681368910720

Names of 681368910720

• Cardinal: 681368910720 can be written as Six hundred eighty-one billion, three hundred sixty-eight million, nine hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.8136891072 × 10¹¹

Factors of 681368910720

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 375

Divisors of 681368910720

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 29 30 32 34 40 41 48 51 58 60 64 68 80 82 85 87 96 97 102 116 120 123 128 136 145 160 164 170 174 181 192 194 204 205 232 240 246 255 272 290 291 320 328 340 348 362 384 388 408 410 435 464 480 485 492 493 510 543 544 580 582 615 640 656 680 696 697 724 776 816 820 870 905 928 960 970 984 986 1020 1086 1088 1160 1164 1189 1230 1312 1360 1392 1394 1448 1455 1479 1552 1632 1640 1649 1740 1810 1856 1920 1940 1968 1972 2040 2091 2172 2176 2320 2328 2378 2460 2465 2624 2715 2720 2784 2788 2813 2896 2910 2958 3077 3104 3264 3280 3298 3480 3485 3567 3620 3712 3880 3936 3944 3977 4080 4182 4344 4640 4656 4756 4920 4930 4947 5248 5249 5430 5440 5568 5576 5626 5792 5820 5916 5945 6154 6208 6528 6560 6596 6960 6970 7134 7240 7395 7421 7760 7872 7888 7954 8160 8245 8364 8439 8688 9231 9280 9312 9512 9840 9860 9894 10455 10498 10860 10880 11136 11152 11252 11584 11640 11832 11890 11931 12308 12416 13120 13192 13920 13940 14065 14268 14480 14790 14842 15385 15520 15744 15747 15776 15908 16320 16490 16728 16878 17376 17557 17835 18462 18560 18624 19024 19680 19720 19788 19885 20213 20910 20996 21720 22263 22304 22504 23168 23280 23664 23780 23862 24616 24735 26240 26245 26384 27840 27880 28130 28536 28960 29580 29684 30770 31040 31494 31552 31816 32640 32980 33456 33756 34752 35114 35670 36924 37105 37248 38048 39360 39440 39576 39770 40426 41820 41992 42195 43440 44526 44608 45008 46155 46560 47328 47560 47724 47821 49232 49470 52490 52671 52768 55680 55760 56260 57072 57920 59160 59368 59655 60639 61540 62080 62988 63104 63632 65960 66912 67512 67609 69504 70228 71340 73848 74210 76096 78720 78735 78880 79152 79540 80852 83640 83984 84390 86880 87785 89052 89216 89233 90016 92310 93120 94656 95120 95448 95642 98464 98940 101065 104980 105342 105536 111315 111520 112520 114144 115333 115840 118320 118736 119310 121278 123080 125976 126157 127264 131920 133824 135024 135218 140456 142680 143463 147696 148420 152192 157470 157760 158304 159080 161704 167280 167968 168780 173760 175570 178104 178466 180032 184620 186240 189312 190240 190896 191284 196928 197880 202130 202827 209960 210684 211072 215209 222630 223040 225040 228288 230666 236640 237472 238620 239105 242556 246160 251952 252314 254528 263355 263840 267648 267699 270048 270436 280912 285360 286926 295392 296840 298469 303195 314940 315520 316608 318160 323408 334560 335936 337560 338045 345999 347520 351140 356208 356932 360064 369240 378471 380480 381792 382568 393856 395760 404260 405654 419920 421368 430418 445260 446080 446165 450080 456576 461332 473280 474944 477240 478210 485112 492320 503904 504628 509056 509153 526710 527680 535398 540096 540872 561824 570720 573852 576665 590784 593680 596938 606390 629880 630785 633216 636320 645627 646816 669120 671872 675120 676090 691998 702280 712416 713864 717315 719837 738480 756942 760960 763584 765136 791520 808520 811308 839840 842736 860836 890520 892330 895407 900160 922664 946560 949888 954480 956420 970224 984640 1007808 1009256 1014135 1018306 1053420 1055360 1070796 1076045 1080192 1081744 1123648 1141440 1147704 1153330 1181568 1187360 1193876 1212780 1259760 1261570 1272640 1291254 1293632 1338240 1338495 1350240 1352180 1383996 1404560 1424832 1427728 1434630 1439674 1476960 1492345 1513884 1527168 1527459 1530272 1583040 1617040 1622616 1679680 1685472 1721672 1729995 1781040 1784660 1790814 1800320 1845328 1892355 1908960 1912840 1940448 1960661 1969280 2015616 2018512 2028270 2036612 2106840 2141592 2152090 2159511 2163488 2247296 2282880 2295408 2306660 2374720 2387752 2425560 2519520 2523140 2545280 2545765 2582508 2587264 2676990 2700480 2704360 2767992 2809120 2849664 2855456 2869260 2879348 2953920 2984690 3027768 3054918 3060544 3166080 3228135 3234080 3245232 3359360 3370944 3443344 3459990 3562080 3569320 3581628 3599185 3658553 3690656 3784710 3817920 3825680 3880896 3921322 4037024 4056540 4073224 4213680 4283184 4304180 4319022 4326976 4477035 4590816 4613320 4749440 4775504 4851120 5039040 5046280 5091530 5165016 5353980 5400960 5408720 5535984 5618240 5710912 5738520 5758696 5881983 5907840 5969380 6055536 6109836 6121088 6456270 6468160 6490464 6741888 6886688 6919980 7124160 7138640 7163256 7198370 7317106 7381312 7569420 7635840 7637295 7651360 7761792 7842644 8074048 8113080 8146448 8427360 8566368 8608360 8638044 8653952 8655601 8954070 9181632 9226640 9551008 9702240 9803305 10078080 10092560 10183060 10330032 10707960 10797555 10817440 10975659 11071968 11236480 11421824 11477040 11517392 11763966 11938760 12111072 12219672 12237229 12912540 12936320 12980928 13773376 13839960 14248320 14277280 14326512 14396740 14634212 14762624 15138840 15274590 15302720 15685288 16148096 16226160 16292896 16854720 17132736 17216720 17276088 17311202 17908140 18292765 18363264 18453280 19102016 19404480 19606610 20185120 20366120 20660064 20875273 21415920 21595110 21634880 21951318 22143936 22954080 23034784 23527932 23877520 24222144 24439344 24474458 25825080 25961856 25966803 27546752 27679920 28554560 28653024 28793480 29268424 29409915 30277680 30549180 30605440 31370576 32452320 32585792 33709440 34265472 34433440 34552176 34622404 35816280 36585530 36711687 36906560 38204032 38808960 39213220 40370240 40732240 41320128 41750546 42831840 43190220 43269760 43278005 43902636 44287872 45908160 46069568 47055864 47755040 48444288 48878688 48948916 51650160 51933606 54878295 55359840 57109120 57306048 57586960 58536848 58819830 60555360 61098360 61186145 62625819 62741152 64904640 65171584 68866880 69104352 69244808 71632560 73171060 73423374 73813120 78426440 80740480 81464480 82640256 83501092 85663680 86380440 86556010 87805272 91816320 92139136 94111728 95510080 97757376 97897832 103300320 103867212 104376365 109756590 110719680 114612096 115173920 117073696 117639660 121110720 122196720 122372290 125251638 125482304 129809280 129834015 137733760 138208704 138489616 143265120 146342120 146846748 156852880 162928960 167002184 171327360 172760880 173112020 175610544 183558435 188223456 191020160 195514752 195795664 206600640 207734424 208752730 219513180 221439360 230347840 234147392 235279320 242221440 244393440 244744580 250503276 250964608 259668030 276417408 276979232 286530240 292684240 293693496 313129095 313705760 325857920 334004368 345521760 346224040 351221088 354879641 367116870 376446912 391591328 413201280 415468848 417505460 439026360 460695680 468294784 470558640 488786880 489489160 501006552 519336060 553958464 573060480 585368480 587386992 626258190 627411520 668008736 691043520 692448080 702442176 709759282 734233740 752893824 783182656 830937696 835010920 878052720 941117280 977573760 978978320 1002013104 1038672120 1064638923 1107916928 1170736960 1174773984 1252516380 1254823040 1336017472 1382087040 1384896160 1404884352 1419518564 1468467480 1566365312 1661875392 1670021840 1756105440 1774398205 1882234560 1957956640 2004026208 2077344240 2129277846 2341473920 2349547968 2505032760 2672034944 2769792320 2839037128 2936934960 3323750784 3340043680 3512210880 3548796410 3764469120 3915913280 4008052416 4154688480 4258555692 4699095936 5010065520 5323194615 5539584640 5678074256 5873869920 6680087360 7024421760 7097592820 7831826560 8016104832 8309376960 8517111384 10020131040 10646389230 11356148512 11747739840 13360174720 14195185640 16618753920 17034222768 20040262080 21292778460 22712297024 23495479680 28390371280 34068445536 40080524160 42585556920 45424594048 56780742560 68136891072 85171113840 113561485120 136273782144 170342227680 227122970240 340684455360 681368910720
• Sum of all divisors σ(n): 2475665337600
• Sum of proper divisors (its aliquot sum) s(n): 1794296426880
• 681368910720 is an abundant number, because the sum of its proper divisors (1794296426880) is greater than itself. Its abundance is 1112927516160

Bases of 681368910720

• Binary: 1001111010100100110000000111101110000000₂
• Hexadecimal: 0x9EA4C07B80
• Base-36: 8P0LGGAO

Squares and roots of 681368910720

• 681368910720 squared (681368910720²) is 464263592495759330918400
• 681368910720 cubed (681368910720³) is 316334778305789501527146225205248000
• The square root of 681368910720 is 825450.7318550269
• The cube root of 681368910720 is 8799.5562393307

Scales and comparisons

• 681,368,910,720 seconds is equal to 21,665 years, 22 weeks, 5 hours, 52 minutes.
• To count from 1 to 681,368,910,720 would take you about forty-three thousand, three hundred thirty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 681368910720 cubic inches would be around 733.3 feet tall.

Recreational maths with 681368910720

• 681368910720 backwards is 027019863186
• 681368910720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 681368910720's digits is 51
• More coming soon!