129978365731840

Names of 129978365731840

• Cardinal: 129978365731840 can be written as One hundred twenty-nine trillion, nine hundred seventy-eight billion, three hundred sixty-five million, seven hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2997836573184 × 10¹⁴

Factors of 129978365731840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 911

Divisors of 129978365731840

• Number of divisors d(n): 704
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 41 64 68 80 82 85 128 136 160 164 170 193 205 256 272 289 320 328 340 386 410 512 544 578 640 653 656 680 697 772 820 965 1024 1088 1156 1280 1306 1312 1360 1394 1445 1544 1640 1930 2176 2312 2560 2612 2624 2720 2788 2890 3088 3265 3280 3281 3485 3860 4352 4624 4913 5120 5224 5248 5440 5576 5780 6176 6530 6560 6562 6970 7720 7913 8704 9248 9826 10448 10496 10880 11101 11152 11560 11849 12352 13060 13120 13124 13940 15440 15826 16405 17408 18496 19652 20896 20992 21760 22202 22304 23120 23698 24565 24704 26120 26240 26248 26773 27880 30880 31652 32810 36992 39304 39565 41792 41984 43520 44404 44608 46240 47396 49130 49408 52240 52480 52496 53546 55505 55760 55777 59245 61760 63304 65620 73984 78608 79130 83584 87040 88808 89216 92480 94792 98260 98816 104480 104960 104992 107092 111010 111520 111554 118490 123520 126029 126608 131240 133865 134521 147968 157216 158260 167168 177616 178432 184960 188717 189584 196520 197632 201433 208960 209920 209984 214184 222020 223040 223108 236980 247040 252058 253216 262480 267730 269042 278885 295936 314432 316520 334336 355232 356864 369920 377434 379168 393040 402866 417920 419968 428368 444040 446080 446216 455141 473960 494080 504116 506432 524960 535460 538084 557770 628864 630145 633040 668672 672605 710464 713728 739840 754868 758336 786080 805732 835840 839936 856736 888080 892160 892432 910282 943585 947920 948209 988160 1007165 1008232 1012864 1049920 1070920 1076168 1115540 1257728 1260290 1266080 1345210 1420928 1479680 1509736 1516672 1572160 1611464 1671680 1679872 1713472 1776160 1784320 1784864 1820564 1887170 1895840 1896418 2014330 2016464 2025728 2099840 2141840 2142493 2152336 2231080 2275705 2286857 2515456 2520580 2532160 2690420 2841856 3019472 3033344 3144320 3208189 3222928 3343360 3359744 3426944 3552320 3568640 3569728 3641128 3774340 3791680 3792836 4028660 4032928 4051456 4199680 4283680 4284986 4304672 4462160 4551410 4573714 4741045 5030912 5041160 5064320 5167189 5380840 5683712 6038944 6066688 6288640 6416378 6445856 6853888 7104640 7139456 7282256 7548680 7583360 7585672 7737397 8057320 8065856 8102912 8399360 8567360 8569972 8609344 8924320 9102820 9147428 9482090 10082320 10128640 10334378 10712465 10761680 11367424 11434285 12077888 12133376 12577280 12832756 12891712 13707776 14209280 14278912 14564512 15097360 15166720 15171344 15474794 16040945 16114640 16131712 16798720 17134720 17139944 17218688 17848640 18205640 18294856 18964180 20164640 20257280 20668756 21424930 21523360 22868570 24155776 25154560 25665512 25783424 25835945 27415552 28418560 28557824 29129024 30194720 30333440 30342688 30949588 32081890 32229280 32263424 34269440 34279888 34437376 35697280 36411280 36422381 36589712 37928360 38686985 38876569 40329280 40514560 41337512 42849860 43046720 45737140 48311552 51331024 51566848 51671890 56837120 57115648 58258048 60389440 60666880 60685376 61899176 64163780 64458560 64526848 68538880 68559776 68874752 71394560 72822560 72844762 73179424 75856720 77373970 77753138 80658560 82675024 85699720 86093440 87842213 91474280 96623104 102662048 103133696 103343780 116516096 120778880 121370752 123798352 128327560 128917120 129053696 131535749 137077760 137119552 137749504 142789120 145645120 145689524 146358848 151713440 154747940 155506276 161317120 165350048 171399440 172186880 175684426 182111905 182948560 193246208 194382845 205324096 206267392 206687560 233032192 241557760 242741504 247596704 256655120 257834240 263071498 274239104 285578240 291290240 291379048 292717696 303426880 309495880 311012552 322634240 330700096 342798880 344373760 351368852 364223810 365897120 388765690 410648192 413375120 439211065 466064384 483115520 485483008 495193408 513310240 515668480 526142996 548478208 582580480 582758096 585435392 606853760 618991760 619180477 622025104 645268480 657678745 661400192 685597760 688747520 702737704 728447620 731794240 777531380 821296384 826750240 878422130 966231040 970966016 990386816 1026620480 1031336960 1052285992 1096956416 1165160960 1165516192 1170870784 1213707520 1237983520 1238360954 1244050208 1315357490 1322800384 1371195520 1405475408 1456895240 1463588480 1493317621 1555062760 1642592768 1653500480 1756844260 1980773632 2053240960 2104571984 2193912832 2330321920 2331032384 2341741568 2427415040 2475967040 2476721908 2488100416 2630714980 2645600768 2742391040 2810950816 2913790480 2927176960 2986635242 3095902385 3110125520 3285185536 3307000960 3513688520 3961547264 4106481920 4209143968 4662064768 4854830080 4951934080 4953443816 4976200832 5261429960 5291201536 5484782080 5621901632 5827580960 5854353920 5973270484 6191804770 6220251040 6614001920 7027377040 7466588105 7923094528 8212963840 8418287936 9324129536 9903868160 9906887632 9952401664 10522859920 10969564160 11243803264 11655161920 11708707840 11946540968 12383609540 12440502080 13228003840 14054754080 14933176210 16425927680 16836575872 18648259072 19807736320 19813775264 19904803328 21045719840 22487606528 23310323840 23893081936 24767219080 24881004160 25386399557 26456007680 28109508160 29866352420 33673151744 37296518144 39615472640 39627550528 39809606656 42091439680 44975213056 46620647680 47786163872 49534438160 49762008320 50772799114 56219016320 59732704840 67346303488 79255101056 84182879360 89950426112 93241295360 95572327744 99068876320 99524016640 101545598228 112438032640 119465409680 126931997785 134692606976 158510202112 168365758720 186482590720 191144655488 198137752640 199048033280 203091196456 224876065280 238930819360 253863995570 317020404224 336731517440 382289310976 396275505280 406182392912 449752130560 477861638720 507727991140 634040808448 673463034880 764578621952 792551010560 812364785824 955723277440 1015455982280 1529157243904 1585102021120 1624729571648 1911446554880 2030911964560 3170204042240 3249459143296 3822893109760 4061823929120 6498918286592 7645786219520 8123647858240 12997836573184 16247295716480 25995673146368 32494591432960 64989182865920 129978365731840
• Sum of all divisors σ(n): 341639725855680
• Sum of proper divisors (its aliquot sum) s(n): 211661360123840
• 129978365731840 is an abundant number, because the sum of its proper divisors (211661360123840) is greater than itself. Its abundance is 81682994392000

Bases of 129978365731840

• Binary: 11101100011011011110010010100010110010000000000₂
• Hexadecimal: 0x7636F2516400
• Base-36: 1A2N8J0J5S

Squares and roots of 129978365731840

• 129978365731840 squared (129978365731840²) is 16894375558319958818789785600
• 129978365731840 cubed (129978365731840³) is 2195903325130370202734506272931660693504000
• The square root of 129978365731840 is 11400805.4860979011
• The cube root of 129978365731840 is 50655.1599117469

Scales and comparisons

• 129,978,365,731,840 seconds is equal to 4,132,909 years, 51 weeks, 10 minutes, 40 seconds.
• To count from 1 to 129,978,365,731,840 would take you about ten million, three hundred thirty-two thousand, two hundred seventy-four 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 129978365731840 cubic inches would be around 4221.3 feet tall.

Recreational maths with 129978365731840

• 129978365731840 backwards is 048137563879921
• The number of decimal digits it has is: 15
• The sum of 129978365731840's digits is 73
• More coming soon!