68121181440

Names of 68121181440

• Cardinal: 68121181440 can be written as Sixty-eight billion, one hundred twenty-one million, one hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.812118144 × 10¹⁰

Factors of 68121181440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1031

Divisors of 68121181440

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 32 34 36 39 40 45 48 51 52 54 60 64 65 68 72 78 80 81 85 90 96 102 104 108 117 120 128 130 135 136 144 153 156 160 162 170 180 192 195 204 208 216 221 234 240 243 255 256 260 270 272 288 306 312 320 324 340 351 360 384 390 405 408 416 432 442 459 468 480 486 510 520 540 544 576 585 612 624 640 648 663 680 702 720 765 768 780 810 816 832 864 884 918 936 960 972 991 1020 1040 1053 1080 1088 1105 1152 1170 1215 1224 1248 1280 1296 1326 1360 1377 1404 1440 1530 1560 1620 1632 1664 1728 1755 1768 1836 1872 1920 1944 1982 1989 2040 2080 2106 2160 2176 2210 2295 2304 2340 2430 2448 2496 2592 2652 2720 2754 2808 2880 2973 3060 3120 3159 3240 3264 3315 3328 3456 3510 3536 3672 3744 3840 3888 3964 3978 4080 4131 4160 4212 4320 4352 4420 4590 4680 4860 4896 4955 4992 5184 5265 5304 5440 5508 5616 5760 5946 5967 6120 6240 6318 6480 6528 6630 6885 6912 7020 7072 7344 7488 7776 7928 7956 8160 8262 8320 8424 8640 8840 8919 9180 9360 9720 9792 9910 9945 9984 10368 10530 10608 10880 11016 11232 11520 11892 11934 12240 12480 12636 12883 12960 13056 13260 13770 14040 14144 14688 14865 14976 15552 15795 15856 15912 16320 16524 16640 16847 16848 17280 17680 17838 17901 18360 18720 19440 19584 19820 19890 20655 20736 21060 21216 21760 22032 22464 23784 23868 24480 24960 25272 25766 25920 26520 26757 27540 28080 28288 29376 29730 29835 29952 31104 31590 31712 31824 32640 33048 33694 33696 34560 35360 35676 35802 36720 37440 38649 38880 39168 39640 39780 41310 42120 42432 44064 44595 44928 47568 47736 48960 49920 50541 50544 51532 51840 53040 53514 53703 55080 56160 56576 58752 59460 59670 62208 63180 63424 63648 64415 65280 66096 67388 67392 70720 71352 71604 73440 74880 77298 77760 79280 79560 80271 82620 84235 84240 84864 88128 89190 89505 89856 95136 95472 97920 101082 101088 103064 103680 106080 107028 107406 110160 112320 115947 117504 118920 119340 126360 126848 127296 128830 132192 133785 134776 134784 141440 142704 143208 146880 149760 151623 154596 155520 158560 159120 160542 165240 168470 168480 169728 176256 178380 179010 190272 190944 193245 195840 202164 202176 206128 212160 214056 214812 219011 220320 224640 231894 237840 238680 240813 252705 252720 253696 254592 257660 264384 267570 268515 269552 269568 282880 285408 286416 293760 303246 309192 311040 317120 318240 321084 330480 336940 336960 347841 352512 356760 358020 380544 381888 386490 401355 404328 404352 412256 424320 428112 429624 438022 440640 449280 454869 463788 475680 477360 481626 505410 505440 509184 515320 528768 535140 537030 539104 570816 572832 579735 587520 606492 618384 634240 636480 642168 657033 660960 673880 673920 695682 713520 716040 758115 761088 763776 772980 802710 808656 808704 824512 848640 856224 859248 876044 881280 909738 927576 951360 954720 963252 1010820 1010880 1030640 1043523 1057536 1070280 1074060 1078208 1095055 1141632 1145664 1159470 1204065 1212984 1236768 1268480 1272960 1284336 1314066 1321920 1347760 1347840 1364607 1391364 1427040 1432080 1516230 1527552 1545960 1605420 1617312 1649024 1712448 1718496 1739205 1752088 1762560 1819476 1855152 1902720 1909440 1926504 1971099 2021640 2021760 2061280 2087046 2140560 2148120 2156416 2190110 2274345 2283264 2291328 2318940 2408130 2425968 2473536 2545920 2568672 2628132 2643840 2695520 2729214 2782728 2854080 2864160 3032460 3091920 3130569 3210840 3234624 3285165 3298048 3424896 3436992 3478410 3504176 3638952 3710304 3805440 3818880 3853008 3942198 4043280 4043520 4093821 4122560 4174092 4281120 4296240 4312832 4380220 4548690 4582656 4637880 4816260 4851936 4947072 5137344 5217615 5256264 5287680 5391040 5458428 5565456 5708160 5728320 5913297 6064920 6183840 6261138 6421680 6469248 6570330 6823035 6849792 6873984 6956820 7008352 7277904 7420608 7637760 7706016 7884396 8086560 8187642 8245120 8348184 8562240 8592480 8760440 9097380 9275760 9632520 9703872 9855495 9894144 10274688 10435230 10512528 10782080 10916856 11130912 11416320 11456640 11826594 12129840 12367680 12522276 12843360 12938496 13140660 13646070 13747968 13913640 14016704 14555808 14841216 15412032 15652845 15768792 16173120 16375284 16490240 16696368 17124480 17184960 17520880 17739891 18194760 18551520 19265040 19407744 19710990 20469105 20549376 20870460 21025056 21564160 21833712 22261824 22913280 23653188 24259680 24735360 25044552 25686720 26281320 27292140 27827280 28033408 29111616 29566485 29682432 30824064 31305690 31537584 32346240 32750568 33392736 34248960 34369920 35041760 35479782 36389520 37103040 38530080 38815488 39421980 40938210 41740920 42050112 43667424 44523648 47306376 48519360 49470720 50089104 51373440 52562640 53219673 54584280 55654560 56066816 58223232 59132970 61648128 62611380 63075168 64692480 65501136 66785472 68739840 70083520 70959564 72779040 74206080 77060160 78843960 81876420 83481840 84100224 87334848 88699455 89047296 94612752 97038720 100178208 102746880 105125280 106439346 109168560 111309120 116446464 118265940 125222760 126150336 131002272 133570944 140167040 141919128 145558080 148412160 154120320 157687920 163752840 166963680 168200448 174669696 177398910 189225504 194077440 200356416 210250560 212878692 218337120 222618240 236531880 250445520 252300672 262004544 266098365 267141888 280334080 283838256 291116160 308240640 315375840 327505680 333927360 349339392 354797820 378451008 400712832 420501120 425757384 436674240 445236480 473063760 500891040 504601344 524009088 532196730 567676512 582232320 630751680 655011360 667854720 709595640 756902016 801425664 841002240 851514768 873348480 946127520 1001782080 1048018176 1064393460 1135353024 1261503360 1310022720 1335709440 1419191280 1513804032 1703029536 1746696960 1892255040 2003564160 2128786920 2270706048 2523006720 2620045440 2838382560 3406059072 3784510080 4007128320 4257573840 4541412096 5240090880 5676765120 6812118144 7569020160 8515147680 11353530240 13624236288 17030295360 22707060480 34060590720 68121181440
• Sum of all divisors σ(n): 278988143616
• Sum of proper divisors (its aliquot sum) s(n): 210866962176
• 68121181440 is an abundant number, because the sum of its proper divisors (210866962176) is greater than itself. Its abundance is 142745780736

Bases of 68121181440

• Binary: 111111011100010101101011110100000000₂
• Hexadecimal: 0xFDC56BD00
• Base-36: VALLC00

Squares and roots of 68121181440

• 68121181440 squared (68121181440²) is 4640495360781400473600
• 68121181440 cubed (68121181440³) is 316116026443268041839407529984000
• The square root of 68121181440 is 261000.3475859755
• The cube root of 68121181440 is 4084.0782750321

Scales and comparisons

• 68,121,181,440 seconds is equal to 2,166 years, 2 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 68,121,181,440 would take you about four thousand, three hundred thirty-two 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 68121181440 cubic inches would be around 340.3 feet tall.

Recreational maths with 68121181440

• 68121181440 backwards is 04418112186
• 68121181440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68121181440's digits is 36
• More coming soon!