138068721072

Names of 138068721072

• Cardinal: 138068721072 can be written as One hundred thirty-eight billion, sixty-eight million, seven hundred twenty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.38068721072 × 10¹¹

Factors of 138068721072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 683

Divisors of 138068721072

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 36 37 48 54 62 72 74 81 93 108 111 124 144 148 162 186 216 222 248 279 293 296 317 324 333 372 432 444 496 558 586 592 634 648 666 744 837 879 888 951 999 1116 1147 1172 1268 1296 1332 1488 1674 1758 1776 1902 1998 2232 2294 2344 2511 2536 2637 2664 2853 2997 3348 3441 3516 3804 3996 4464 4588 4688 5022 5072 5274 5328 5706 5994 6696 6882 7032 7608 7911 7992 8559 9083 9176 9827 10044 10323 10548 10841 11412 11729 11988 13392 13764 14064 15216 15822 15984 17118 18166 18352 19654 20088 20646 21096 21682 22824 23458 23733 23976 25677 27249 27528 29481 30969 31644 32523 34236 35187 36332 39308 40176 41292 42192 43364 45648 46916 47466 47952 51354 54498 55056 58962 61938 63288 65046 68472 70374 72664 78616 81747 82584 86728 88443 92881 92907 93832 94932 97569 102708 105561 108996 117924 123876 126576 130092 136944 140748 145328 157232 163494 165168 173456 176886 185762 185814 187664 189864 195138 205416 211122 217992 235848 245241 247752 260184 265329 278643 281496 292707 316683 326988 336071 353772 363599 371524 371628 379728 390276 410832 422244 435984 471696 490482 495504 520368 530658 557286 562992 585414 633366 653976 672142 707544 727198 735723 743048 743256 780552 795987 835929 844488 878121 950049 980964 1008213 1061316 1090797 1114572 1170828 1266732 1307952 1344284 1415088 1454396 1471446 1486096 1486512 1561104 1591974 1671858 1688976 1756242 1900098 1961928 2016426 2122632 2181594 2229144 2341656 2507787 2533464 2688568 2879311 2908792 2942892 3024639 3183948 3272391 3343716 3436597 3512484 3800196 3923856 4032852 4245264 4363188 4458288 4683312 5015574 5066928 5377136 5758622 5817584 5885784 6049278 6367896 6544782 6687432 6873194 7024968 7523361 7600392 8065704 8637933 8726376 9073917 9817173 10031148 10309791 11517244 11771568 12098556 12735792 13089564 13374864 13746388 14049936 15046722 15200784 16131408 17275866 17452752 18147834 19634346 20062296 20619582 23034488 24197112 25913799 26179128 27221751 27492776 29451519 30093444 30929373 34551732 36295668 39268692 40124592 41239164 46068976 48394224 51827598 52358256 54443502 54985552 58903038 60186888 61858746 69103464 72591336 77741397 78537384 82478328 92788119 103655196 106534507 108887004 117806076 120373776 123717492 138206928 145182672 155482794 157074768 164956656 185576238 207310392 213069014 217774008 233224191 235612152 247434984 278364357 310965588 319603521 371152476 414620784 426138028 435548016 466448382 471224304 494869968 556728714 621931176 639207042 742304952 852276056 932896764 958810563 1113457428 1243862352 1278414084 1484609904 1704552112 1865793528 1917621126 2226914856 2556828168 2876431689 3731587056 3835242252 4453829712 5113656336 5752863378 7670484504 8629295067 11505726756 15340969008 17258590134 23011453512 34517180268 46022907024 69034360536 138068721072
• Sum of all divisors σ(n): 426437206272
• Sum of proper divisors (its aliquot sum) s(n): 288368485200
• 138068721072 is an abundant number, because the sum of its proper divisors (288368485200) is greater than itself. Its abundance is 150299764128

Bases of 138068721072

• Binary: 10000000100101100010010111110110110000₂
• Hexadecimal: 0x2025897DB0
• Base-36: 1RFEJV00

Squares and roots of 138068721072

• 138068721072 squared (138068721072²) is 19062971738457736829184
• 138068721072 cubed (138068721072³) is 2632000127760540201728987405365248
• The square root of 138068721072 is 371575.9963614443
• The cube root of 138068721072 is 5168.5069032433

Scales and comparisons

• 138,068,721,072 seconds is equal to 4,390 years, 8 weeks, 1 day, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,068,721,072 would take you about eight thousand, seven hundred eighty 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 138068721072 cubic inches would be around 430.7 feet tall.

Recreational maths with 138068721072

• 138068721072 backwards is 270127860831
• The number of decimal digits it has is: 12
• The sum of 138068721072's digits is 45
• More coming soon!