138521705472

Names of 138521705472

• Cardinal: 138521705472 can be written as One hundred thirty-eight billion, five hundred twenty-one million, seven hundred five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.38521705472 × 10¹¹

Factors of 138521705472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 3222

Divisors of 138521705472

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 31 32 34 36 48 51 54 62 64 68 72 81 93 96 102 108 124 128 136 144 153 162 186 192 204 216 248 256 272 279 288 306 324 372 384 408 432 459 496 512 527 544 558 576 612 648 744 768 816 837 864 918 992 1024 1054 1088 1116 1152 1224 1296 1377 1488 1536 1581 1632 1674 1728 1836 1984 2108 2176 2232 2304 2448 2511 2592 2754 2976 3072 3162 3169 3264 3348 3456 3672 3968 4216 4352 4464 4608 4743 4896 5022 5184 5508 5952 6324 6338 6528 6696 6912 7344 7936 8432 8704 8928 9216 9486 9507 9792 10044 10368 11016 11904 12648 12676 13056 13392 13824 14229 14688 15872 16864 17408 17856 18972 19014 19584 20088 20736 22032 23808 25296 25352 26112 26784 27648 28458 28521 29376 31744 33728 35712 37944 38028 39168 40176 41472 42687 44064 47616 50592 50704 52224 53568 53873 56916 57042 58752 67456 71424 75888 76056 78336 80352 82944 85374 85563 88128 95232 98239 101184 101408 107136 107746 113832 114084 117504 134912 142848 151776 152112 156672 160704 161619 170748 171126 176256 196478 202368 202816 214272 215492 227664 228168 235008 256689 269824 285696 294717 303552 304224 321408 323238 341496 342252 352512 392956 404736 405632 428544 430984 455328 456336 470016 484857 513378 539648 589434 607104 608448 642816 646476 682992 684504 705024 785912 809472 811264 857088 861968 884151 910656 912672 969714 1026756 1178868 1214208 1216896 1285632 1292952 1365984 1369008 1410048 1454571 1571824 1618944 1622528 1670063 1723936 1768302 1821312 1825344 1939428 2053512 2357736 2428416 2433792 2571264 2585904 2652453 2731968 2738016 2909142 3143648 3245056 3340126 3447872 3536604 3642624 3650688 3878856 4107024 4363713 4715472 4856832 4867584 5010189 5171808 5304906 5463936 5476032 5818284 6287296 6680252 6895744 7073208 7285248 7301376 7757712 7957359 8214048 8727426 9430944 9735168 10020378 10343616 10609812 10927872 10952064 11636568 12574592 13360504 13791488 14146416 14570496 14602752 15030567 15515424 15914718 16428096 17454852 18861888 20040756 20687232 21219624 21855744 21904128 23273136 25149184 26721008 27582976 28292832 29205504 30061134 31030848 31829436 32856192 34909704 37723776 40081512 41374464 42439248 43711488 43808256 45091701 46546272 50298368 53442016 55165952 56585664 60122268 62061696 63658872 65712384 69819408 75447552 80163024 82748928 84878496 87616512 90183402 93092544 100596736 106884032 113171328 120244536 124123392 127317744 131424768 135275103 139638816 150895104 160326048 165497856 169756992 180366804 186185088 213768064 226342656 240489072 248246784 254635488 262849536 270550206 279277632 301790208 320652096 339513984 360733608 372370176 427536128 452685312 480978144 496493568 509270976 541100412 558555264 641304192 679027968 721467216 744740352 855072256 905370624 961956288 1018541952 1082200824 1117110528 1282608384 1358055936 1442934432 1489480704 1710144512 1923912576 2037083904 2164401648 2234221056 2565216768 2716111872 2885868864 3847825152 4074167808 4328803296 4468442112 5130433536 5771737728 7695650304 8148335616 8657606592 11543475456 15391300608 17315213184 23086950912 34630426368 46173901824 69260852736 138521705472
• Sum of all divisors σ(n): 452256647040
• Sum of proper divisors (its aliquot sum) s(n): 313734941568
• 138521705472 is an abundant number, because the sum of its proper divisors (313734941568) is greater than itself. Its abundance is 175213236096

Bases of 138521705472

• Binary: 10000001000000100010010111110000000000₂
• Hexadecimal: 0x2040897C00
• Base-36: 1RMW8W00

Squares and roots of 138521705472

• 138521705472 squared (138521705472²) is 19188262886871514742784
• 138521705472 cubed (138521705472³) is 2657990900134524420706431085314048
• The square root of 138521705472 is 372185.0419777775
• The cube root of 138521705472 is 5174.1531186315

Scales and comparisons

• 138,521,705,472 seconds is equal to 4,404 years, 29 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,521,705,472 would take you about eight thousand, eight hundred nine 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 138521705472 cubic inches would be around 431.2 feet tall.

Recreational maths with 138521705472

• 138521705472 backwards is 274507125831
• The number of decimal digits it has is: 12
• The sum of 138521705472's digits is 45
• More coming soon!