138718614645

Names of 138718614645

• Cardinal: 138718614645 can be written as One hundred thirty-eight billion, seven hundred eighteen million, six hundred fourteen thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.38718614645 × 10¹¹

Factors of 138718614645

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 114

Divisors of 138718614645

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 5 9 13 15 23 29 39 41 45 65 69 87 115 117 123 145 169 195 205 207 261 299 345 369 377 435 507 529 533 585 615 667 841 845 897 943 1035 1131 1189 1305 1495 1521 1587 1599 1845 1885 2001 2523 2535 2645 2665 2691 2829 3335 3393 3567 3887 4205 4485 4715 4761 4797 4901 5655 5945 6003 6877 6929 7569 7605 7935 7995 8487 8671 10005 10701 10933 11661 12259 12615 13455 14145 14703 15341 15457 16965 17835 19343 19435 20631 20787 21689 23805 23985 24505 26013 27347 30015 32799 34385 34481 34645 34983 36777 37845 42435 43355 44109 46023 46371 53505 54665 58029 58305 61295 61893 62361 65067 73515 76705 77285 78039 82041 89401 96715 98397 103155 103443 103935 108445 110331 112723 130065 136735 138069 139113 142129 159367 163995 172405 174087 174915 183885 195201 199433 200941 220545 230115 231855 246123 251459 268203 281957 290145 309465 310329 311805 325335 338169 355511 390195 410205 426387 444889 447005 448253 478101 491985 517215 551655 563615 598299 602823 628981 690345 695565 710645 754377 793063 796835 804609 845871 870435 976005 997165 1004705 1014507 1066533 1230615 1257295 1279161 1334667 1341015 1344759 1409785 1434303 1551645 1690845 1777555 1794897 1808469 1886943 2131935 2224445 2241265 2263131 2379189 2390505 2537613 2592629 2991495 3014115 3144905 3199599 3268967 3665441 3771885 3965315 4004001 4023045 4034277 4229355 4621643 5072535 5332665 5660829 5783557 5827289 6395805 6673335 6723795 7137567 7171515 7777887 8176753 8974485 9042345 9434715 9806901 10309819 10996323 11315655 11895945 12688065 12963145 13864929 15997995 16344835 17350671 17481867 18240449 18327205 20020005 20171385 23108215 23333661 24530259 28304145 28917785 29136445 29420703 30929457 32988969 35687835 38889435 40883765 41594787 49034505 51549095 52052013 52445601 54721347 54981615 69324645 73590777 75186241 86753355 87409335 91202245 92788371 106297789 116668305 122651295 134027647 147103515 154647285 164164041 164944845 207973935 225558723 237125837 260260065 262228005 273606735 318893367 367953885 375931205 402082941 463941855 531488945 670138235 676676169 711377511 820820205 956680101 1127793615 1185629185 1206248823 1594466835 2010414705 2134132533 3082635881 3383380845 3556887555 4783400505 6031244115 9247907643 10670662665 15413179405 27743722929 46239538215 138718614645
• Sum of all divisors σ(n): 288760821804
• Sum of proper divisors (its aliquot sum) s(n): 150042207159
• 138718614645 is an abundant number, because the sum of its proper divisors (150042207159) is greater than itself. Its abundance is 11323592514

Bases of 138718614645

• Binary: 10000001001100010001100001010001110101₂
• Hexadecimal: 0x204C461475
• Base-36: 1RQ5HC39

Squares and roots of 138718614645

• 138718614645 squared (138718614645²) is 19242854049028008476025
• 138718614645 cubed (138718614645³) is 2669342055497094244597505696386125
• The square root of 138718614645 is 372449.4793190077
• The cube root of 138718614645 is 5176.6036511505

Scales and comparisons

• 138,718,614,645 seconds is equal to 4,410 years, 42 weeks, 5 days, 12 hours, 30 minutes, 45 seconds.
• To count from 1 to 138,718,614,645 would take you about eight thousand, eight hundred twenty-one 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 138718614645 cubic inches would be around 431.4 feet tall.

Recreational maths with 138718614645

• 138718614645 backwards is 546416817831
• The number of decimal digits it has is: 12
• The sum of 138718614645's digits is 54
• More coming soon!