18990864356904

Names of 18990864356904

• Cardinal: 18990864356904 can be written as Eighteen trillion, nine hundred ninety billion, eight hundred sixty-four million, three hundred fifty-six thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.8990864356904 × 10¹³

Factors of 18990864356904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 551403

Divisors of 18990864356904

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 23 24 27 33 36 44 46 54 66 69 72 88 92 99 108 132 138 184 198 207 216 253 264 276 297 396 414 506 552 594 621 631 759 792 828 1012 1188 1242 1262 1518 1656 1893 2024 2277 2376 2484 2524 3036 3786 4554 4968 5048 5679 6072 6831 6941 7572 9108 11358 13662 13882 14513 15144 17037 18216 20823 22716 27324 27764 29026 34074 41646 43539 45432 54648 55528 58052 62469 68148 83292 87078 116104 124938 130617 136296 159643 166584 174156 187407 249876 261234 319286 348312 374814 391851 478929 499752 522468 550733 638572 749628 783702 957858 1044936 1101466 1277144 1436787 1499256 1567404 1652199 1915716 2202932 2873574 3134808 3304398 3831432 4310361 4405864 4956597 5747148 6058063 6608796 8620722 9913194 11494296 12116126 12666859 13217592 14869791 17241444 18174189 19826388 24232252 25333718 29739582 34482888 36348378 38000577 39652776 48464504 50667436 54522567 59479164 72696756 76001154 101334872 109045134 114001731 118958328 139335449 145393512 152002308 163567701 218090268 228003462 278670898 304004616 327135402 342005193 347512523 418006347 436180536 456006924 557341796 654270804 684010386 695025046 836012694 912013848 1042537569 1114683592 1254019041 1308541608 1368020772 1390050092 1672025388 2085075138 2508038082 2736041544 2780100184 3127612707 3344050776 3762057123 3822637753 4170150276 5016076164 6255225414 7524114246 7645275506 7992788029 8340300552 9382838121 10032152328 11467913259 12510450828 15048228492 15290551012 15985576058 18765676242 22935826518 23978364087 25020901656 30096456984 30581102024 31971152116 34403739777 37531352484 45871653036 47956728174 63942304232 68807479554 71935092261 75062704968 87920668319 91743306072 95913456348 103211219331 137614959108 143870184522 175841336638 191826912696 206422438662 215805276783 263762004957 275229918216 287740369044 351682673276 412844877324 431610553566 527524009914 575480738088 703365346552 791286014871 825689754648 863221107132 1055048019828 1582572029742 1726442214264 2110096039656 2373858044613 3165144059484 4747716089226 6330288118968 9495432178452 18990864356904
• Sum of all divisors σ(n): 60145439846400
• Sum of proper divisors (its aliquot sum) s(n): 41154575489496
• 18990864356904 is an abundant number, because the sum of its proper divisors (41154575489496) is greater than itself. Its abundance is 22163711132592

Bases of 18990864356904

• Binary: 100010100010110100111101110010101011000101000₂
• Hexadecimal: 0x1145A7B95628
• Base-36: 6QCA6B3U0

Squares and roots of 18990864356904

• 18990864356904 squared (18990864356904²) is 360652929022326777492465216
• 18990864356904 cubed (18990864356904³) is 6849110854983133774702184135957429451264
• The square root of 18990864356904 is 4357850.8874104447
• The cube root of 18990864356904 is 26679.7390357731

Scales and comparisons

• 18,990,864,356,904 seconds is equal to 603,850 years, 38 weeks, 4 days, 19 hours, 8 minutes, 24 seconds.
• To count from 1 to 18,990,864,356,904 would take you about one million, five hundred nine thousand, six hundred twenty-six 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 18990864356904 cubic inches would be around 2223.3 feet tall.

Recreational maths with 18990864356904

• 18990864356904 backwards is 40965346809981
• 18990864356904 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18990864356904's digits is 72
• More coming soon!