1989142391808

Names of 1989142391808

• Cardinal: 1989142391808 can be written as One trillion, nine hundred eighty-nine billion, one hundred forty-two million, three hundred ninety-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.989142391808 × 10¹²

Factors of 1989142391808

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 198

Divisors of 1989142391808

• Number of divisors d(n): 1584
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 19 22 24 26 32 33 36 37 38 39 44 48 52 57 64 66 72 74 76 78 88 96 99 104 111 113 114 117 128 132 143 144 148 152 156 171 176 192 198 208 209 222 226 228 234 247 256 264 286 288 296 304 312 333 339 342 352 361 384 396 407 416 418 429 444 452 456 468 481 494 512 528 572 576 592 608 624 627 666 678 684 703 704 722 741 768 792 814 832 836 858 888 904 912 936 962 988 1017 1024 1056 1083 1144 1152 1184 1216 1221 1243 1248 1254 1287 1332 1356 1368 1406 1408 1443 1444 1469 1482 1536 1584 1628 1664 1672 1716 1776 1808 1824 1872 1881 1924 1976 2034 2109 2112 2147 2166 2223 2288 2304 2368 2432 2442 2486 2496 2508 2574 2664 2712 2717 2736 2812 2816 2886 2888 2938 2964 3072 3168 3249 3256 3328 3344 3432 3552 3616 3648 3663 3729 3744 3762 3848 3952 3971 4068 4181 4218 4224 4294 4329 4332 4407 4446 4576 4608 4693 4736 4864 4884 4972 4992 5016 5148 5291 5328 5424 5434 5472 5624 5632 5772 5776 5876 5928 6327 6336 6441 6498 6512 6656 6688 6864 7104 7232 7296 7326 7458 7488 7524 7696 7733 7904 7942 8136 8151 8362 8436 8448 8588 8658 8664 8814 8892 9139 9152 9216 9386 9472 9728 9768 9944 9984 10032 10296 10582 10656 10848 10868 10944 11187 11248 11264 11544 11552 11752 11856 11913 12543 12654 12672 12882 12996 13024 13221 13312 13357 13376 13728 14079 14208 14464 14592 14652 14916 14976 15048 15392 15466 15808 15873 15884 16159 16272 16302 16724 16872 16896 17176 17316 17328 17628 17784 18278 18304 18772 18944 19323 19456 19536 19888 19968 20064 20592 21164 21312 21696 21736 21888 22374 22496 23088 23104 23199 23504 23617 23712 23826 24453 25086 25308 25344 25764 25992 26048 26442 26714 26752 27417 27456 27911 28158 28416 28928 29184 29304 29832 29952 30096 30784 30932 31616 31746 31768 32318 32544 32604 33448 33744 33792 34352 34632 34656 35256 35568 35739 36556 36608 37544 37629 37888 38646 39072 39776 39936 40071 40128 40793 41184 42237 42328 42624 43392 43472 43776 44748 44992 45991 46176 46208 46398 47008 47234 47424 47619 47652 48477 48906 50172 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153010953216 165761865984 180831126528 221015821312 248642798976 331523731968 497285597952 663047463936 994571195904 1989142391808
• Sum of all divisors σ(n): 7378768758816
• Sum of proper divisors (its aliquot sum) s(n): 5389626367008
• 1989142391808 is an abundant number, because the sum of its proper divisors (5389626367008) is greater than itself. Its abundance is 3400483975200

Bases of 1989142391808

• Binary: 11100111100100010001000000010110000000000₂
• Hexadecimal: 0x1CF22202C00
• Base-36: PDSS0SG0

Squares and roots of 1989142391808

• 1989142391808 squared (1989142391808²) is 3956687454887650985508864
• 1989142391808 cubed (1989142391808³) is 7870414747651930181237830084944986112
• The square root of 1989142391808 is 1410369.5940454757
• The cube root of 1989142391808 is 12576.3695674469

Scales and comparisons

• 1,989,142,391,808 seconds is equal to 63,248 years, 29 weeks, 6 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 1,989,142,391,808 would take you about one hundred fifty-eight thousand, one 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 1989142391808 cubic inches would be around 1048 feet tall.

Recreational maths with 1989142391808

• 1989142391808 backwards is 8081932419891
• The number of decimal digits it has is: 13
• The sum of 1989142391808's digits is 63
• More coming soon!