21043669752

Names of 21043669752

• Cardinal: 21043669752 can be written as Twenty-one billion, forty-three million, six hundred sixty-nine thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1043669752 × 10¹⁰

Factors of 21043669752

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 572

Divisors of 21043669752

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 81 84 98 108 126 147 162 168 189 196 211 216 243 252 294 324 349 378 392 422 441 486 504 567 588 633 648 698 729 756 844 882 972 1047 1134 1176 1266 1323 1396 1458 1477 1512 1688 1701 1764 1899 1944 2094 2268 2443 2532 2646 2792 2916 2954 3141 3402 3528 3798 3969 4188 4431 4536 4886 5064 5103 5292 5697 5832 5908 6282 6804 7329 7596 7938 8376 8862 9423 9772 10206 10339 10584 11394 11816 11907 12564 13293 13608 14658 15192 15876 17091 17101 17724 18846 19544 20412 20678 21987 22788 23814 25128 26586 28269 29316 31017 31752 34182 34202 35448 35721 37692 39879 40824 41356 43974 45576 47628 51273 51303 53172 56538 58632 62034 65961 68364 68404 71442 73639 75384 79758 82712 84807 87948 93051 95256 102546 102606 106344 113076 119637 124068 131922 136728 136808 142884 147278 153819 153909 159516 169614 175896 186102 197883 205092 205212 220917 226152 239274 248136 254421 263844 279153 285768 294556 307638 307818 319032 339228 358911 372204 395766 410184 410424 441834 461727 478548 508842 515473 527688 558306 589112 593649 615276 615636 662751 678456 717822 744408 791532 837459 883668 923454 957096 1017684 1030946 1076733 1116612 1187298 1230552 1231272 1325502 1385181 1435644 1546419 1583064 1674918 1767336 1780947 1846908 1988253 2035368 2061892 2153466 2233224 2374596 2512377 2651004 2770362 2871288 3092838 3349836 3561894 3608311 3693816 3976506 4123784 4155543 4306932 4639257 4749192 5024754 5302008 5540724 5964759 6185676 6699672 7123788 7216622 7537131 7953012 8311086 8613864 9278514 10049508 10824933 11081448 11929518 12371352 12466629 13917771 14247576 14433244 15074262 15906024 16622172 17894277 18557028 20099016 21649866 23859036 24933258 27835542 28866488 30148524 32474799 33244344 35788554 37114056 41753313 43299732 47718072 49866516 53682831 55671084 60297048 64949598 71577108 83506626 86599464 97424397 99733032 107365662 111342168 125259939 129899196 143154216 167013252 194848794 214731324 250519878 259798392 292273191 334026504 375779817 389697588 429462648 501039756 584546382 751559634 779395176 876819573 1002079512 1169092764 1503119268 1753639146 2338185528 2630458719 3006238536 3507278292 5260917438 7014556584 10521834876 21043669752
• Sum of all divisors σ(n): 69341013000
• Sum of proper divisors (its aliquot sum) s(n): 48297343248
• 21043669752 is an abundant number, because the sum of its proper divisors (48297343248) is greater than itself. Its abundance is 27253673496

Bases of 21043669752

• Binary: 10011100110010011001110101011111000₂
• Hexadecimal: 0x4E64CEAF8
• Base-36: 9O0UVI0

Squares and roots of 21043669752

• 21043669752 squared (21043669752²) is 442836036631239741504
• 21043669752 cubed (21043669752³) is 9318895309152383726548023787008
• The square root of 21043669752 is 145064.3641698401
• The cube root of 21043669752 is 2760.8352575979

Scales and comparisons

• 21,043,669,752 seconds is equal to 669 years, 6 weeks, 2 days, 23 hours, 49 minutes, 12 seconds.
• To count from 1 to 21,043,669,752 would take you about one thousand, three hundred thirty-eight 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 21043669752 cubic inches would be around 230.1 feet tall.

Recreational maths with 21043669752

• 21043669752 backwards is 25796634012
• The number of decimal digits it has is: 11
• The sum of 21043669752's digits is 45
• More coming soon!