21052522644921432

Names of 21052522644921432

• Cardinal: 21052522644921432 can be written as Twenty-one quadrillion, fifty-two trillion, five hundred twenty-two billion, six hundred forty-four million, nine hundred twenty-one thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1052522644921432 × 10¹⁶

Factors of 21052522644921432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 365383157

Divisors of 21052522644921432

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 53 54 56 63 72 84 106 108 126 159 168 189 212 216 252 318 371 378 424 477 504 636 719 742 756 954 1113 1272 1431 1438 1484 1512 1908 2157 2226 2862 2876 2968 3339 3816 4314 4452 5033 5724 5752 6471 6678 8628 8904 10017 10066 11448 12942 13356 15099 17256 19413 20034 20132 25884 26712 30198 38107 38826 40068 40264 45297 51768 60396 76214 77652 80136 90594 114321 120792 135891 152428 155304 181188 228642 266749 271782 304856 342963 362376 457284 533498 543564 685926 800247 914568 1028889 1066996 1087128 1371852 1600494 2057778 2133992 2400741 2743704 3200988 4115556 4801482 6401976 7202223 8231112 9602964 14404446 19205928 28808892 57617784 365382373 730764746 1096147119 1461529492 2192294238 2557676611 2923058984 3288441357 4384588476 5115353222 6576882714 7673029833 8769176952 9865324071 10230706444 13153765428 15346059666 19365265769 19730648142 20461412888 23019089499 26307530856 30692119332 38730531538 39461296284 46038178998 58095797307 61384238664 69057268497 77461063076 78922592568 92076357996 116191594614 135556860383 138114536994 154922126152 174287391921 184152715992 232383189228 262709926187 271113720766 276229073988 348574783842 406670581149 464766378456 522862175763 525419852374 542227441532 552458147976 697149567684 788129778561 813341162298 1045724351526 1050839704748 1084454883064 1220011743447 1394299135368 1576259557122 1626682324596 1838969483309 2091448703052 2101679409496 2364389335683 2440023486894 3152519114244 3253364649192 3660035230341 3677938966618 4182897406104 4728778671366 4880046973788 5516908449927 6305038228488 7093168007049 7320070460682 7355877933236 9457557342732 9760093947576 11033816899854 13923626087911 14186336014098 14640140921364 14711755866472 16550725349781 18915114685464 22067633799708 27847252175822 28372672028196 29280281842728 33101450699562 41770878263733 44135267599416 49652176049343 55694504351644 56745344056392 66202901399124 83541756527466 97465382615377 99304352098686 111389008703288 125312634791199 132405802798248 167083513054932 194930765230754 198608704197372 250625269582398 292396147846131 334167026109864 375937904373597 389861530461508 397217408394744 501250539164796 584792295692262 751875808747194 779723060923016 877188443538393 1002501078329592 1169584591384524 1503751617494388 1754376887076786 2339169182769048 2631565330615179 3007503234988776 3508753774153572 5263130661230358 7017507548307144 10526261322460716 21052522644921432
• Sum of all divisors σ(n): 68189120165376000
• Sum of proper divisors (its aliquot sum) s(n): 47136597520454568
• 21052522644921432 is an abundant number, because the sum of its proper divisors (47136597520454568) is greater than itself. Its abundance is 26084074875533136

Bases of 21052522644921432

• Binary: 1001010110010110010100001100101111000000101110001011000₂
• Hexadecimal: 0x4ACB2865E05C58
• Base-36: 5RAHVDYRC60

Squares and roots of 21052522644921432

• 21052522644921432 squared (21052522644921432²) is 443208709714929686826661452930624
• 21052522644921432 cubed (21052522644921432³) is 9330661397699966704596165831935966236946626733568
• The square root of 21052522644921432 is 145094874.6335356671
• The cube root of 21052522644921432 is 276122.2356625259

Scales and comparisons

• 21,052,522,644,921,432 seconds is equal to 669,405,100 years, 19 weeks, 5 days, 10 hours, 37 minutes, 12 seconds.
• To count from 1 to 21,052,522,644,921,432 would take you about two billion, eight million, two hundred fifteen thousand, three hundred 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 21052522644921432 cubic inches would be around 23010.2 feet tall.

Recreational maths with 21052522644921432

• 21052522644921432 backwards is 23412944622525012
• 21052522644921432 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21052522644921432's digits is 54
• More coming soon!