21046061664

Names of 21046061664

• Cardinal: 21046061664 can be written as Twenty-one billion, forty-six million, sixty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1046061664 × 10¹⁰

Factors of 21046061664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 567

Divisors of 21046061664

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 83 96 114 144 149 152 166 171 228 249 288 298 304 311 332 342 447 456 498 596 608 622 664 684 747 894 912 933 996 1192 1244 1328 1341 1368 1494 1577 1788 1824 1866 1992 2384 2488 2656 2682 2736 2799 2831 2988 3154 3576 3732 3984 4731 4768 4976 5364 5472 5598 5662 5909 5976 6308 7152 7464 7968 8493 9462 9952 10728 11196 11324 11818 11952 12367 12616 14193 14304 14928 16986 17727 18924 21456 22392 22648 23636 23904 24734 25232 25479 25813 28386 29856 33972 35454 37101 37848 42912 44784 45296 46339 47272 49468 50464 50958 51626 53181 56772 67944 70908 74202 75696 77439 89568 90592 92678 94544 98936 101916 103252 106362 111303 113544 135888 139017 141816 148404 151392 154878 185356 189088 197872 203832 206504 212724 222606 227088 232317 234973 271776 278034 283632 296808 309756 370712 395744 407664 413008 417051 425448 445212 454176 464634 469946 490447 556068 567264 593616 619512 704919 741424 815328 826016 834102 850896 880441 890424 929268 939892 980894 1112136 1187232 1239024 1409838 1471341 1482848 1668204 1701792 1760882 1780848 1858536 1879784 1961788 2114757 2224272 2478048 2641323 2819676 2942682 3336408 3521764 3561696 3717072 3759568 3846137 3923576 4229514 4414023 4448544 5282646 5639352 5885364 6672816 7043528 7434144 7519136 7692274 7847152 7923969 8459028 8828046 10565292 11278704 11538411 11770728 13345632 14087056 15384548 15694304 15847938 16918056 17656092 21130584 22557408 23076822 23541456 28174112 30769096 31695876 33836112 34615233 35312184 42261168 46153644 47082912 61538192 63391752 67672224 69230466 70624368 73076603 84522336 92307288 123076384 126783504 138460932 141248736 146153206 184614576 219229809 253567008 276921864 292306412 369229152 438459618 553843728 584612824 657689427 876919236 1107687456 1169225648 1315378854 1753838472 2338451296 2630757708 3507676944 5261515416 7015353888 10523030832 21046061664
• Sum of all divisors σ(n): 64393056000
• Sum of proper divisors (its aliquot sum) s(n): 43346994336
• 21046061664 is an abundant number, because the sum of its proper divisors (43346994336) is greater than itself. Its abundance is 22300932672

Bases of 21046061664

• Binary: 10011100110011100010110101001100000₂
• Hexadecimal: 0x4E6716A60
• Base-36: 9O2A540

Squares and roots of 21046061664

• 21046061664 squared (21046061664²) is 442936711564890448896
• 21046061664 cubed (21046061664³) is 9322073344844066324869856722944
• The square root of 21046061664 is 145072.6082484215
• The cube root of 21046061664 is 2760.9398563501

Scales and comparisons

• 21,046,061,664 seconds is equal to 669 years, 10 weeks, 2 days, 16 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,046,061,664 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 21046061664 cubic inches would be around 230.1 feet tall.

Recreational maths with 21046061664

• 21046061664 backwards is 46616064012
• 21046061664 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21046061664's digits is 36
• More coming soon!