21021304032

Names of 21021304032

• Cardinal: 21021304032 can be written as Twenty-one billion, twenty-one million, three hundred four thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1021304032 × 10¹⁰

Factors of 21021304032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 17691

Divisors of 21021304032

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 68 72 81 96 102 108 136 144 153 162 204 216 243 272 288 306 324 408 432 459 486 544 612 648 729 816 864 918 972 1224 1296 1377 1458 1632 1836 1944 2187 2448 2592 2754 2916 3672 3888 4131 4374 4896 5508 5832 7344 7776 8262 8748 11016 11664 12393 14688 16524 17496 17669 22032 23328 24786 33048 34992 35338 37179 44064 49572 53007 66096 69984 70676 74358 99144 106014 132192 141352 148716 159021 198288 212028 282704 297432 300373 318042 396576 424056 477063 565408 594864 600746 636084 848112 901119 954126 1189728 1201492 1272168 1431189 1696224 1802238 1908252 2402984 2544336 2703357 2862378 3604476 3816504 4293567 4805968 5088672 5406714 5724756 7208952 7633008 8110071 8587134 9611936 10813428 11449512 12880701 14417904 15266016 16220142 17174268 21626856 22899024 24330213 25761402 28835808 32440284 34348536 38642103 43253712 45798048 48660426 51522804 64880568 68697072 72990639 77284206 86507424 97320852 103045608 129761136 137394144 145981278 154568412 194641704 206091216 218971917 259522272 291962556 309136824 389283408 412182432 437943834 583925112 618273648 656915751 778566816 875887668 1167850224 1236547296 1313831502 1751775336 2335700448 2627663004 3503550672 5255326008 7007101344 10510652016 21021304032
• Sum of all divisors σ(n): 65723918400
• Sum of proper divisors (its aliquot sum) s(n): 44702614368
• 21021304032 is an abundant number, because the sum of its proper divisors (44702614368) is greater than itself. Its abundance is 23681310336

Bases of 21021304032

• Binary: 10011100100111101111010010011100000₂
• Hexadecimal: 0x4E4F7A4E0
• Base-36: 9NNJI00

Squares and roots of 21021304032

• 21021304032 squared (21021304032²) is 441895223205779457024
• 21021304032 cubed (21021304032³) is 9289213837297191665641381920768
• The square root of 21021304032 is 144987.2547226135
• The cube root of 21021304032 is 2759.8568167685

Scales and comparisons

• 21,021,304,032 seconds is equal to 668 years, 21 weeks, 3 days, 3 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,021,304,032 would take you about one thousand, three hundred thirty-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 21021304032 cubic inches would be around 230 feet tall.

Recreational maths with 21021304032

• 21021304032 backwards is 23040312012
• 21021304032 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21021304032's digits is 18
• More coming soon!