21402181632

Names of 21402181632

• Cardinal: 21402181632 can be written as Twenty-one billion, four hundred two million, one hundred eighty-one thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 2.1402181632 × 10¹⁰

Factors of 21402181632

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 5171

Divisors of 21402181632

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 256 312 338 384 416 507 512 624 676 768 832 1014 1024 1248 1352 1536 1664 2028 2048 2496 2704 3072 3328 4056 4096 4992 5153 5408 6144 6656 8112 8192 9984 10306 10816 12288 13312 15459 16224 19968 20612 21632 24576 26624 30918 32448 39936 41224 43264 53248 61836 64896 66989 79872 82448 86528 106496 123672 129792 133978 159744 164896 173056 200967 247344 259584 267956 319488 329792 346112 401934 494688 519168 535912 659584 692224 803868 870857 989376 1038336 1071824 1319168 1384448 1607736 1741714 1978752 2076672 2143648 2612571 2638336 3215472 3483428 3957504 4153344 4287296 5225142 5276672 6430944 6966856 7915008 8574592 10450284 10553344 12861888 13933712 15830016 17149184 20900568 21106688 25723776 27867424 31660032 34298368 41801136 42213376 51447552 55734848 63320064 68596736 83602272 102895104 111469696 126640128 137193472 167204544 205790208 222939392 274386944 334409088 411580416 445878784 548773888 668818176 823160832 891757568 1337636352 1646321664 1783515136 2675272704 3567030272 5350545408 7134060544 10701090816 21402181632
• Sum of all divisors σ(n): 61808602824
• Sum of proper divisors (its aliquot sum) s(n): 40406421192
• 21402181632 is an abundant number, because the sum of its proper divisors (40406421192) is greater than itself. Its abundance is 19004239560

Bases of 21402181632

• Binary: 10011111011101010110110000000000000₂
• Hexadecimal: 0x4FBAB6000
• Base-36: 9TYB11C

Squares and roots of 21402181632

• 21402181632 squared (21402181632²) is 458053378609118183424
• 21402181632 cubed (21402181632³) is 9803341606143610892994339667968
• The square root of 21402181632 is 146294.8448579101
• The cube root of 21402181632 is 2776.4254400869

Scales and comparisons

• 21,402,181,632 seconds is equal to 680 years, 27 weeks, 1 day, 10 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,402,181,632 would take you about one thousand, three hundred sixty-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 21402181632 cubic inches would be around 231.4 feet tall.

Recreational maths with 21402181632

• 21402181632 backwards is 23618120412
• The number of decimal digits it has is: 11
• The sum of 21402181632's digits is 30
• More coming soon!