21901328384

Names of 21901328384

• Cardinal: 21901328384 can be written as Twenty-one billion, nine hundred one million, three hundred twenty-eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1901328384 × 10¹⁰

Factors of 21901328384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 153

Divisors of 21901328384

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 62 64 104 107 124 128 208 214 248 256 403 416 428 496 512 806 832 856 961 992 1024 1391 1612 1664 1712 1922 1984 2048 2782 3224 3317 3328 3424 3844 3968 4096 5564 6448 6634 6656 6848 7688 7936 8192 11128 12493 12896 13268 13312 13696 15376 15872 16384 22256 24986 25792 26536 26624 27392 30752 31744 43121 44512 49972 51584 53072 53248 54784 61504 63488 86242 89024 99944 102827 103168 106144 106496 109568 123008 126976 172484 178048 199888 205654 206336 212288 212992 219136 246016 253952 344968 356096 399776 411308 412672 424576 438272 492032 507904 689936 712192 799552 822616 825344 849152 876544 984064 1336751 1379872 1424384 1599104 1645232 1650688 1698304 1753088 1968128 2673502 2759744 2848768 3198208 3290464 3301376 3396608 3936256 5347004 5519488 5697536 6396416 6580928 6602752 6793216 7872512 10694008 11038976 11395072 12792832 13161856 13586432 15745024 21388016 22077952 22790144 25585664 26323712 27172864 42776032 44155904 51171328 52647424 54345728 85552064 88311808 102342656 105294848 171104128 176623616 204685312 210589696 342208256 353247232 421179392 684416512 706494464 842358784 1368833024 1684717568 2737666048 5475332096 10950664192 21901328384
• Sum of all divisors σ(n): 49196898072
• Sum of proper divisors (its aliquot sum) s(n): 27295569688
• 21901328384 is an abundant number, because the sum of its proper divisors (27295569688) is greater than itself. Its abundance is 5394241304

Bases of 21901328384

• Binary: 10100011001011010111100000000000000₂
• Hexadecimal: 0x5196BC000
• Base-36: A27HH4W

Squares and roots of 21901328384

• 21901328384 squared (21901328384²) is 479668184983804051456
• 21901328384 cubed (21901328384³) is 10505370434687550252447489327104
• The square root of 21901328384 is 147990.9739950379
• The cube root of 21901328384 is 2797.8439347633

Scales and comparisons

• 21,901,328,384 seconds is equal to 696 years, 20 weeks, 3 days, 14 hours, 19 minutes, 44 seconds.
• To count from 1 to 21,901,328,384 would take you about one thousand, three hundred ninety-two 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 21901328384 cubic inches would be around 233.2 feet tall.

Recreational maths with 21901328384

• 21901328384 backwards is 48382310912
• The number of decimal digits it has is: 11
• The sum of 21901328384's digits is 41
• More coming soon!