21356615232

Names of 21356615232

• Cardinal: 21356615232 can be written as Twenty-one billion, three hundred fifty-six million, six hundred fifteen thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.1356615232 × 10¹⁰

Factors of 21356615232

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 41308

Divisors of 21356615232

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 31 32 36 48 58 62 64 72 87 93 96 116 124 144 174 186 192 232 248 261 279 288 348 372 464 496 522 558 576 696 744 899 928 992 1044 1116 1392 1488 1798 1856 1984 2088 2232 2697 2784 2976 3596 4176 4464 5394 5568 5952 7192 8091 8352 8928 10788 14384 16182 16704 17856 21576 28768 32364 41243 43152 57536 64728 82486 86304 123729 129456 164972 172608 247458 258912 329944 371187 494916 517824 659888 742374 989832 1196047 1278533 1319776 1484748 1979664 2392094 2557066 2639552 2969496 3588141 3835599 3959328 4784188 5114132 5938992 7176282 7671198 7918656 9568376 10228264 10764423 11506797 11877984 14352564 15342396 19136752 20456528 21528846 23013594 23755968 28705128 30684792 37077457 38273504 40913056 43057692 46027188 57410256 61369584 74154914 76547008 81826112 86115384 92054376 111232371 114820512 122739168 148309828 172230768 184108752 222464742 229641024 245478336 296619656 333697113 344461536 368217504 444929484 593239312 667394226 688923072 736435008 889858968 1186478624 1334788452 1779717936 2372957248 2669576904 3559435872 5339153808 7118871744 10678307616 21356615232
• Sum of all divisors σ(n): 65370090240
• Sum of proper divisors (its aliquot sum) s(n): 44013475008
• 21356615232 is an abundant number, because the sum of its proper divisors (44013475008) is greater than itself. Its abundance is 22656859776

Bases of 21356615232

• Binary: 10011111000111101000001011001000000₂
• Hexadecimal: 0x4F8F41640
• Base-36: 9T76DS0

Squares and roots of 21356615232

• 21356615232 squared (21356615232²) is 456105014167694413824
• 21356615232 cubed (21356615232³) is 9740859292965358320594949767168
• The square root of 21356615232 is 146139.0270666941
• The cube root of 21356615232 is 2774.4536535323

Scales and comparisons

• 21,356,615,232 seconds is equal to 679 years, 3 weeks, 6 days, 1 hour, 7 minutes, 12 seconds.
• To count from 1 to 21,356,615,232 would take you about one thousand, three hundred fifty-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 21356615232 cubic inches would be around 231.2 feet tall.

Recreational maths with 21356615232

• 21356615232 backwards is 23251665312
• 21356615232 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21356615232's digits is 36
• More coming soon!