21017014272

Names of 21017014272

• Cardinal: 21017014272 can be written as Twenty-one billion, seventeen million, fourteen thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1017014272 × 10¹⁰

Factors of 21017014272

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 63352

Divisors of 21017014272

• Number of divisors d(n): 130
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1024 1152 1296 1536 1728 2048 2304 2592 3072 3456 4096 4608 5184 6144 6912 9216 10368 12288 13824 18432 20736 27648 36864 41472 55296 63347 82944 110592 126694 165888 190041 253388 331776 380082 506776 570123 760164 1013552 1140246 1520328 1710369 2027104 2280492 3040656 3420738 4054208 4560984 5131107 6081312 6841476 8108416 9121968 10262214 12162624 13682952 16216832 18243936 20524428 24325248 27365904 32433664 36487872 41048856 48650496 54731808 64867328 72975744 82097712 97300992 109463616 129734656 145951488 164195424 194601984 218927232 259469312 291902976 328390848 389203968 437854464 583805952 656781696 778407936 875708928 1167611904 1313563392 1751417856 2335223808 2627126784 3502835712 5254253568 7005671424 10508507136 21017014272
• Sum of all divisors σ(n): 62784899628
• Sum of proper divisors (its aliquot sum) s(n): 41767885356
• 21017014272 is an abundant number, because the sum of its proper divisors (41767885356) is greater than itself. Its abundance is 20750871084

Bases of 21017014272

• Binary: 10011100100101101100011000000000000₂
• Hexadecimal: 0x4E4B63000
• Base-36: 9NKZK00

Squares and roots of 21017014272

• 21017014272 squared (21017014272²) is 441714888909451689984
• 21017014272 cubed (21017014272³) is 9283528124364840684088247451648
• The square root of 21017014272 is 144972.4603916205
• The cube root of 21017014272 is 2759.6690718539

Scales and comparisons

• 21,017,014,272 seconds is equal to 668 years, 14 weeks, 2 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,017,014,272 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 21017014272 cubic inches would be around 230 feet tall.

Recreational maths with 21017014272

• 21017014272 backwards is 27241071012
• 21017014272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21017014272's digits is 27
• More coming soon!