21002010624

Names of 21002010624

• Cardinal: 21002010624 can be written as Twenty-one billion, two million, ten thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 2.1002010624 × 10¹⁰

Factors of 21002010624

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 20359

Divisors of 21002010624

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1024 1152 1344 1536 1792 2016 2048 2304 2688 3072 3584 4032 4096 4608 5376 6144 7168 8064 8192 9216 10752 12288 14336 16128 16384 18432 20347 21504 24576 28672 32256 36864 40694 43008 49152 57344 61041 64512 73728 81388 86016 114688 122082 129024 142429 147456 162776 172032 183123 244164 258048 284858 325552 344064 366246 427287 488328 516096 569716 651104 732492 854574 976656 1032192 1139432 1281861 1302208 1464984 1709148 1953312 2278864 2563722 2604416 2929968 3418296 3906624 4557728 5127444 5208832 5859936 6836592 7813248 9115456 10254888 10417664 11719872 13673184 15626496 18230912 20509776 20835328 23439744 27346368 31252992 36461824 41019552 41670656 46879488 54692736 62505984 72923648 82039104 83341312 93758976 109385472 125011968 145847296 164078208 166682624 187517952 218770944 250023936 291694592 328156416 333365248 375035904 437541888 500047872 583389184 656312832 750071808 875083776 1000095744 1166778368 1312625664 1500143616 1750167552 2333556736 2625251328 3000287232 3500335104 5250502656 7000670208 10501005312 21002010624
• Sum of all divisors σ(n): 69341263264
• Sum of proper divisors (its aliquot sum) s(n): 48339252640
• 21002010624 is an abundant number, because the sum of its proper divisors (48339252640) is greater than itself. Its abundance is 27337242016

Bases of 21002010624

• Binary: 10011100011110100010100000000000000₂
• Hexadecimal: 0x4E3D14000
• Base-36: 9NC1Z40

Squares and roots of 21002010624

• 21002010624 squared (21002010624²) is 441084450250608869376
• 21002010624 cubed (21002010624³) is 9263660310244486937103380250624
• The square root of 21002010624 is 144920.7046077267
• The cube root of 21002010624 is 2759.0122237167

Scales and comparisons

• 21,002,010,624 seconds is equal to 667 years, 41 weeks, 3 days, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,002,010,624 would take you about one thousand, three hundred thirty-five 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 21002010624 cubic inches would be around 229.9 feet tall.

Recreational maths with 21002010624

• 21002010624 backwards is 42601020012
• 21002010624 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21002010624's digits is 18
• More coming soon!