21005113344

Names of 21005113344

• Cardinal: 21005113344 can be written as Twenty-one billion, five million, one hundred thirteen thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1005113344 × 10¹⁰

Factors of 21005113344

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 48

Divisors of 21005113344

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 128 129 172 192 256 258 344 384 512 516 688 768 1024 1032 1376 1536 1849 2048 2064 2752 3072 3698 4128 5504 5547 6144 7396 8256 11008 11094 14792 16512 22016 22188 29584 33024 44032 44376 59168 66048 79507 88064 88752 118336 132096 159014 177504 236672 238521 264192 318028 355008 473344 477042 636056 710016 946688 954084 1272112 1420032 1893376 1908168 2544224 2840064 3418801 3786752 3816336 5088448 5680128 6837602 7632672 10176896 10256403 11360256 13675204 15265344 20353792 20512806 27350408 30530688 40707584 41025612 54700816 61061376 81415168 82051224 109401632 122122752 162830336 164102448 218803264 244245504 328204896 437606528 488491008 656409792 875213056 1312819584 1750426112 2625639168 3500852224 5251278336 7001704448 10502556672 21005113344
• Sum of all divisors σ(n): 57333292380
• Sum of proper divisors (its aliquot sum) s(n): 36328179036
• 21005113344 is an abundant number, because the sum of its proper divisors (36328179036) is greater than itself. Its abundance is 15323065692

Bases of 21005113344

• Binary: 10011100100000000001001100000000000₂
• Hexadecimal: 0x4E4009800
• Base-36: 9NDWH6O

Squares and roots of 21005113344

• 21005113344 squared (21005113344²) is 441214786594286862336
• 21005113344 cubed (21005113344³) is 9267766601461767286217804611584
• The square root of 21005113344 is 144931.4091009951
• The cube root of 21005113344 is 2759.1480840561

Scales and comparisons

• 21,005,113,344 seconds is equal to 667 years, 46 weeks, 4 days, 17 hours, 42 minutes, 24 seconds.
• To count from 1 to 21,005,113,344 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 21005113344 cubic inches would be around 229.9 feet tall.

Recreational maths with 21005113344

• 21005113344 backwards is 44331150012
• 21005113344 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21005113344's digits is 24
• More coming soon!