21427445624

Names of 21427445624

• Cardinal: 21427445624 can be written as Twenty-one billion, four hundred twenty-seven million, four hundred forty-five thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 2.1427445624 × 10¹⁰

Factors of 21427445624

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 160

Divisors of 21427445624

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 19 26 37 38 52 74 76 89 104 148 152 178 247 296 356 481 494 703 712 962 988 1157 1369 1406 1691 1924 1976 2314 2738 2812 3293 3382 3848 4628 5476 5624 6586 6764 7921 9139 9256 10952 13172 13528 15842 17797 18278 21983 26011 26344 31684 35594 36556 42809 43966 52022 62567 63368 71188 73112 85618 87932 102973 104044 121841 125134 142376 150499 171236 175864 205946 208088 243682 250268 293077 300998 338143 342472 411892 487364 500536 586154 601996 676286 813371 823784 974728 1172308 1203992 1352572 1583933 1626742 1956487 2314979 2344616 2705144 3167866 3253484 3810001 3912974 4629958 5568463 6335732 6506968 7620002 7825948 9259916 10843849 11136926 12671464 15240004 15651896 18519832 21687698 22273852 30094727 30480008 43375396 44547704 60189454 72390019 86750792 120378908 140970037 144780038 206033131 240757816 281940074 289560076 412066262 563880148 579120152 824132524 1127760296 1648265048 2678430703 5356861406 10713722812 21427445624
• Sum of all divisors σ(n): 47340203400
• Sum of proper divisors (its aliquot sum) s(n): 25912757776
• 21427445624 is an abundant number, because the sum of its proper divisors (25912757776) is greater than itself. Its abundance is 4485312152

Bases of 21427445624

• Binary: 10011111101001011001101111101111000₂
• Hexadecimal: 0x4FD2CDF78
• Base-36: 9UDCIUW

Squares and roots of 21427445624

• 21427445624 squared (21427445624²) is 459135425969476749376
• 21427445624 cubed (21427445624³) is 9838099374013040530986515930624
• The square root of 21427445624 is 146381.1655371003
• The cube root of 21427445624 is 2777.5174784173

Scales and comparisons

• 21,427,445,624 seconds is equal to 681 years, 16 weeks, 6 days, 20 hours, 13 minutes, 44 seconds.
• To count from 1 to 21,427,445,624 would take you about one thousand, three hundred sixty-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 21427445624 cubic inches would be around 231.5 feet tall.

Recreational maths with 21427445624

• 21427445624 backwards is 42654472412
• The number of decimal digits it has is: 11
• The sum of 21427445624's digits is 41
• More coming soon!