21574998012

Names of 21574998012

• Cardinal: 21574998012 can be written as Twenty-one billion, five hundred seventy-four million, nine hundred ninety-eight thousand and twelve.

Scientific notation

• Scientific notation: 2.1574998012 × 10¹⁰

Factors of 21574998012

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 155

Divisors of 21574998012

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 61 89 122 178 183 244 267 356 366 534 732 1068 3721 5429 7442 7921 10858 11163 14884 15842 16287 21716 22326 23763 31684 32574 44652 47526 65148 95052 226981 331169 453962 483181 662338 680943 907924 966362 993507 1324676 1361886 1449543 1932724 1987014 2723772 2899086 3974028 5798172 20201309 29474041 40402618 58948082 60603927 80805236 88422123 117896164 121207854 176844246 242415708 353688492 1797916501 3595833002 5393749503 7191666004 10787499006 21574998012
• Sum of all divisors σ(n): 51762211312
• Sum of proper divisors (its aliquot sum) s(n): 30187213300
• 21574998012 is an abundant number, because the sum of its proper divisors (30187213300) is greater than itself. Its abundance is 8612215288

Bases of 21574998012

• Binary: 10100000101111110000101011111111100₂
• Hexadecimal: 0x505F857FC
• Base-36: 9WT730C

Squares and roots of 21574998012

• 21574998012 squared (21574998012²) is 465480539217803952144
• 21574998012 cubed (21574998012³) is 10042741708248808302512543137728
• The square root of 21574998012 is 146884.3014484531
• The cube root of 21574998012 is 2783.8783580133

Scales and comparisons

• 21,574,998,012 seconds is equal to 686 years, 6 days, 15 hours, 12 seconds.
• To count from 1 to 21,574,998,012 would take you about one thousand, three hundred seventy-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 21574998012 cubic inches would be around 232 feet tall.

Recreational maths with 21574998012

• 21574998012 backwards is 21089947512
• The number of decimal digits it has is: 11
• The sum of 21574998012's digits is 48
• More coming soon!