21443315180

Names of 21443315180

• Cardinal: 21443315180 can be written as Twenty-one billion, four hundred forty-three million, three hundred fifteen thousand, one hundred eighty.

Scientific notation

• Scientific notation: 2.144331518 × 10¹⁰

Factors of 21443315180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13717

Divisors of 21443315180

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 59 70 118 140 193 236 295 386 413 590 772 826 965 1180 1351 1652 1930 2065 2702 3860 4130 5404 6755 8260 11387 13451 13510 22774 26902 27020 45548 53804 56935 67255 79709 94157 113870 134510 159418 188314 227740 269020 318836 376628 398545 470785 793609 797090 941570 1587218 1594180 1883140 2596043 3174436 3968045 5192086 5555263 7936090 10384172 11110526 12980215 15872180 18172301 22221052 25960430 27776315 36344602 51920860 55552630 72689204 90861505 111105260 153166537 181723010 306333074 363446020 612666148 765832685 1072165759 1531665370 2144331518 3063330740 4288663036 5360828795 10721657590 21443315180
• Sum of all divisors σ(n): 52611310080
• Sum of proper divisors (its aliquot sum) s(n): 31167994900
• 21443315180 is an abundant number, because the sum of its proper divisors (31167994900) is greater than itself. Its abundance is 9724679720

Bases of 21443315180

• Binary: 10011111110000111110000010111101100₂
• Hexadecimal: 0x4FE1F05EC
• Base-36: 9UMSNVW

Squares and roots of 21443315180

• 21443315180 squared (21443315180²) is 459815765908818432400
• 21443315180 cubed (21443315180³) is 9859974393115892787346723832000
• The square root of 21443315180 is 146435.3617812309
• The cube root of 21443315180 is 2778.2030025307

Scales and comparisons

• 21,443,315,180 seconds is equal to 681 years, 43 weeks, 1 day, 12 hours, 26 minutes, 20 seconds.
• To count from 1 to 21,443,315,180 would take you about one thousand, three hundred sixty-three 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 21443315180 cubic inches would be around 231.5 feet tall.

Recreational maths with 21443315180

• 21443315180 backwards is 08151334412
• The number of decimal digits it has is: 11
• The sum of 21443315180's digits is 32
• More coming soon!