21443277982

Names of 21443277982

• Cardinal: 21443277982 can be written as Twenty-one billion, four hundred forty-three million, two hundred seventy-seven thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 2.1443277982 × 10¹⁰

Factors of 21443277982

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 124

Divisors of 21443277982

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 7 14 19 23 38 46 49 73 98 133 146 161 266 322 361 437 511 722 874 931 1022 1127 1387 1679 1862 2254 2527 2774 3059 3358 3577 5054 6118 6859 7154 8303 9709 11753 13718 16606 17689 19418 21413 23506 26353 31901 35378 42826 48013 52706 58121 63802 67963 82271 96026 116242 130321 135926 157757 164542 184471 223307 260642 315514 336091 368942 406847 446614 500707 606119 672182 813694 912247 1001414 1104299 1212238 1291297 1563149 1824494 2208598 2582594 2997383 3126298 3504949 4242833 5994766 6385729 7009898 7730093 8485666 9513433 11516261 12771458 15460186 19026866 20981681 23032522 24534643 29699831 41963362 49069286 59399662 66594031 80613827 133188062 146871767 161227654 218808959 293743534 437617918 466158217 564296789 932316434 1128593578 1531662713 3063325426 10721638991 21443277982
• Sum of all divisors σ(n): 41776725456
• Sum of proper divisors (its aliquot sum) s(n): 20333447474
• 21443277982 is a deficient number, because the sum of its proper divisors (20333447474) is less than itself. Its deficiency is 1109830508

Bases of 21443277982

• Binary: 10011111110000111100111010010011110₂
• Hexadecimal: 0x4FE1E749E
• Base-36: 9UMRV6M

Squares and roots of 21443277982

• 21443277982 squared (21443277982²) is 459814170613325992324
• 21443277982 cubed (21443277982³) is 9859923080524324686989530210168
• The square root of 21443277982 is 146435.2347695049
• The cube root of 21443277982 is 2778.2013960681

Scales and comparisons

• 21,443,277,982 seconds is equal to 681 years, 43 weeks, 1 day, 2 hours, 6 minutes, 22 seconds.
• To count from 1 to 21,443,277,982 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 21443277982 cubic inches would be around 231.5 feet tall.

Recreational maths with 21443277982

• 21443277982 backwards is 28977234412
• 21443277982 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21443277982's digits is 49
• More coming soon!