21370981424

Names of 21370981424

• Cardinal: 21370981424 can be written as Twenty-one billion, three hundred seventy million, nine hundred eighty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1370981424 × 10¹⁰

Factors of 21370981424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2021

Divisors of 21370981424

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 19 26 38 43 52 67 76 86 104 134 152 172 208 247 268 304 344 494 536 559 688 817 871 988 1072 1118 1273 1634 1742 1877 1976 2236 2546 2881 3268 3484 3754 3952 4472 5092 5762 6536 6968 7508 8944 10184 10621 11524 13072 13936 15016 16549 20368 21242 23048 24401 30032 33098 35663 37453 42484 46096 48802 54739 66196 71326 74906 80711 84968 97604 109478 125759 132392 142652 149812 161422 169936 195208 218956 251518 264784 285304 299624 322844 390416 437912 463619 503036 570608 599248 645688 711607 875824 927238 1006072 1049243 1291376 1423214 1533509 1634867 1854476 2012144 2098486 2389421 2846428 3067018 3269734 3708952 4196972 4778842 5407637 5692856 6134036 6539468 7417904 8393944 9557684 10815274 11385712 12268072 13078936 16787888 19115368 19935617 21630548 24536144 26157872 31062473 38230736 39871234 43261096 62124946 70299281 79742468 86522192 102745103 124249892 140598562 159484936 205490206 248499784 281197124 318969872 410980412 496999568 562394248 821960824 1124788496 1335686339 1643921648 2671372678 5342745356 10685490712 21370981424
• Sum of all divisors σ(n): 48772711680
• Sum of proper divisors (its aliquot sum) s(n): 27401730256
• 21370981424 is an abundant number, because the sum of its proper divisors (27401730256) is greater than itself. Its abundance is 6030748832

Bases of 21370981424

• Binary: 10011111001110011110100110000110000₂
• Hexadecimal: 0x4F9CF4C30
• Base-36: 9TFQASW

Squares and roots of 21370981424

• 21370981424 squared (21370981424²) is 456718847024953067776
• 21370981424 cubed (21370981424³) is 9760529995760969675912708993024
• The square root of 21370981424 is 146188.1712861885
• The cube root of 21370981424 is 2775.0756216277

Scales and comparisons

• 21,370,981,424 seconds is equal to 679 years, 27 weeks, 4 days, 7 hours, 43 minutes, 44 seconds.
• To count from 1 to 21,370,981,424 would take you about one thousand, three hundred fifty-nine 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 21370981424 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370981424

• 21370981424 backwards is 42418907312
• The number of decimal digits it has is: 11
• The sum of 21370981424's digits is 41
• More coming soon!