21643368032

Names of 21643368032

• Cardinal: 21643368032 can be written as Twenty-one billion, six hundred forty-three million, three hundred sixty-eight thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1643368032 × 10¹⁰

Factors of 21643368032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4665

Divisors of 21643368032

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 11 13 16 17 22 26 32 34 44 52 61 68 88 104 122 136 143 176 187 208 221 244 272 286 352 374 416 442 488 544 572 671 748 793 884 976 1037 1144 1342 1496 1586 1768 1952 2074 2288 2431 2684 2992 3172 3536 4148 4561 4576 4862 5368 5984 6344 7072 8296 8723 9122 9724 10736 11407 12688 13481 16592 17446 18244 19448 21472 22814 25376 26962 33184 34892 36488 38896 45628 50171 53924 59293 69784 72976 77537 77792 91256 100342 107848 118586 139568 145952 148291 155074 182512 200684 215696 237172 278221 279136 296582 310148 365024 401368 431392 474344 556442 593164 620296 652223 802736 852907 948688 1007981 1112884 1186328 1240592 1304446 1605472 1705814 1897376 2015962 2225768 2372656 2481184 2608892 3060431 3411628 3616873 4031924 4451536 4729757 4745312 5217784 6120862 6823256 7233746 8063848 8903072 9459514 10435568 11087791 12241724 13646512 14467492 16127696 18919028 20871136 22175582 24483448 27293024 28934984 32255392 37838056 39785603 44351164 48966896 52027327 57869968 61486841 75676112 79571206 88702328 97933792 104054654 115739936 122973682 151352224 159142412 177404656 208109308 245947364 318284824 354809312 416218616 491894728 636569648 676355251 832437232 983789456 1273139296 1352710502 1664874464 1967578912 2705421004 5410842008 10821684016 21643368032
• Sum of all divisors σ(n): 53885176128
• Sum of proper divisors (its aliquot sum) s(n): 32241808096
• 21643368032 is an abundant number, because the sum of its proper divisors (32241808096) is greater than itself. Its abundance is 10598440064

Bases of 21643368032

• Binary: 10100001010000010111001011001100000₂
• Hexadecimal: 0x50A0B9660
• Base-36: 9XXWHNK

Squares and roots of 21643368032

• 21643368032 squared (21643368032²) is 468435379768599553024
• 21643368032 cubed (21643368032³) is 10138519323541487123329130528768
• The square root of 21643368032 is 147116.8516248223
• The cube root of 21643368032 is 2786.8159113107

Scales and comparisons

• 21,643,368,032 seconds is equal to 688 years, 9 weeks, 6 days, 22 hours, 40 minutes, 32 seconds.
• To count from 1 to 21,643,368,032 would take you about one thousand, three hundred seventy-six 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 21643368032 cubic inches would be around 232.2 feet tall.

Recreational maths with 21643368032

• 21643368032 backwards is 23086334612
• The number of decimal digits it has is: 11
• The sum of 21643368032's digits is 38
• More coming soon!