21046029680

Names of 21046029680

• Cardinal: 21046029680 can be written as Twenty-one billion, forty-six million, twenty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.104602968 × 10¹⁰

Factors of 21046029680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 232

Divisors of 21046029680

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 61 65 80 104 122 130 151 169 208 244 260 302 305 338 488 520 604 610 676 755 793 845 976 1040 1208 1220 1352 1510 1586 1690 1963 2197 2416 2440 2704 3020 3172 3380 3926 3965 4394 4880 6040 6344 6760 7852 7930 8788 9211 9815 10309 10985 12080 12688 13520 15704 15860 17576 18422 19630 20618 21970 25519 28561 31408 31720 35152 36844 39260 41236 43940 46055 51038 51545 57122 63440 73688 78520 82472 87880 92110 102076 103090 114244 119743 127595 134017 142805 147376 157040 164944 175760 184220 204152 206180 228488 239486 255190 268034 285610 331747 368440 408304 412360 456976 478972 510380 536068 571220 598715 663494 670085 736880 824720 957944 1020760 1072136 1142440 1197430 1326988 1340170 1556659 1658735 1742221 1915888 2041520 2144272 2284880 2394860 2653976 2680340 3113318 3317470 3484442 4312711 4789720 5307952 5360680 6226636 6634940 6968884 7783295 8625422 8711105 9579440 10721360 12453272 13269880 13937768 15566590 17250844 17422210 20236567 21563555 24906544 26539760 27875536 31133180 34501688 34844420 40473134 43127110 62266360 69003376 69688840 80946268 86254220 101182835 124532720 139377680 161892536 172508440 202365670 263075371 323785072 345016880 404731340 526150742 809462680 1052301484 1315376855 1618925360 2104602968 2630753710 4209205936 5261507420 10523014840 21046029680
• Sum of all divisors σ(n): 54235365024
• Sum of proper divisors (its aliquot sum) s(n): 33189335344
• 21046029680 is an abundant number, because the sum of its proper divisors (33189335344) is greater than itself. Its abundance is 12143305664

Bases of 21046029680

• Binary: 10011100110011100001110110101110000₂
• Hexadecimal: 0x4E670ED70
• Base-36: 9O29GFK

Squares and roots of 21046029680

• 21046029680 squared (21046029680²) is 442935365291440902400
• 21046029680 cubed (21046029680³) is 9322030844245307081876383232000
• The square root of 21046029680 is 145072.4980139241
• The cube root of 21046029680 is 2760.9384577361

Scales and comparisons

• 21,046,029,680 seconds is equal to 669 years, 10 weeks, 2 days, 7 hours, 21 minutes, 20 seconds.
• To count from 1 to 21,046,029,680 would take you about one thousand, three hundred thirty-eight 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 21046029680 cubic inches would be around 230.1 feet tall.

Recreational maths with 21046029680

• 21046029680 backwards is 08692064012
• The number of decimal digits it has is: 11
• The sum of 21046029680's digits is 38
• More coming soon!