21037187304

Names of 21037187304

• Cardinal: 21037187304 can be written as Twenty-one billion, thirty-seven million, one hundred eighty-seven thousand, three hundred four.

Scientific notation

• Scientific notation: 2.1037187304 × 10¹⁰

Factors of 21037187304

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 168

Divisors of 21037187304

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 73 83 84 126 146 166 168 219 249 252 292 332 438 498 504 511 581 584 657 664 747 876 996 1022 1162 1314 1494 1533 1743 1752 1992 2044 2324 2628 2988 3066 3486 4088 4599 4648 5229 5256 5976 6059 6132 6889 6972 9198 10458 12118 12264 13778 13944 18177 18396 20667 20916 24236 27556 36354 36792 41334 41832 42413 48223 48472 54531 55112 62001 72708 82668 84826 96446 109062 124002 127239 144669 145416 165336 169652 192892 218124 248004 254478 289338 339304 381717 385784 434007 436248 496008 502897 508956 571787 578676 763434 868014 1005794 1017912 1143574 1157352 1508691 1526868 1715361 1736028 2011588 2287148 3017382 3053736 3430722 3472056 3520279 4002509 4023176 4526073 4574296 5146083 6034764 6861444 7040558 8005018 9052146 10292166 10560837 12007527 12069528 13722888 14081116 16010036 18104292 20584332 21121674 24015054 28162232 31682511 32020072 36022581 36208584 41168664 41740451 42243348 48030108 63365022 72045162 83480902 84486696 96060216 125221353 126730044 144090324 166961804 250442706 253460088 288180648 292183157 333923608 375664059 500885412 584366314 751328118 876549471 1001770824 1168732628 1502656236 1753098942 2337465256 2629648413 3005312472 3506197884 5259296826 7012395768 10518593652 21037187304
• Sum of all divisors σ(n): 66812054400
• Sum of proper divisors (its aliquot sum) s(n): 45774867096
• 21037187304 is an abundant number, because the sum of its proper divisors (45774867096) is greater than itself. Its abundance is 24737679792

Bases of 21037187304

• Binary: 10011100101111010100000000011101000₂
• Hexadecimal: 0x4E5EA00E8
• Base-36: 9NWZXM0

Squares and roots of 21037187304

• 21037187304 squared (21037187304²) is 442563249663578788416
• 21037187304 cubed (21037187304³) is 9310285977039621958868777470464
• The square root of 21037187304 is 145042.0190979153
• The cube root of 21037187304 is 2760.5517390983

Scales and comparisons

• 21,037,187,304 seconds is equal to 668 years, 47 weeks, 4 days, 23 hours, 8 minutes, 24 seconds.
• To count from 1 to 21,037,187,304 would take you about one thousand, three hundred thirty-seven 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 21037187304 cubic inches would be around 230 feet tall.

Recreational maths with 21037187304

• 21037187304 backwards is 40378173012
• 21037187304 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21037187304's digits is 36
• More coming soon!