21052884320

Names of 21052884320

• Cardinal: 21052884320 can be written as Twenty-one billion, fifty-two million, eight hundred eighty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.105288432 × 10¹⁰

Factors of 21052884320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 308

Divisors of 21052884320

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 65 68 80 85 104 130 136 160 169 170 208 221 260 271 272 338 340 416 442 520 542 544 676 680 845 884 1040 1084 1105 1352 1355 1360 1690 1768 2080 2168 2197 2210 2704 2710 2720 2873 3380 3523 3536 4336 4394 4420 4607 5408 5420 5746 6760 7046 7072 8672 8788 8840 9214 10840 10985 11492 13520 14092 14365 17576 17615 17680 18428 21680 21970 22984 23035 27040 28184 28561 28730 35152 35230 35360 36856 37349 43360 43940 45799 45968 46070 56368 57122 57460 59891 70304 70460 73712 74698 87880 91598 91936 92140 112736 114244 114920 119782 140920 142805 147424 149396 175760 183196 184280 186745 228488 228995 229840 239564 281840 285610 298792 299455 351520 366392 368560 373490 456976 457990 459680 479128 485537 563680 571220 595387 597584 598910 732784 737120 746980 778583 913952 915980 958256 971074 1142440 1190774 1195168 1197820 1465568 1493960 1557166 1831960 1916512 1942148 2284880 2381548 2395640 2427685 2976935 2987920 3114332 3663920 3884296 3892915 4569760 4763096 4791280 4855370 5953870 5975840 6228664 7327840 7740031 7768592 7785830 9526192 9582560 9710740 10121579 11907740 12457328 15480062 15537184 15571660 19052384 19421480 20243158 23815480 24914656 30960124 31143320 38700155 38842960 40486316 47630960 50607895 61920248 62286640 77400310 77685920 80972632 95261920 101215790 123840496 124573280 131580527 154800620 161945264 202431580 247680992 263161054 309601240 323890528 404863160 526322108 619202480 657902635 809726320 1052644216 1238404960 1315805270 1619452640 2105288432 2631610540 4210576864 5263221080 10526442160 21052884320
• Sum of all divisors σ(n): 57262137408
• Sum of proper divisors (its aliquot sum) s(n): 36209253088
• 21052884320 is an abundant number, because the sum of its proper divisors (36209253088) is greater than itself. Its abundance is 15156368768

Bases of 21052884320

• Binary: 10011100110110110011000010101100000₂
• Hexadecimal: 0x4E6D98560
• Base-36: 9O6CDI8

Squares and roots of 21052884320

• 21052884320 squared (21052884320²) is 443223938191301862400
• 21052884320 cubed (21052884320³) is 9331142298596308139307757568000
• The square root of 21052884320 is 145096.1209681361
• The cube root of 21052884320 is 2761.2381688173

Scales and comparisons

• 21,052,884,320 seconds is equal to 669 years, 21 weeks, 4 days, 15 hours, 25 minutes, 20 seconds.
• To count from 1 to 21,052,884,320 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 21052884320 cubic inches would be around 230.1 feet tall.

Recreational maths with 21052884320

• 21052884320 backwards is 02348825012
• The number of decimal digits it has is: 11
• The sum of 21052884320's digits is 35
• More coming soon!