20921838080

Names of 20921838080

• Cardinal: 20921838080 can be written as Twenty billion, nine hundred twenty-one million, eight hundred thirty-eight thousand and eighty.

Scientific notation

• Scientific notation: 2.092183808 × 10¹⁰

Factors of 20921838080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 951

Divisors of 20921838080

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 67 80 88 104 110 128 130 134 143 160 176 208 220 256 260 268 286 320 335 352 416 440 512 520 536 572 640 670 704 715 737 832 853 871 880 1040 1072 1144 1280 1340 1408 1430 1474 1664 1706 1742 1760 2080 2144 2288 2560 2680 2816 2860 2948 3328 3412 3484 3520 3685 4160 4265 4288 4355 4576 5360 5632 5720 5896 6656 6824 6968 7040 7370 8320 8530 8576 8710 9152 9383 9581 10720 11089 11440 11792 13648 13936 14080 14740 16640 17060 17152 17420 18304 18766 19162 21440 22178 22880 23584 27296 27872 28160 29480 33280 34120 34304 34840 36608 37532 38324 42880 44356 45760 46915 47168 47905 54592 55445 55744 57151 58960 68240 69680 73216 75064 76648 85760 88712 91520 93830 94336 95810 109184 110890 111488 114302 117920 121979 136480 139360 150128 153296 171520 177424 183040 187660 188672 191620 218368 221780 222976 228604 235840 243958 272960 278720 285755 300256 306592 354848 366080 375320 377344 383240 436736 443560 445952 457208 471680 487916 545920 557440 571510 600512 609895 613184 628661 709696 742963 750640 766480 887120 914416 943360 975832 1091840 1114880 1143020 1201024 1219790 1226368 1257322 1419392 1485926 1501280 1532960 1774240 1828832 1886720 1951664 2183680 2229760 2286040 2402048 2439580 2452736 2514644 2838784 2971852 3002560 3065920 3143305 3548480 3657664 3714815 3903328 4572080 4804096 4879160 4905472 5029288 5677568 5943704 6005120 6131840 6286610 7096960 7315328 7429630 7806656 8172593 9144160 9758320 10058576 11887408 12010240 12263680 12573220 14193920 14630656 14859260 15613312 16345186 18288320 19516640 20117152 23774816 24020480 24527360 25146440 28387840 29261312 29718520 31226624 32690372 36576640 39033280 40234304 40862965 47549632 50292880 59437040 62453248 65380744 73153280 78066560 80468608 81725930 95099264 100585760 118874080 130761488 146306560 156133120 160937216 163451860 190198528 201171520 237748160 261522976 312266240 321874432 326903720 380397056 402343040 475496320 523045952 653807440 804686080 950992640 1046091904 1307614880 1609372160 1901985280 2092183808 2615229760 4184367616 5230459520 10460919040 20921838080
• Sum of all divisors σ(n): 59882917248
• Sum of proper divisors (its aliquot sum) s(n): 38961079168
• 20921838080 is an abundant number, because the sum of its proper divisors (38961079168) is greater than itself. Its abundance is 18039241088

Bases of 20921838080

• Binary: 10011011111000010011110101000000000₂
• Hexadecimal: 0x4DF09EA00
• Base-36: 9M0BLKW

Squares and roots of 20921838080

• 20921838080 squared (20921838080²) is 437723308645738086400
• 20921838080 cubed (20921838080³) is 9157976187327996325749850112000
• The square root of 20921838080 is 144643.8318076511
• The cube root of 20921838080 is 2755.4970191443

Scales and comparisons

• 20,921,838,080 seconds is equal to 665 years, 12 weeks, 6 days, 21 hours, 41 minutes, 20 seconds.
• To count from 1 to 20,921,838,080 would take you about one thousand, three hundred thirty 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 20921838080 cubic inches would be around 229.6 feet tall.

Recreational maths with 20921838080

• 20921838080 backwards is 08083812902
• The number of decimal digits it has is: 11
• The sum of 20921838080's digits is 41
• More coming soon!