21494201760

Names of 21494201760

• Cardinal: 21494201760 can be written as Twenty-one billion, four hundred ninety-four million, two hundred one thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.149420176 × 10¹⁰

Factors of 21494201760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2884

Divisors of 21494201760

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 73 80 90 96 120 144 146 160 180 219 240 288 292 360 365 438 480 584 657 720 730 876 1095 1168 1314 1440 1460 1752 2190 2336 2628 2801 2920 3285 3504 4380 5256 5329 5602 5840 6570 7008 8403 8760 10512 10658 11204 11680 13140 14005 15987 16806 17520 21024 21316 22408 25209 26280 26645 28010 31974 33612 35040 42015 42632 44816 47961 50418 52560 53290 56020 63948 67224 79935 84030 85264 89632 95922 100836 105120 106580 112040 126045 127896 134448 159870 168060 170528 191844 201672 204473 213160 224080 239805 252090 255792 268896 319740 336120 383688 403344 408946 426320 448160 479610 504180 511584 613419 639480 672240 767376 806688 817892 852640 959220 1008360 1022365 1226838 1278960 1344480 1534752 1635784 1840257 1918440 2016720 2044730 2453676 2557920 3067095 3271568 3680514 3836880 4033440 4089460 4907352 6134190 6543136 7361028 7673760 8178920 9201285 9814704 12268380 14722056 14926529 16357840 18402570 19629408 24536760 29444112 29853058 32715680 36805140 44779587 49073520 58888224 59706116 73610280 74632645 89559174 98147040 119412232 134338761 147220560 149265290 179118348 223897935 238824464 268677522 294441120 298530580 358236696 447795870 477648928 537355044 597061160 671693805 716473392 895591740 1074710088 1194122320 1343387610 1432946784 1791183480 2149420176 2388244640 2686775220 3582366960 4298840352 5373550440 7164733920 10747100880 21494201760
• Sum of all divisors σ(n): 74394058284
• Sum of proper divisors (its aliquot sum) s(n): 52899856524
• 21494201760 is an abundant number, because the sum of its proper divisors (52899856524) is greater than itself. Its abundance is 31405654764

Bases of 21494201760

• Binary: 10100000001001001110111110110100000₂
• Hexadecimal: 0x501277DA0
• Base-36: 9VH3C80

Squares and roots of 21494201760

• 21494201760 squared (21494201760²) is 462000709299587097600
• 21494201760 cubed (21494201760³) is 9930336458948433360507211776000
• The square root of 21494201760 is 146609.0098186329
• The cube root of 21494201760 is 2780.3988938163

Scales and comparisons

• 21,494,201,760 seconds is equal to 683 years, 23 weeks, 2 days, 11 hours, 36 minutes.
• To count from 1 to 21,494,201,760 would take you about one thousand, three hundred sixty-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 21494201760 cubic inches would be around 231.7 feet tall.

Recreational maths with 21494201760

• 21494201760 backwards is 06710249412
• 21494201760 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21494201760's digits is 36
• More coming soon!