21204374880

Names of 21204374880

• Cardinal: 21204374880 can be written as Twenty-one billion, two hundred four million, three hundred seventy-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.120437488 × 10¹⁰

Factors of 21204374880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4225

Divisors of 21204374880

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1093 1248 1560 2080 2186 3109 3120 3279 4372 5465 6218 6240 6558 8744 9327 10930 12436 13116 14209 15545 16395 17488 18654 21860 24872 26232 28418 31090 32790 34976 37308 40417 42627 43720 46635 49744 52464 56836 62180 65580 71045 74616 80834 85254 87440 93270 99488 104928 113672 121251 124360 131160 142090 149232 161668 170508 174880 186540 202085 213135 227344 242502 248720 262320 284180 298464 323336 341016 373080 404170 426270 454688 485004 497440 524640 568360 606255 646672 682032 746160 808340 852540 970008 1136720 1212510 1293344 1364064 1492320 1616680 1705080 1940016 2273440 2425020 3233360 3398137 3410160 3880032 4850040 6466720 6796274 6820320 9700080 10194411 13592548 16990685 19400160 20388822 27185096 33981370 40777644 44175781 50972055 54370192 67962740 81555288 88351562 101944110 108740384 132527343 135925480 163110576 176703124 203888220 220878905 265054686 271850960 326221152 353406248 407776440 441757810 530109372 543701920 662636715 706812496 815552880 883515620 1060218744 1325273430 1413624992 1631105760 1767031240 2120437488 2650546860 3534062480 4240874976 5301093720 7068124960 10602187440 21204374880
• Sum of all divisors σ(n): 72020733120
• Sum of proper divisors (its aliquot sum) s(n): 50816358240
• 21204374880 is an abundant number, because the sum of its proper divisors (50816358240) is greater than itself. Its abundance is 29611983360

Bases of 21204374880

• Binary: 10011101111111000010001010101100000₂
• Hexadecimal: 0x4EFE11560
• Base-36: 9QOJCDC

Squares and roots of 21204374880

• 21204374880 squared (21204374880²) is 449625514051575014400
• 21204374880 cubed (21204374880³) is 9534027955562304259778998272000
• The square root of 21204374880 is 145617.2204102249
• The cube root of 21204374880 is 2767.8453740459

Scales and comparisons

• 21,204,374,880 seconds is equal to 674 years, 12 weeks, 1 day, 8 minutes.
• To count from 1 to 21,204,374,880 would take you about one thousand, three hundred forty-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 21204374880 cubic inches would be around 230.7 feet tall.

Recreational maths with 21204374880

• 21204374880 backwards is 08847340212
• 21204374880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21204374880's digits is 39
• More coming soon!