21141512320

Names of 21141512320

• Cardinal: 21141512320 can be written as Twenty-one billion, one hundred forty-one million, five hundred twelve thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.114151232 × 10¹⁰

Factors of 21141512320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 153

Divisors of 21141512320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 67 79 80 128 134 158 160 268 316 320 335 395 536 632 640 670 790 1072 1264 1340 1580 2144 2528 2680 3160 4288 5056 5293 5360 6241 6320 8576 10112 10586 10720 12482 12640 21172 21440 24964 25280 26465 31205 42344 42880 49928 50560 52930 62410 84688 99856 105860 124820 169376 199712 211720 249640 338752 399424 418147 423440 493039 499280 677504 798848 836294 846880 986078 998560 1672588 1693760 1972156 1997120 2090735 2465195 3345176 3387520 3944312 3994240 4181470 4930390 6690352 7888624 8362940 9860780 13380704 15777248 16725880 19721560 26761408 31554496 33033613 33451760 39443120 53522816 63108992 66067226 66903520 78886240 132134452 133807040 157772480 165168065 264268904 267614080 315544960 330336130 528537808 660672260 1057075616 1321344520 2114151232 2642689040 4228302464 5285378080 10570756160 21141512320
• Sum of all divisors σ(n): 51953414400
• Sum of proper divisors (its aliquot sum) s(n): 30811902080
• 21141512320 is an abundant number, because the sum of its proper divisors (30811902080) is greater than itself. Its abundance is 9670389760

Bases of 21141512320

• Binary: 10011101100001000011110000010000000₂
• Hexadecimal: 0x4EC21E080
• Base-36: 9PN3ZB4

Squares and roots of 21141512320

• 21141512320 squared (21141512320²) is 446963543176711782400
• 21141512320 cubed (21141512320³) is 9449485254661304084698759168000
• The square root of 21141512320 is 145401.2115492853
• The cube root of 21141512320 is 2765.1074788153

Scales and comparisons

• 21,141,512,320 seconds is equal to 672 years, 12 weeks, 1 day, 10 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,141,512,320 would take you about one thousand, three hundred forty-four 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 21141512320 cubic inches would be around 230.4 feet tall.

Recreational maths with 21141512320

• 21141512320 backwards is 02321514112
• The number of decimal digits it has is: 11
• The sum of 21141512320's digits is 22
• More coming soon!