21040896940
21,040,896,940 is an even composite number composed of six prime numbers multiplied together.
21040896940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21040896940:
22 × 5 × 72 × 17 × 733 × 1723
(2 × 2 × 5 × 7 × 7 × 17 × 733 × 1723)See below for interesting mathematical facts about the number 21040896940 from the Numbermatics database.
Names of 21040896940
- Cardinal: 21040896940 can be written as Twenty-one billion, forty million, eight hundred ninety-six thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.104089694 × 1010
Factors of 21040896940
Divisors of 21040896940
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 14 17 20 28 34 35 49 68 70 85 98 119 140 170 196 238 245 340 476 490 595 733 833 980 1190 1466 1666 1723 2380 2932 3332 3446 3665 4165 5131 6892 7330 8330 8615 10262 12061 12461 14660 16660 17230 20524 24122 24922 25655 29291 34460 35917 48244 49844 51310 58582 60305 62305 71834 84427 87227 102620 117164 120610 124610 143668 146455 168854 174454 179585 205037 241220 249220 292910 337708 348908 359170 410074 422135 436135 585820 610589 718340 820148 844270 872270 1025185 1221178 1262959 1435259 1688540 1744540 2050370 2442356 2525918 2870518 3052945 4100740 5051836 5741036 6105890 6314795 7176295 8840713 12211780 12629590 14352590 17681426 21470303 25259180 28705180 35362852 42940606 44203565 61884991 85881212 88407130 107351515 123769982 150292121 176814260 214703030 247539964 300584242 309424955 429406060 601168484 618849910 751460605 1052044847 1237699820 1502921210 2104089694 3005842420 4208179388 5260224235 10520448470 21040896940
- Sum of all divisors σ(n): 54529306272
- Sum of proper divisors (its aliquot sum) s(n): 33488409332
- 21040896940 is an abundant number, because the sum of its proper divisors (33488409332) is greater than itself. Its abundance is 12447512392
Bases of 21040896940
- Binary: 100111001100010001010011011101011002
- Hexadecimal: 0x4E6229BAC
- Base-36: 9NZ7FZG
Squares and roots of 21040896940
- 21040896940 squared (210408969402) is 442719344039701363600
- 21040896940 cubed (210408969403) is 9315212091283759659885067384000
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The
square root of 21040896940 is 145054.8066766491 -
The
cube root of 21040896940 is 2760.7139920981
Scales and comparisons
How big is 21040896940?- 21,040,896,940 seconds is equal to 669 years, 1 week, 5 days, 21 hours, 35 minutes, 40 seconds.
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To count from 1 to 21,040,896,940 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 21040896940 cubic inches would be around 230.1 feet tall.
Recreational maths with 21040896940
- 21040896940 backwards is 04969804012
- The number of decimal digits it has is: 11
- The sum of 21040896940's digits is 43
- More coming soon!
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