21008481000
21,008,481,000 is an even composite number composed of six prime numbers multiplied together.
21008481000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21008481000:
23 × 3 × 53 × 13 × 17 × 31687
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 13 × 17 × 31687)See below for interesting mathematical facts about the number 21008481000 from the Numbermatics database.
Names of 21008481000
- Cardinal: 21008481000 can be written as Twenty-one billion, eight million, four hundred eighty-one thousand.
Scientific notation
- Scientific notation: 2.1008481 × 1010
Factors of 21008481000
Divisors of 21008481000
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 17 20 24 25 26 30 34 39 40 50 51 52 60 65 68 75 78 85 100 102 104 120 125 130 136 150 156 170 195 200 204 221 250 255 260 300 312 325 340 375 390 408 425 442 500 510 520 600 650 663 680 750 780 850 884 975 1000 1020 1105 1275 1300 1326 1500 1560 1625 1700 1768 1950 2040 2125 2210 2550 2600 2652 3000 3250 3315 3400 3900 4250 4420 4875 5100 5304 5525 6375 6500 6630 7800 8500 8840 9750 10200 11050 12750 13000 13260 16575 17000 19500 22100 25500 26520 27625 31687 33150 39000 44200 51000 55250 63374 66300 82875 95061 110500 126748 132600 158435 165750 190122 221000 253496 316870 331500 380244 411931 475305 538679 633740 663000 760488 792175 823862 950610 1077358 1235793 1267480 1584350 1616037 1647724 1901220 2059655 2154716 2376525 2471586 2693395 3168700 3232074 3295448 3802440 3960875 4119310 4309432 4753050 4943172 5386790 6178965 6337400 6464148 7002827 7921750 8080185 8238620 9506100 9886344 10298275 10773580 11882625 12357930 12928296 13466975 14005654 15843500 16160370 16477240 19012200 20596550 21008481 21547160 23765250 24715860 26933950 28011308 30894825 31687000 32320740 35014135 40400925 41193100 42016962 47530500 49431720 51491375 53867900 56022616 61789650 64641480 67334875 70028270 80801850 82386200 84033924 95061000 102982750 105042405 107735800 123579300 134669750 140056540 154474125 161603700 168067848 175070675 202004625 205965500 210084810 247158600 269339500 280113080 308948250 323207400 350141350 404009250 411931000 420169620 525212025 538679000 617896500 700282700 808018500 840339240 875353375 1050424050 1235793000 1400565400 1616037000 1750706750 2100848100 2626060125 3501413500 4201696200 5252120250 7002827000 10504240500 21008481000
- Sum of all divisors σ(n): 74743119360
- Sum of proper divisors (its aliquot sum) s(n): 53734638360
- 21008481000 is an abundant number, because the sum of its proper divisors (53734638360) is greater than itself. Its abundance is 32726157360
Bases of 21008481000
- Binary: 100111001000011001111111010111010002
- Hexadecimal: 0x4E433FAE8
- Base-36: 9NFWNOO
Squares and roots of 21008481000
- 21008481000 squared (210084810002) is 441356273927361000000
- 21008481000 cubed (210084810003) is 9272224895033758948641000000000
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The
square root of 21008481000 is 144943.0267380947 -
The
cube root of 21008481000 is 2759.2955301393
Scales and comparisons
How big is 21008481000?- 21,008,481,000 seconds is equal to 668 years, 1 day, 17 hours, 10 minutes.
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To count from 1 to 21,008,481,000 would take you about one thousand, three hundred thirty-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 21008481000 cubic inches would be around 229.9 feet tall.
Recreational maths with 21008481000
- 21008481000 backwards is 00018480012
- 21008481000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21008481000's digits is 24
- More coming soon!
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