21988094520
21,988,094,520 is an even composite number composed of seven prime numbers multiplied together.
21988094520 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21988094520:
23 × 3 × 5 × 7 × 151 × 229 × 757
(2 × 2 × 2 × 3 × 5 × 7 × 151 × 229 × 757)See below for interesting mathematical facts about the number 21988094520 from the Numbermatics database.
Names of 21988094520
- Cardinal: 21988094520 can be written as Twenty-one billion, nine hundred eighty-eight million, ninety-four thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.198809452 × 1010
Factors of 21988094520
Divisors of 21988094520
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 151 168 210 229 280 302 420 453 458 604 687 755 757 840 906 916 1057 1145 1208 1374 1510 1514 1603 1812 1832 2114 2265 2271 2290 2748 3020 3028 3171 3206 3435 3624 3785 4228 4530 4542 4580 4809 5285 5299 5496 6040 6056 6342 6412 6870 7570 8015 8456 9060 9084 9160 9618 10570 10598 11355 12684 12824 13740 15140 15855 15897 16030 18120 18168 19236 21140 21196 22710 24045 25368 26495 27480 30280 31710 31794 32060 34579 38472 42280 42392 45420 48090 52990 63420 63588 64120 69158 79485 90840 96180 103737 105980 114307 126840 127176 138316 158970 172895 173353 192360 207474 211960 228614 242053 276632 317940 342921 345790 346706 414948 457228 484106 518685 520059 571535 635880 685842 691580 693412 726159 800149 829896 866765 914456 968212 1037370 1040118 1143070 1210265 1213471 1371684 1383160 1386824 1452318 1600298 1714605 1733530 1936424 2074740 2080236 2286140 2400447 2420530 2426942 2600295 2743368 2904636 3200596 3429210 3467060 3630795 3640413 4000745 4149480 4160472 4572280 4800894 4841060 4853884 5200590 5809272 6067355 6401192 6858420 6934120 7261590 7280826 8001490 9601788 9682120 9707768 10401180 12002235 12134710 13716840 14523180 14561652 16002980 18202065 19203576 20802360 24004470 24269420 26176303 29046360 29123304 32005960 36404130 48008940 48538840 52352606 72808260 78528909 96017880 104705212 130881515 145616520 157057818 183234121 209410424 261763030 314115636 366468242 392644545 523526060 549702363 628231272 732936484 785289090 916170605 1047052120 1099404726 1465872968 1570578180 1832341210 2198809452 2748511815 3141156360 3664682420 4397618904 5497023630 7329364840 10994047260 21988094520
- Sum of all divisors σ(n): 76319078400
- Sum of proper divisors (its aliquot sum) s(n): 54330983880
- 21988094520 is an abundant number, because the sum of its proper divisors (54330983880) is greater than itself. Its abundance is 32342889360
Bases of 21988094520
- Binary: 101000111101001011110110010001110002
- Hexadecimal: 0x51E97B238
- Base-36: A3N56BC
Squares and roots of 21988094520
- 21988094520 squared (219880945202) is 483476300620454030400
- 21988094520 cubed (219880945203) is 10630722596222477865750153408000
-
The
square root of 21988094520 is 148283.8309459261 -
The
cube root of 21988094520 is 2801.5337906155
Scales and comparisons
How big is 21988094520?- 21,988,094,520 seconds is equal to 699 years, 7 weeks, 6 days, 20 hours, 2 minutes.
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To count from 1 to 21,988,094,520 would take you about one thousand, three hundred ninety-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 21988094520 cubic inches would be around 233.5 feet tall.
Recreational maths with 21988094520
- 21988094520 backwards is 02549088912
- The number of decimal digits it has is: 11
- The sum of 21988094520's digits is 48
- More coming soon!
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