21688671888
21,688,671,888 is an even composite number composed of six prime numbers multiplied together.
21688671888 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21688671888:
24 × 33 × 13 × 47 × 127 × 647
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 13 × 47 × 127 × 647)See below for interesting mathematical facts about the number 21688671888 from the Numbermatics database.
Names of 21688671888
- Cardinal: 21688671888 can be written as Twenty-one billion, six hundred eighty-eight million, six hundred seventy-one thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1688671888 × 1010
Factors of 21688671888
Divisors of 21688671888
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 47 48 52 54 72 78 94 104 108 117 127 141 144 156 188 208 216 234 254 282 312 351 376 381 423 432 468 508 564 611 624 647 702 752 762 846 936 1016 1128 1143 1222 1269 1294 1404 1524 1651 1692 1833 1872 1941 2032 2256 2286 2444 2538 2588 2808 3048 3302 3384 3429 3666 3882 4572 4888 4953 5076 5176 5499 5616 5823 5969 6096 6604 6768 6858 7332 7764 8411 9144 9776 9906 10152 10352 10998 11646 11938 13208 13716 14664 14859 15528 16497 16822 17469 17907 18288 19812 20304 21996 23292 23876 25233 26416 27432 29328 29718 30409 31056 32994 33644 34938 35814 39624 43992 44577 46584 47752 50466 53721 54864 59436 60818 65988 67288 69876 71628 75699 77597 79248 82169 87984 89154 91227 93168 95504 100932 107442 118872 121636 131976 134576 139752 143256 151398 155194 161163 164338 178308 182454 201864 214884 227097 232791 237744 243272 246507 263952 273681 279504 286512 302796 310388 322326 328676 356616 364908 395317 403728 429768 454194 465582 486544 493014 547362 605592 620776 644652 657352 698373 713232 729816 739521 790634 821043 859536 908388 931164 986028 1068197 1094724 1185951 1211184 1241552 1289304 1314704 1396746 1459632 1479042 1581268 1642086 1816776 1862328 1972056 2095119 2136394 2189448 2218563 2371902 2578608 2793492 2958084 3162536 3204591 3284172 3557853 3633552 3724656 3861943 3944112 4190238 4272788 4378896 4437126 4743804 5586984 5916168 6325072 6409182 6568344 7115706 7723886 8380476 8545576 8874252 9487608 9613773 10673559 11173968 11585829 11832336 12818364 13136688 14231412 15447772 16760952 17091152 17748504 18975216 19227546 21347118 23171658 25636728 28462824 28841319 30895544 33521904 34757487 35497008 38455092 42694236 46343316 50205259 51273456 56925648 57682638 61791088 69514974 76910184 85388472 92686632 100410518 104272461 115365276 139029948 150615777 153820368 170776944 185373264 200821036 208544922 230730552 278059896 301231554 401642072 417089844 451847331 461461104 556119792 602463108 803284144 834179688 903694662 1204926216 1355541993 1668359376 1807389324 2409852432 2711083986 3614778648 5422167972 7229557296 10844335944 21688671888
- Sum of all divisors σ(n): 69115576320
- Sum of proper divisors (its aliquot sum) s(n): 47426904432
- 21688671888 is an abundant number, because the sum of its proper divisors (47426904432) is greater than itself. Its abundance is 25738232544
Bases of 21688671888
- Binary: 101000011001011111011011110100100002
- Hexadecimal: 0x50CBEDE90
- Base-36: 9YOVIC0
Squares and roots of 21688671888
- 21688671888 squared (216886718882) is 470398488265321484544
- 21688671888 cubed (216886718883) is 10202318468597775967111879299072
-
The
square root of 21688671888 is 147270.7434896693 -
The
cube root of 21688671888 is 2788.7590087321
Scales and comparisons
How big is 21688671888?- 21,688,671,888 seconds is equal to 689 years, 32 weeks, 6 days, 7 hours, 4 minutes, 48 seconds.
-
To count from 1 to 21,688,671,888 would take you about one thousand, three hundred seventy-nine 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 21688671888 cubic inches would be around 232.4 feet tall.
Recreational maths with 21688671888
- 21688671888 backwards is 88817688612
- The number of decimal digits it has is: 11
- The sum of 21688671888's digits is 63
- More coming soon!
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