20708870490
20,708,870,490 is an even composite number composed of six prime numbers multiplied together.
20708870490 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 20708870490:
2 × 32 × 5 × 72 × 112 × 1972
(2 × 3 × 3 × 5 × 7 × 7 × 11 × 11 × 197 × 197)See below for interesting mathematical facts about the number 20708870490 from the Numbermatics database.
Names of 20708870490
- Cardinal: 20708870490 can be written as Twenty billion, seven hundred eight million, eight hundred seventy thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.070887049 × 1010
Factors of 20708870490
Divisors of 20708870490
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 49 55 63 66 70 77 90 98 99 105 110 121 126 147 154 165 197 198 210 231 242 245 294 315 330 363 385 394 441 462 490 495 539 591 605 630 693 726 735 770 847 882 985 990 1078 1089 1155 1182 1210 1379 1386 1470 1617 1694 1773 1815 1970 2167 2178 2205 2310 2541 2695 2758 2955 3234 3465 3546 3630 4137 4235 4334 4410 4851 5082 5390 5445 5910 5929 6501 6895 6930 7623 8085 8274 8470 8865 9653 9702 10835 10890 11858 12411 12705 13002 13790 15169 15246 16170 17730 17787 19306 19503 20685 21670 23837 24255 24822 25410 28959 29645 30338 32505 35574 38115 38809 39006 41370 45507 47674 48265 48510 53361 57918 59290 62055 65010 71511 75845 76230 77618 86877 88935 91014 96530 97515 106183 106722 116427 119185 124110 136521 143022 144795 151690 166859 173754 177870 194045 195030 212366 214533 227535 232854 238370 266805 271663 273042 289590 318549 333718 349281 357555 388090 426899 429066 434385 455070 500577 530915 533610 543326 582135 637098 682605 698562 715110 814989 834295 853798 868770 955647 1001154 1061830 1072665 1164270 1168013 1280697 1358315 1365210 1501731 1592745 1629978 1668590 1746405 1901641 1911294 2134495 2145330 2336026 2444967 2502885 2561394 2716630 2988293 3003462 3185490 3492810 3504039 3803282 3842091 4074945 4268990 4695889 4778235 4889934 5005770 5704923 5840065 5976586 6403485 7008078 7508655 7684182 8149890 8964879 9391778 9508205 9556470 10512117 11409846 11680130 12224835 12806970 14087667 14941465 15017310 17114769 17520195 17929758 19016410 19210455 20918051 21024234 23479445 24449670 26894637 28175334 28524615 29882930 32871223 34229538 35040390 38420910 41836102 42263001 44824395 46958890 52560585 53789274 57049230 62754153 65742446 70438335 84526002 85573845 89648790 98613669 104590255 105121170 125508306 134473185 140876670 164356115 171147690 188262459 197227338 209180510 211315005 230098561 268946370 295841007 313770765 328712230 376524918 422630010 460197122 493068345 591682014 627541530 690295683 941312295 986136690 1150492805 1380591366 1479205035 1882624590 2070887049 2300985610 2958410070 3451478415 4141774098 6902956830 10354435245 20708870490
- Sum of all divisors σ(n): 69196623678
- Sum of proper divisors (its aliquot sum) s(n): 48487753188
- 20708870490 is an abundant number, because the sum of its proper divisors (48487753188) is greater than itself. Its abundance is 27778882698
Bases of 20708870490
- Binary: 100110100100101100001001001010110102
- Hexadecimal: 0x4D258495A
- Base-36: 9IHIYQI
Squares and roots of 20708870490
- 20708870490 squared (207088704902) is 428857316971592840100
- 20708870490 cubed (207088704903) is 8881150635853595134642178649000
-
The
square root of 20708870490 is 143905.7694812823 -
The
cube root of 20708870490 is 2746.1155289659
Scales and comparisons
How big is 20708870490?- 20,708,870,490 seconds is equal to 658 years, 24 weeks, 6 days, 1 minute, 30 seconds.
-
To count from 1 to 20,708,870,490 would take you about one thousand, three hundred sixteen 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 20708870490 cubic inches would be around 228.8 feet tall.
Recreational maths with 20708870490
- 20708870490 backwards is 09407880702
- 20708870490 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20708870490's digits is 45
- More coming soon!
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