21429753345
21,429,753,345 is an odd composite number composed of seven prime numbers multiplied together.
21429753345 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21429753345:
32 × 5 × 74 × 11 × 13 × 19 × 73
(3 × 3 × 5 × 7 × 7 × 7 × 7 × 11 × 13 × 19 × 73)See below for interesting mathematical facts about the number 21429753345 from the Numbermatics database.
Names of 21429753345
- Cardinal: 21429753345 can be written as Twenty-one billion, four hundred twenty-nine million, seven hundred fifty-three thousand, three hundred forty-five.
Scientific notation
- Scientific notation: 2.1429753345 × 1010
Factors of 21429753345
Divisors of 21429753345
- Number of divisors d(n): 480
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Complete list of divisors:
1 3 5 7 9 11 13 15 19 21 33 35 39 45 49 55 57 63 65 73 77 91 95 99 105 117 133 143 147 165 171 195 209 219 231 245 247 273 285 315 343 365 385 399 429 441 455 495 511 539 585 627 637 657 665 693 715 735 741 803 819 855 931 949 1001 1029 1045 1095 1155 1197 1235 1287 1365 1387 1463 1533 1617 1715 1729 1881 1911 1995 2145 2205 2223 2401 2409 2555 2695 2717 2793 2847 3003 3087 3135 3185 3285 3465 3577 3705 3773 4015 4095 4161 4389 4459 4599 4655 4745 4851 5005 5145 5187 5621 5733 5985 6435 6517 6643 6935 7007 7203 7227 7315 7665 8085 8151 8379 8541 8645 9009 9405 9555 9709 10241 10439 10731 11115 11319 12005 12045 12103 12483 13167 13377 13585 13965 14235 15015 15257 15435 15561 16863 17885 18031 18865 19019 19551 19929 20805 21021 21609 21945 22295 22995 24255 24453 25039 25935 26411 28105 28665 29127 30723 31213 31317 32193 32585 33215 33957 35035 36015 36135 36309 39347 40131 40755 41895 42705 45045 45619 45771 46501 48545 49049 50589 51205 52195 53655 54093 56595 57057 58653 59787 60515 62415 63063 65835 66885 67963 71687 73073 75117 76285 77805 79233 84315 84721 87381 90155 92169 93639 93951 95095 97755 99645 105105 106799 108045 108927 118041 122265 125195 126217 132055 133133 136857 137313 139503 145635 147147 153615 156065 156585 160965 162279 169785 171171 175273 181545 196735 198341 200655 203889 215061 219219 225351 228095 228855 232505 237699 245245 252945 254163 270465 275429 280917 285285 293265 298935 315315 320397 325507 339815 343343 354123 358435 365365 375585 378651 396165 399399 410571 418509 423605 436905 441441 460845 468195 469755 475741 501809 511511 525819 533995 544635 590205 593047 595023 611667 631085 645183 657657 665665 684285 686565 697515 735735 747593 762489 811395 826287 855855 876365 883519 931931 961191 976521 991705 1019445 1030029 1075305 1096095 1126755 1135953 1188495 1198197 1270815 1377145 1388387 1404585 1427223 1505427 1534533 1577457 1601985 1627535 1716715 1770615 1779141 1785069 1893255 1928003 1996995 2052855 2092545 2207205 2242779 2278549 2378705 2478861 2509045 2557555 2629095 2650557 2795793 2929563 2965235 2975115 3058335 3090087 3225915 3288285 3330187 3580577 3737965 3812445 4131435 4165161 4281669 4417595 4516281 4603599 4659655 4805955 4882605 5150145 5233151 5337423 5679765 5784009 5990985 6184633 6523517 6728337 6835647 6941935 7136115 7527135 7672665 7887285 7951671 8387379 8895705 8925345 9640015 9718709 9990561 10741731 11213895 11392745 12394305 12495483 13252785 13978965 14647815 15450435 15699453 16650935 17352027 17902885 18553899 19570551 20506941 20825805 21408345 22581405 23017995 25064039 26165755 26687115 28920045 29156127 29971683 30923165 32225193 32617585 33641685 34178235 36632057 39758355 41936895 43292431 47098359 48593545 49952805 53708655 55661697 58711653 62477415 68030963 75192117 78497265 86760135 87468381 92769495 97852755 102534705 109896171 125320195 129877293 145780635 149858415 161125965 183160285 204092889 216462155 225576351 235491795 278308485 293558265 329688513 340154815 375960585 389631879 437341905 476216741 549480855 612278667 649386465 1020464445 1127881755 1428650223 1648442565 1948159395 2381083705 3061393335 4285950669 7143251115 21429753345
- Sum of all divisors σ(n): 54322369920
- Sum of proper divisors (its aliquot sum) s(n): 32892616575
- 21429753345 is an abundant number, because the sum of its proper divisors (32892616575) is greater than itself. Its abundance is 11462863230
Bases of 21429753345
- Binary: 100111111010101000000010110000000012
- Hexadecimal: 0x4FD501601
- Base-36: 9UEPZI9
Squares and roots of 21429753345
- 21429753345 squared (214297533452) is 459234328427538689025
- 21429753345 cubed (214297533453) is 9841278385758875811250408538625
-
The
square root of 21429753345 is 146389.0478997661 -
The
cube root of 21429753345 is 2777.6171870719
Scales and comparisons
How big is 21429753345?- 21,429,753,345 seconds is equal to 681 years, 20 weeks, 5 days, 13 hours, 15 minutes, 45 seconds.
-
To count from 1 to 21,429,753,345 would take you about one thousand, three hundred sixty-two 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 21429753345 cubic inches would be around 231.5 feet tall.
Recreational maths with 21429753345
- 21429753345 backwards is 54335792412
- 21429753345 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21429753345's digits is 45
- More coming soon!
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