21470540949
21,470,540,949 is an odd composite number composed of seven prime numbers multiplied together.
21470540949 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21470540949:
32 × 11 × 132 × 17 × 19 × 29 × 137
(3 × 3 × 11 × 13 × 13 × 17 × 19 × 29 × 137)See below for interesting mathematical facts about the number 21470540949 from the Numbermatics database.
Names of 21470540949
- Cardinal: 21470540949 can be written as Twenty-one billion, four hundred seventy million, five hundred forty thousand, nine hundred forty-nine.
Scientific notation
- Scientific notation: 2.1470540949 × 1010
Factors of 21470540949
Divisors of 21470540949
- Number of divisors d(n): 288
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Complete list of divisors:
1 3 9 11 13 17 19 29 33 39 51 57 87 99 117 137 143 153 169 171 187 209 221 247 261 319 323 377 411 429 493 507 551 561 627 663 741 957 969 1131 1233 1287 1479 1507 1521 1653 1683 1781 1859 1881 1989 2223 2329 2431 2603 2717 2871 2873 2907 3211 3393 3553 3973 4147 4199 4437 4521 4901 4959 5343 5423 5577 6061 6409 6987 7163 7293 7809 8151 8619 9367 9633 10659 11919 12441 12597 13563 14703 16029 16269 16731 18183 19227 19591 20961 21489 21879 23153 23427 24453 25619 25857 28101 28633 28899 30277 31603 31977 33839 35321 35757 37323 37791 43703 44109 44251 46189 48807 51649 53911 54549 54587 57681 58773 64467 67541 69459 70499 75487 76857 78793 83317 84303 85899 90831 93119 94809 101517 103037 105963 121771 131109 132753 138567 154947 161733 163761 176319 202623 208377 211497 226461 230571 236379 249951 254683 257697 272493 279357 284427 304551 309111 317889 333047 365313 372229 393327 393601 398259 415701 439907 464841 485199 486761 491283 568139 575263 600457 607869 634491 671437 679383 709137 742951 749853 764049 830357 838071 878033 916487 927333 981331 999141 1024309 1095939 1116687 1180803 1283279 1319721 1339481 1460283 1583023 1704417 1725789 1801371 2014311 2228853 2292147 2491071 2634099 2749461 2943993 2997423 3072927 3350061 3542409 3849837 3959163 4018443 4329611 4380849 4749069 4838977 5113251 5177367 5404113 6042933 6327893 6686559 7385807 7473213 7478419 7902297 8248383 8831979 9218781 9658363 10794641 11414429 11549511 12055329 12757303 12988833 14116069 14247207 14516931 16682627 17413253 18983679 22157421 22435257 28975089 32383923 34243287 38271909 38966499 42348207 43550793 50047881 52239759 56951037 66472263 67305771 82262609 86925267 97151769 102729861 114815727 125558719 127044621 140330333 150143643 156719277 183508897 216874151 246787827 376676157 420990999 550526691 650622453 740363481 1130028471 1262972997 1651580073 1951867359 2385615661 7156846983 21470540949
- Sum of all divisors σ(n): 42547939200
- Sum of proper divisors (its aliquot sum) s(n): 21077398251
- 21470540949 is a deficient number, because the sum of its proper divisors (21077398251) is less than itself. Its deficiency is 393142698
Bases of 21470540949
- Binary: 100111111111011111001110100100101012
- Hexadecimal: 0x4FFBE7495
- Base-36: 9V307F9
Squares and roots of 21470540949
- 21470540949 squared (214705409492) is 460984128642685820601
- 21470540949 cubed (214705409493) is 9897578610861869700555438290349
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The
square root of 21470540949 is 146528.2940220079 -
The
cube root of 21470540949 is 2779.3782984715
Scales and comparisons
How big is 21470540949?- 21,470,540,949 seconds is equal to 682 years, 36 weeks, 1 day, 15 hours, 9 minutes, 9 seconds.
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To count from 1 to 21,470,540,949 would take you about one thousand, three hundred sixty-five 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 21470540949 cubic inches would be around 231.6 feet tall.
Recreational maths with 21470540949
- 21470540949 backwards is 94904507412
- The number of decimal digits it has is: 11
- The sum of 21470540949's digits is 45
- More coming soon!
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