21007465425
21,007,465,425 is an odd composite number composed of five prime numbers multiplied together.
21007465425 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 21007465425:
36 × 52 × 192 × 31 × 103
(3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 19 × 19 × 31 × 103)See below for interesting mathematical facts about the number 21007465425 from the Numbermatics database.
Names of 21007465425
- Cardinal: 21007465425 can be written as Twenty-one billion, seven million, four hundred sixty-five thousand, four hundred twenty-five.
Scientific notation
- Scientific notation: 2.1007465425 × 1010
Factors of 21007465425
Divisors of 21007465425
- Number of divisors d(n): 252
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Complete list of divisors:
1 3 5 9 15 19 25 27 31 45 57 75 81 93 95 103 135 155 171 225 243 279 285 309 361 405 465 475 513 515 589 675 729 775 837 855 927 1083 1215 1395 1425 1539 1545 1767 1805 1957 2025 2325 2511 2565 2575 2781 2945 3193 3249 3645 4185 4275 4617 4635 5301 5415 5871 6075 6975 7533 7695 7725 8343 8835 9025 9579 9747 9785 11191 12555 12825 13851 13905 14725 15903 15965 16245 17613 18225 20925 22599 23085 23175 25029 26505 27075 28737 29241 29355 33573 37183 37665 38475 41715 44175 47709 47895 48735 48925 52839 55955 60667 62775 69255 69525 75087 79515 79825 81225 86211 87723 88065 100719 111549 112995 115425 125145 132525 143127 143685 146205 146775 158517 167865 182001 185915 188325 208575 238545 239475 243675 258633 263169 264195 279775 302157 303335 334647 346275 375435 397575 429381 431055 438615 440325 475551 503595 546003 557745 564975 625725 715635 718425 731025 775899 792585 839325 906471 910005 929575 1003941 1152673 1192725 1293165 1315845 1320975 1426653 1510785 1516675 1638009 1673235 1877175 2146905 2155275 2193075 2327697 2377755 2517975 2719413 2730015 2788725 3011823 3458019 3578175 3879495 3962925 4532355 4550025 4914027 5019705 5763365 6465825 6579225 7133265 7553925 8158239 8190045 8366175 9035469 10374057 10734525 11638485 11888775 13597065 13650075 14742081 15059115 17290095 19397475 22661775 24570135 25098525 27106407 28816825 31122171 35666325 40791195 40950225 44226243 45177345 51870285 58192425 67985325 73710405 75295575 86450475 93366513 122850675 135532035 155610855 203955975 221131215 225886725 259351425 280099539 368552025 466832565 677660175 778054275 840298617 1105656075 1400497695 2334162825 4201493085 7002488475 21007465425
- Sum of all divisors σ(n): 42962559744
- Sum of proper divisors (its aliquot sum) s(n): 21955094319
- 21007465425 is an abundant number, because the sum of its proper divisors (21955094319) is greater than itself. Its abundance is 947628894
Bases of 21007465425
- Binary: 100111001000010010001111011110100012
- Hexadecimal: 0x4E4247BD1
- Base-36: 9NFAW29
Squares and roots of 21007465425
- 21007465425 squared (210074654252) is 441313603582570430625
- 21007465425 cubed (210074654253) is 9270880268843004453982048640625
-
The
square root of 21007465425 is 144939.5233364591 -
The
cube root of 21007465425 is 2759.2510668785
Scales and comparisons
How big is 21007465425?- 21,007,465,425 seconds is equal to 667 years, 50 weeks, 3 days, 23 hours, 3 minutes, 45 seconds.
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To count from 1 to 21,007,465,425 would take you about one thousand, three hundred thirty-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 21007465425 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007465425
- 21007465425 backwards is 52456470012
- The number of decimal digits it has is: 11
- The sum of 21007465425's digits is 36
- More coming soon!
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