21490480746
21,490,480,746 is an even composite number composed of seven prime numbers multiplied together.
21490480746 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21490480746:
2 × 32 × 7 × 19 × 43 × 191 × 1093
(2 × 3 × 3 × 7 × 19 × 43 × 191 × 1093)See below for interesting mathematical facts about the number 21490480746 from the Numbermatics database.
Names of 21490480746
- Cardinal: 21490480746 can be written as Twenty-one billion, four hundred ninety million, four hundred eighty thousand, seven hundred forty-six.
Scientific notation
- Scientific notation: 2.1490480746 × 1010
Factors of 21490480746
Divisors of 21490480746
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 7 9 14 18 19 21 38 42 43 57 63 86 114 126 129 133 171 191 258 266 301 342 382 387 399 573 602 774 798 817 903 1093 1146 1197 1337 1634 1719 1806 2186 2394 2451 2674 2709 3279 3438 3629 4011 4902 5418 5719 6558 7258 7353 7651 8022 8213 9837 10887 11438 12033 14706 15302 16426 17157 19674 20767 21774 22953 24066 24639 25403 32661 34314 41534 45906 46999 49278 50806 51471 57491 62301 65322 68859 73917 76209 93998 102942 114982 124602 137718 140997 145369 147834 152418 156047 172473 186903 208763 228627 281994 290738 312094 328993 344946 373806 417526 422991 436107 457254 468141 517419 626289 657986 845982 872214 892981 936282 986979 1034838 1092329 1252578 1308321 1404423 1461341 1785962 1878867 1973958 2184658 2616642 2678943 2808846 2922682 2960937 3276987 3757734 3966497 4384023 5357886 5921874 6250867 6553974 7932994 8036829 8768046 8976809 9830961 11899491 12501734 13152069 16073658 17953618 18752601 19661922 23798982 26304138 26930427 27765479 35698473 37505202 53860854 55530958 56257803 62837663 71396946 80791281 83296437 112515606 125675326 161582562 166592874 170559371 188512989 249889311 341118742 377025978 499778622 511678113 565538967 1023356226 1131077934 1193915597 1535034339 2387831194 3070068678 3581746791 7163493582 10745240373 21490480746
- Sum of all divisors σ(n): 57670778880
- Sum of proper divisors (its aliquot sum) s(n): 36180298134
- 21490480746 is an abundant number, because the sum of its proper divisors (36180298134) is greater than itself. Its abundance is 14689817388
Bases of 21490480746
- Binary: 101000000001110111010110110011010102
- Hexadecimal: 0x500EEB66A
- Base-36: 9VEVL2I
Squares and roots of 21490480746
- 21490480746 squared (214904807462) is 461840762694196716516
- 21490480746 cubed (214904807463) is 9925180018397589622223518200936
-
The
square root of 21490480746 is 146596.3190056285 -
The
cube root of 21490480746 is 2780.2384396871
Scales and comparisons
How big is 21490480746?- 21,490,480,746 seconds is equal to 683 years, 17 weeks, 1 day, 9 hours, 59 minutes, 6 seconds.
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To count from 1 to 21,490,480,746 would take you about one thousand, three hundred sixty-six 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 21490480746 cubic inches would be around 231.7 feet tall.
Recreational maths with 21490480746
- 21490480746 backwards is 64708409412
- The number of decimal digits it has is: 11
- The sum of 21490480746's digits is 45
- More coming soon!
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