20721230946
20,721,230,946 is an even composite number composed of five prime numbers multiplied together.
20721230946 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 20721230946:
2 × 34 × 132 × 17 × 2112
(2 × 3 × 3 × 3 × 3 × 13 × 13 × 17 × 211 × 211)See below for interesting mathematical facts about the number 20721230946 from the Numbermatics database.
Names of 20721230946
- Cardinal: 20721230946 can be written as Twenty billion, seven hundred twenty-one million, two hundred thirty thousand, nine hundred forty-six.
Scientific notation
- Scientific notation: 2.0721230946 × 1010
Factors of 20721230946
Divisors of 20721230946
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 6 9 13 17 18 26 27 34 39 51 54 78 81 102 117 153 162 169 211 221 234 306 338 351 422 442 459 507 633 663 702 918 1014 1053 1266 1326 1377 1521 1899 1989 2106 2743 2754 2873 3042 3587 3798 3978 4563 5486 5697 5746 5967 7174 8229 8619 9126 10761 11394 11934 13689 16458 17091 17238 17901 21522 24687 25857 27378 32283 34182 35659 35802 44521 46631 49374 51714 64566 71318 74061 77571 89042 93262 96849 106977 133563 139893 148122 155142 193698 213954 222183 232713 267126 279786 290547 320931 400689 419679 444366 465426 578773 581094 606203 641862 756857 801378 839358 962793 1157546 1202067 1212406 1259037 1513714 1736319 1818609 1925586 2270571 2404134 2518074 2888379 3472638 3606201 3637218 3777111 4541142 5208957 5455827 5776758 6811713 7212402 7524049 7554222 9839141 10417914 10911654 13623426 15048098 15626871 16367481 19678282 20435139 22572147 29517423 31253742 32734962 40870278 45144294 46880613 49102443 59034846 61305417 67716441 88552269 93761226 98204886 122610834 127908833 135432882 177104538 203149323 255817666 265656807 383726499 406298646 531313614 609447969 767452998 796970421 1151179497 1218895938 1593940842 2302358994 3453538491 6907076982 10360615473 20721230946
- Sum of all divisors σ(n): 53488232226
- Sum of proper divisors (its aliquot sum) s(n): 32767001280
- 20721230946 is an abundant number, because the sum of its proper divisors (32767001280) is greater than itself. Its abundance is 12045770334
Bases of 20721230946
- Binary: 100110100110001010011100100011000102
- Hexadecimal: 0x4D314E462
- Base-36: 9IOVW4I
Squares and roots of 20721230946
- 20721230946 squared (207212309462) is 429369411917468054916
- 20721230946 cubed (207212309463) is 8897062745490060257491846630536
-
The
square root of 20721230946 is 143948.7094280459 -
The
cube root of 20721230946 is 2746.6617761921
Scales and comparisons
How big is 20721230946?- 20,721,230,946 seconds is equal to 658 years, 45 weeks, 2 days, 1 hour, 29 minutes, 6 seconds.
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To count from 1 to 20,721,230,946 would take you about one thousand, three hundred seventeen 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 20721230946 cubic inches would be around 228.9 feet tall.
Recreational maths with 20721230946
- 20721230946 backwards is 64903212702
- The number of decimal digits it has is: 11
- The sum of 20721230946's digits is 36
- More coming soon!
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