12489942465
12,489,942,465 is an odd composite number composed of six prime numbers multiplied together.
12489942465 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 12489942465:
32 × 5 × 72 × 112 × 132 × 277
(3 × 3 × 5 × 7 × 7 × 11 × 11 × 13 × 13 × 277)See below for interesting mathematical facts about the number 12489942465 from the Numbermatics database.
Names of 12489942465
- Cardinal: 12489942465 can be written as Twelve billion, four hundred eighty-nine million, nine hundred forty-two thousand, four hundred sixty-five.
Scientific notation
- Scientific notation: 1.2489942465 × 1010
Factors of 12489942465
Divisors of 12489942465
- Number of divisors d(n): 324
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Complete list of divisors:
1 3 5 7 9 11 13 15 21 33 35 39 45 49 55 63 65 77 91 99 105 117 121 143 147 165 169 195 231 245 273 277 315 363 385 429 441 455 495 507 539 585 605 637 693 715 735 819 831 845 847 1001 1089 1155 1183 1287 1365 1385 1521 1573 1617 1815 1859 1911 1939 2145 2205 2493 2535 2541 2695 3003 3047 3185 3465 3549 3601 4095 4155 4235 4719 4851 5005 5445 5577 5733 5817 5915 5929 6435 7007 7605 7623 7865 8085 8281 9009 9141 9295 9555 9695 10647 10803 11011 12465 12705 13013 13573 14157 15015 15235 16731 17451 17745 17787 18005 20449 21021 21329 23595 24255 24843 25207 27423 27885 28665 29085 29645 32409 33033 33517 35035 38115 39039 39611 40719 41405 45045 45705 46813 53235 53361 54015 55055 61347 63063 63987 65065 67865 70785 74529 75621 77077 83655 87255 88935 91091 99099 100551 102245 105105 106645 117117 118833 122157 124215 126035 137115 140439 143143 149303 162045 165165 167585 176449 184041 191961 195195 198055 203595 226863 231231 234065 234619 266805 273273 277277 301653 306735 315315 319935 327691 356499 372645 378105 385385 421317 429429 435721 447909 455455 495495 502755 514943 529347 585585 594165 610785 693693 702195 703857 715715 746515 819819 831831 882245 920205 959805 983073 1002001 1134315 1156155 1173095 1288287 1307163 1343727 1366365 1386385 1508265 1544829 1588041 1638455 1642333 1782495 1940939 2106585 2111571 2147145 2178605 2239545 2293837 2495493 2574715 2646735 2949219 3006003 3050047 3468465 3519285 3604601 3921489 4099095 4159155 4634487 4915365 4926999 5010005 5664373 5822817 6441435 6535815 6718635 6881511 7724145 7940205 8211665 9018009 9150141 9704695 10557855 10813803 11469185 12477465 14746095 14780997 15030015 15250235 16993119 17468451 18023005 19607445 20644533 21350329 23172435 24634995 25232207 27450423 28321865 29114085 32441409 34407555 39650611 45090045 45750705 50979357 54069015 64050987 73904985 75696621 84965595 87342255 103222665 106751645 118951833 126161035 137252115 162207045 192152961 198253055 227089863 254896785 277554277 320254935 356855499 378483105 594759165 832662831 960764805 1135449315 1387771385 1784277495 2497988493 4163314155 12489942465
- Sum of all divisors σ(n): 30082711932
- Sum of proper divisors (its aliquot sum) s(n): 17592769467
- 12489942465 is an abundant number, because the sum of its proper divisors (17592769467) is greater than itself. Its abundance is 5102827002
Bases of 12489942465
- Binary: 10111010000111010101100101110000012
- Hexadecimal: 0x2E87565C1
- Base-36: 5QK6TA9
Squares and roots of 12489942465
- 12489942465 squared (124899424652) is 155998662779010276225
- 12489942465 cubed (124899424653) is 1948414322726775359694007394625
-
The
square root of 12489942465 is 111758.4111599659 -
The
cube root of 12489942465 is 2320.1718105643
Scales and comparisons
How big is 12489942465?- 12,489,942,465 seconds is equal to 397 years, 7 weeks, 2 days, 12 hours, 27 minutes, 45 seconds.
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To count from 1 to 12,489,942,465 would take you about seven hundred ninety-four 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 12489942465 cubic inches would be around 193.3 feet tall.
Recreational maths with 12489942465
- 12489942465 backwards is 56424998421
- The number of decimal digits it has is: 11
- The sum of 12489942465's digits is 54
- More coming soon!
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