142664445
142,664,445 is an odd composite number composed of six prime numbers multiplied together.
142664445 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 142664445:
32 × 5 × 7 × 112 × 19 × 197
(3 × 3 × 5 × 7 × 11 × 11 × 19 × 197)See below for interesting mathematical facts about the number 142664445 from the Numbermatics database.
Names of 142664445
- Cardinal: 142664445 can be written as One hundred forty-two million, six hundred sixty-four thousand, four hundred forty-five.
Scientific notation
- Scientific notation: 1.42664445 × 108
Factors of 142664445
Divisors of 142664445
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 5 7 9 11 15 19 21 33 35 45 55 57 63 77 95 99 105 121 133 165 171 197 209 231 285 315 363 385 399 495 591 605 627 665 693 847 855 985 1045 1089 1155 1197 1379 1463 1773 1815 1881 1995 2167 2299 2541 2955 3135 3465 3743 4137 4235 4389 5445 5985 6501 6895 6897 7315 7623 8865 9405 10835 11229 11495 12411 12705 13167 15169 16093 18715 19503 20685 20691 21945 23837 26201 32505 33687 34485 38115 41173 45507 48279 56145 62055 65835 71511 75845 78603 80465 97515 103455 119185 123519 131005 136521 144837 166859 168435 205865 214533 227535 235809 241395 288211 357555 370557 393015 452903 500577 617595 682605 724185 834295 864633 1072665 1179045 1358709 1441055 1501731 1852785 2264515 2502885 2593899 3170321 4076127 4323165 6793545 7508655 9510963 12969495 15851605 20380635 28532889 47554815 142664445
- Sum of all divisors σ(n): 328648320
- Sum of proper divisors (its aliquot sum) s(n): 185983875
- 142664445 is an abundant number, because the sum of its proper divisors (185983875) is greater than itself. Its abundance is 43319430
Bases of 142664445
- Binary: 10001000000011100010111111012
- Hexadecimal: 0x880E2FD
- Base-36: 2CXSL9
Squares and roots of 142664445
- 142664445 squared (1426644452) is 20353143867158025
- 142664445 cubed (1426644453) is 2903669973813253363921125
-
The
square root of 142664445 is 11944.2222434111 -
The
cube root of 142664445 is 522.5228060221
Scales and comparisons
How big is 142664445?- 142,664,445 seconds is equal to 4 years, 27 weeks, 6 days, 5 hours, 45 seconds.
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To count from 1 to 142,664,445 would take you about 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 142664445 cubic inches would be around 43.5 feet tall.
Recreational maths with 142664445
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