15438442668
15,438,442,668 is an even composite number composed of seven prime numbers multiplied together.
15438442668 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 15438442668:
22 × 3 × 11 × 29 × 73 × 101 × 547
(2 × 2 × 3 × 11 × 29 × 73 × 101 × 547)See below for interesting mathematical facts about the number 15438442668 from the Numbermatics database.
Names of 15438442668
- Cardinal: 15438442668 can be written as Fifteen billion, four hundred thirty-eight million, four hundred forty-two thousand, six hundred sixty-eight.
Scientific notation
- Scientific notation: 1.5438442668 × 1010
Factors of 15438442668
Divisors of 15438442668
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 11 12 22 29 33 44 58 66 73 87 101 116 132 146 174 202 219 292 303 319 348 404 438 547 606 638 803 876 957 1094 1111 1212 1276 1606 1641 1914 2117 2188 2222 2409 2929 3212 3282 3333 3828 4234 4444 4818 5858 6017 6351 6564 6666 7373 8468 8787 9636 11716 12034 12702 13332 14746 15863 17574 18051 22119 23287 24068 25404 29492 31726 32219 35148 36102 39931 44238 46574 47589 55247 63452 64438 69861 72204 79862 81103 88476 93148 95178 96657 110494 119793 128876 139722 159724 162206 165741 174493 190356 193314 213817 220988 239586 243309 279444 324412 331482 348986 386628 427634 439241 479172 486618 523479 607717 641451 662964 697972 855268 878482 973236 1046958 1157999 1215434 1282902 1317723 1602163 1756964 1823151 2093916 2315998 2351987 2430868 2565804 2635446 3204326 3473997 3646302 4033031 4631996 4703974 4806489 5270892 6408652 6947994 7055961 7292604 8066062 9407948 9612978 12099093 12737989 13895988 14111922 16132124 17623793 19225956 24198186 25475978 28223844 35247586 38213967 44363341 48396372 50951956 52871379 70495172 76427934 88726682 105742758 116957899 133090023 152855868 177453364 211485516 233915798 266180046 350873697 467831596 532360092 701747394 1286536889 1403494788 2573073778 3859610667 5146147556 7719221334 15438442668
- Sum of all divisors σ(n): 41693944320
- Sum of proper divisors (its aliquot sum) s(n): 26255501652
- 15438442668 is an abundant number, because the sum of its proper divisors (26255501652) is greater than itself. Its abundance is 10817058984
Bases of 15438442668
- Binary: 11100110000011001111110000101011002
- Hexadecimal: 0x39833F0AC
- Base-36: 73BNELO
Squares and roots of 15438442668
- 15438442668 squared (154384426682) is 238345512013122958224
- 15438442668 cubed (154384426683) is 3679683522389704054175783101632
-
The
square root of 15438442668 is 124251.5298416885 -
The
cube root of 15438442668 is 2490.0104120465
Scales and comparisons
How big is 15438442668?- 15,438,442,668 seconds is equal to 490 years, 46 weeks, 3 days, 16 hours, 17 minutes, 48 seconds.
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To count from 1 to 15,438,442,668 would take you about nine hundred eighty-one 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 15438442668 cubic inches would be around 207.5 feet tall.
Recreational maths with 15438442668
- 15438442668 backwards is 86624483451
- The number of decimal digits it has is: 11
- The sum of 15438442668's digits is 51
- More coming soon!
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"Number 15438442668 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
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