18038993742
18,038,993,742 is an even composite number composed of seven prime numbers multiplied together.
18038993742 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 18038993742:
2 × 32 × 7 × 11 × 83 × 233 × 673
(2 × 3 × 3 × 7 × 11 × 83 × 233 × 673)See below for interesting mathematical facts about the number 18038993742 from the Numbermatics database.
Names of 18038993742
- Cardinal: 18038993742 can be written as Eighteen billion, thirty-eight million, nine hundred ninety-three thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 1.8038993742 × 1010
Factors of 18038993742
Divisors of 18038993742
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 83 99 126 154 166 198 231 233 249 462 466 498 581 673 693 699 747 913 1162 1346 1386 1398 1494 1631 1743 1826 2019 2097 2563 2739 3262 3486 4038 4194 4711 4893 5126 5229 5478 6057 6391 7403 7689 8217 9422 9786 10458 12114 12782 14133 14679 14806 15378 16434 17941 19173 19339 22209 23067 28266 29358 35882 38346 38678 42399 44418 46134 51821 53823 55859 57519 58017 66627 84798 103642 107646 111718 115038 116034 133254 135373 155463 156809 161469 167577 174051 212729 270746 310926 313618 322938 335154 348102 391013 406119 425458 466389 470427 502731 614449 638187 782026 812238 932778 940854 1005462 1097663 1173039 1218357 1228898 1276374 1411281 1489103 1724899 1843347 1914561 2195326 2346078 2436714 2822562 2978206 3292989 3449798 3519117 3686694 3829122 4301143 4467309 5174697 5530041 6585978 7038234 8602286 8934618 9878967 10349394 11060082 12074293 12903429 13015147 13401927 15524091 19757934 24148586 25806858 26030294 26803854 31048182 36222879 38710287 39045441 72445758 77420574 78090882 91106029 108668637 117136323 143166617 182212058 217337274 234272646 273318087 286333234 429499851 546636174 819954261 858999702 1002166319 1288499553 1639908522 2004332638 2576999106 3006498957 6012997914 9019496871 18038993742
- Sum of all divisors σ(n): 49601051136
- Sum of proper divisors (its aliquot sum) s(n): 31562057394
- 18038993742 is an abundant number, because the sum of its proper divisors (31562057394) is greater than itself. Its abundance is 13523063652
Bases of 18038993742
- Binary: 100001100110011010100110011010011102
- Hexadecimal: 0x43335334E
- Base-36: 8ABY8NI
Squares and roots of 18038993742
- 18038993742 squared (180389937422) is 325405295223915162564
- 18038993742 cubed (180389937423) is 5869984084157868106230908674488
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The
square root of 18038993742 is 134309.3211285055 -
The
cube root of 18038993742 is 2622.6324832571
Scales and comparisons
How big is 18038993742?- 18,038,993,742 seconds is equal to 573 years, 30 weeks, 2 days, 15 hours, 35 minutes, 42 seconds.
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To count from 1 to 18,038,993,742 would take you about one thousand, one hundred forty-seven 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 18038993742 cubic inches would be around 218.6 feet tall.
Recreational maths with 18038993742
- 18038993742 backwards is 24739983081
- The number of decimal digits it has is: 11
- The sum of 18038993742's digits is 54
- More coming soon!
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