13087777990
13,087,777,990 is an even composite number composed of seven prime numbers multiplied together.
13087777990 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 13087777990:
2 × 5 × 72 × 43 × 67 × 73 × 127
(2 × 5 × 7 × 7 × 43 × 67 × 73 × 127)See below for interesting mathematical facts about the number 13087777990 from the Numbermatics database.
Names of 13087777990
- Cardinal: 13087777990 can be written as Thirteen billion, eighty-seven million, seven hundred seventy-seven thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.308777799 × 1010
Factors of 13087777990
Divisors of 13087777990
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 5 7 10 14 35 43 49 67 70 73 86 98 127 134 146 215 245 254 301 335 365 430 469 490 511 602 635 670 730 889 938 1022 1270 1505 1778 2107 2345 2555 2881 3010 3139 3283 3577 4214 4445 4690 4891 5110 5461 5762 6223 6278 6566 7154 8509 8890 9271 9782 10535 10922 12446 14405 15695 16415 17018 17885 18542 20167 21070 21973 24455 27305 28810 31115 31390 32830 34237 35770 38227 40334 42545 43946 46355 48910 54610 59563 62230 64897 68474 76454 85090 92710 100835 109865 119126 129794 141169 153811 171185 191135 201670 210313 219730 239659 267589 282338 297815 307622 324485 342370 365887 382270 398653 416941 420626 454279 479318 535178 595630 621157 648970 705845 731774 769055 797306 833882 908558 1051565 1198295 1242314 1337945 1411690 1472191 1538110 1829435 1993265 2084705 2103130 2271395 2396590 2561209 2675890 2790571 2944382 3105785 3658870 3986530 4169410 4348099 4542790 5122418 5581142 6211570 7360955 8696198 10305337 12806045 13952855 14721910 17928463 19533997 20610674 21740495 25612090 26709751 27905710 30436693 35856926 39067994 43480990 51526685 53419502 60873386 89642315 97669985 103053370 133548755 152183465 179284630 186968257 195339970 267097510 304366930 373936514 934841285 1308777799 1869682570 2617555598 6543888995 13087777990
- Sum of all divisors σ(n): 29077069824
- Sum of proper divisors (its aliquot sum) s(n): 15989291834
- 13087777990 is an abundant number, because the sum of its proper divisors (15989291834) is greater than itself. Its abundance is 2901513844
Bases of 13087777990
- Binary: 11000011000001011110100100110001102
- Hexadecimal: 0x30C17A4C6
- Base-36: 60G4I4M
Squares and roots of 13087777990
- 13087777990 squared (130877779902) is 171289932715528440100
- 13087777990 cubed (130877779903) is 2241804611302874049559813399000
-
The
square root of 13087777990 is 114401.8268647839 -
The
cube root of 13087777990 is 2356.6150115571
Scales and comparisons
How big is 13087777990?- 13,087,777,990 seconds is equal to 416 years, 7 weeks, 5 days, 21 hours, 53 minutes, 10 seconds.
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To count from 1 to 13,087,777,990 would take you about eight hundred thirty-two 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 13087777990 cubic inches would be around 196.4 feet tall.
Recreational maths with 13087777990
- 13087777990 backwards is 09977778031
- The number of decimal digits it has is: 11
- The sum of 13087777990's digits is 58
- More coming soon!
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