18138104140
18,138,104,140 is an even composite number composed of six prime numbers multiplied together.
18138104140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 18138104140:
22 × 5 × 132 × 19 × 53 × 732
(2 × 2 × 5 × 13 × 13 × 19 × 53 × 73 × 73)See below for interesting mathematical facts about the number 18138104140 from the Numbermatics database.
Names of 18138104140
- Cardinal: 18138104140 can be written as Eighteen billion, one hundred thirty-eight million, one hundred four thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.813810414 × 1010
Factors of 18138104140
Divisors of 18138104140
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 10 13 19 20 26 38 52 53 65 73 76 95 106 130 146 169 190 212 247 260 265 292 338 365 380 494 530 676 689 730 845 949 988 1007 1060 1235 1378 1387 1460 1690 1898 2014 2470 2756 2774 3211 3380 3445 3796 3869 4028 4745 4940 5035 5329 5548 6422 6890 6935 7738 8957 9490 10070 10658 12337 12844 13091 13780 13870 15476 16055 17914 18031 18980 19345 20140 21316 24674 26182 26645 27740 32110 35828 36062 38690 44785 49348 50297 52364 53290 61685 64220 65455 69277 72124 73511 77380 89570 90155 100594 101251 106580 123370 130910 138554 147022 170183 179140 180310 201188 202502 234403 246740 251485 261820 277108 282437 294044 340366 346385 360620 367555 405004 468806 502970 506255 564874 653861 680732 692770 735110 850915 900601 937612 955643 1005940 1012510 1129748 1172015 1307722 1316263 1385540 1412185 1470220 1701830 1801202 1911286 2025020 2344030 2615444 2632526 2824370 3269305 3403660 3602404 3671681 3822572 4503005 4688060 4778215 5265052 5366303 5648740 6538610 6581315 7343362 9006010 9556430 10732606 12423359 13077220 13162630 14686724 17111419 18012020 18358405 19112860 21465212 24846718 26325260 26831515 34222838 36716810 47731853 49693436 53663030 62116795 68445676 69761939 73433620 85557095 95463706 107326060 124233590 139523878 171114190 190927412 238659265 248467180 279047756 342228380 348809695 477318530 697619390 906905207 954637060 1395238780 1813810414 3627620828 4534526035 9069052070 18138104140
- Sum of all divisors σ(n): 44849654640
- Sum of proper divisors (its aliquot sum) s(n): 26711550500
- 18138104140 is an abundant number, because the sum of its proper divisors (26711550500) is greater than itself. Its abundance is 8573446360
Bases of 18138104140
- Binary: 100001110010001110110000001010011002
- Hexadecimal: 0x4391D814C
- Base-36: 8BYYIQ4
Squares and roots of 18138104140
- 18138104140 squared (181381041402) is 328990821793485139600
- 18138104140 cubed (181381041403) is 5967269786794415035607237944000
-
The
square root of 18138104140 is 134677.7789392147 -
The
cube root of 18138104140 is 2627.4268297325
Scales and comparisons
How big is 18138104140?- 18,138,104,140 seconds is equal to 576 years, 38 weeks, 1 day, 18 hours, 15 minutes, 40 seconds.
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To count from 1 to 18,138,104,140 would take you about one thousand, one hundred fifty-three 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 18138104140 cubic inches would be around 219 feet tall.
Recreational maths with 18138104140
- 18138104140 backwards is 04140183181
- The number of decimal digits it has is: 11
- The sum of 18138104140's digits is 31
- More coming soon!
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