1800801990
1,800,801,990 is an even composite number composed of six prime numbers multiplied together.
1800801990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 1800801990:
2 × 33 × 5 × 13 × 139 × 3691
(2 × 3 × 3 × 3 × 5 × 13 × 139 × 3691)See below for interesting mathematical facts about the number 1800801990 from the Numbermatics database.
Names of 1800801990
- Cardinal: 1800801990 can be written as One billion, eight hundred million, eight hundred one thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.80080199 × 109
Factors of 1800801990
Divisors of 1800801990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 139 195 234 270 278 351 390 417 585 695 702 834 1170 1251 1390 1755 1807 2085 2502 3510 3614 3691 3753 4170 5421 6255 7382 7506 9035 10842 11073 12510 16263 18070 18455 18765 22146 27105 32526 33219 36910 37530 47983 48789 54210 55365 66438 81315 95966 97578 99657 110730 143949 162630 166095 199314 239915 243945 287898 332190 431847 479830 487890 498285 513049 719745 863694 996570 1026098 1295541 1439490 1539147 2159235 2565245 2591082 3078294 4318470 4617441 5130490 6477705 6669637 7695735 9234882 12955410 13339274 13852323 15391470 20008911 23087205 27704646 33348185 40017822 46174410 60026733 66696370 69261615 100044555 120053466 138523230 180080199 200089110 300133665 360160398 600267330 900400995 1800801990
- Sum of all divisors σ(n): 5210150400
- Sum of proper divisors (its aliquot sum) s(n): 3409348410
- 1800801990 is an abundant number, because the sum of its proper divisors (3409348410) is greater than itself. Its abundance is 1608546420
Bases of 1800801990
- Binary: 11010110101011000001110110001102
- Hexadecimal: 0x6B560EC6
- Base-36: TS5FPI
Squares and roots of 1800801990
- 1800801990 squared (18008019902) is 3242887807187960100
- 1800801990 cubed (18008019903) is 5839798816530814852120599000
-
The
square root of 1800801990 is 42435.8573614343 -
The
cube root of 1800801990 is 1216.6210339633
Scales and comparisons
How big is 1800801990?- 1,800,801,990 seconds is equal to 57 years, 13 weeks, 3 days, 14 hours, 46 minutes, 30 seconds.
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To count from 1 to 1,800,801,990 would take you about one hundred fourteen 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 1800801990 cubic inches would be around 101.4 feet tall.
Recreational maths with 1800801990
- 1800801990 backwards is 0991080081
- The number of decimal digits it has is: 10
- The sum of 1800801990's digits is 36
- More coming soon!
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