18997117000
18,997,117,000 is an even composite number composed of five prime numbers multiplied together.
What does the number 18997117000 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 128 divisors.
18997117000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 18997117000:
23 × 53 × 29 × 349 × 1877
(2 × 2 × 2 × 5 × 5 × 5 × 29 × 349 × 1877)See below for interesting mathematical facts about the number 18997117000 from the Numbermatics database.
Names of 18997117000
- Cardinal: 18997117000 can be written as Eighteen billion, nine hundred ninety-seven million, one hundred seventeen thousand.
Scientific notation
- Scientific notation: 1.8997117 × 1010
Factors of 18997117000
Divisors of 18997117000
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 20 25 29 40 50 58 100 116 125 145 200 232 250 290 349 500 580 698 725 1000 1160 1396 1450 1745 1877 2792 2900 3490 3625 3754 5800 6980 7250 7508 8725 9385 10121 13960 14500 15016 17450 18770 20242 29000 34900 37540 40484 43625 46925 50605 54433 69800 75080 80968 87250 93850 101210 108866 174500 187700 202420 217732 234625 253025 272165 349000 375400 404840 435464 469250 506050 544330 655073 938500 1012100 1088660 1265125 1310146 1360825 1877000 2024200 2177320 2530250 2620292 2721650 3275365 5060500 5240584 5443300 6550730 6804125 10121000 10886600 13101460 13608250 16376825 18997117 26202920 27216500 32753650 37994234 54433000 65507300 75988468 81884125 94985585 131014600 151976936 163768250 189971170 327536500 379942340 474927925 655073000 759884680 949855850 1899711700 2374639625 3799423400 4749279250 9498558500 18997117000
- Sum of all divisors σ(n): 46142460000
- Sum of proper divisors (its aliquot sum) s(n): 27145343000
- 18997117000 is an abundant number, because the sum of its proper divisors (27145343000) is greater than itself. Its abundance is 8148226000
Bases of 18997117000
- Binary: 100011011000101000100000000010010002
- Hexadecimal: 0x46C510048
- Base-36: 8Q6E5AG
Squares and roots of 18997117000
- 18997117000 squared (189971170002) is 360890454311689000000
- 18997117000 cubed (189971170003) is 6855878184742310400613000000000
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The
square root of 18997117000 is 137830.0293840205 -
The
cube root of 18997117000 is 2668.2666769485
Scales and comparisons
How big is 18997117000?- 18,997,117,000 seconds is equal to 604 years, 2 weeks, 4 days, 56 minutes, 40 seconds.
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To count from 1 to 18,997,117,000 would take you about one thousand, two hundred eight 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 18997117000 cubic inches would be around 222.4 feet tall.
Recreational maths with 18997117000
- 18997117000 backwards is 00071179981
- The number of decimal digits it has is: 11
- The sum of 18997117000's digits is 43
- More coming soon!
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