6421078920
6,421,078,920 is an even composite number composed of five prime numbers multiplied together.
6421078920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 6421078920:
23 × 3 × 5 × 79 × 8232
(2 × 2 × 2 × 3 × 5 × 79 × 823 × 823)See below for interesting mathematical facts about the number 6421078920 from the Numbermatics database.
Names of 6421078920
- Cardinal: 6421078920 can be written as Six billion, four hundred twenty-one million, seventy-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 6.42107892 × 109
Factors of 6421078920
Divisors of 6421078920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 79 120 158 237 316 395 474 632 790 823 948 1185 1580 1646 1896 2370 2469 3160 3292 4115 4740 4938 6584 8230 9480 9876 12345 16460 19752 24690 32920 49380 65017 98760 130034 195051 260068 325085 390102 520136 650170 677329 780204 975255 1300340 1354658 1560408 1950510 2031987 2600680 2709316 3386645 3901020 4063974 5418632 6773290 7802040 8127948 10159935 13546580 16255896 20319870 27093160 40639740 53508991 81279480 107017982 160526973 214035964 267544955 321053946 428071928 535089910 642107892 802634865 1070179820 1284215784 1605269730 2140359640 3210539460 6421078920
- Sum of all divisors σ(n): 19530806400
- Sum of proper divisors (its aliquot sum) s(n): 13109727480
- 6421078920 is an abundant number, because the sum of its proper divisors (13109727480) is greater than itself. Its abundance is 6688648560
Bases of 6421078920
- Binary: 1011111101011100111100011100010002
- Hexadecimal: 0x17EB9E388
- Base-36: 2Y6Y07C
Squares and roots of 6421078920
- 6421078920 squared (64210789202) is 41230254496868366400
- 6421078920 cubed (64210789203) is 264742718016076673505876288000
-
The
square root of 6421078920 is 80131.6349514971 -
The
cube root of 6421078920 is 1858.6716263929
Scales and comparisons
How big is 6421078920?- 6,421,078,920 seconds is equal to 204 years, 8 weeks, 6 days, 1 hour, 2 minutes.
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To count from 1 to 6,421,078,920 would take you about four 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 6421078920 cubic inches would be around 154.9 feet tall.
Recreational maths with 6421078920
- 6421078920 backwards is 0298701246
- The number of decimal digits it has is: 10
- The sum of 6421078920's digits is 39
- More coming soon!
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