3978142920
3,978,142,920 is an even composite number composed of five prime numbers multiplied together.
3978142920 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 3978142920:
23 × 32 × 5 × 127 × 87011
(2 × 2 × 2 × 3 × 3 × 5 × 127 × 87011)See below for interesting mathematical facts about the number 3978142920 from the Numbermatics database.
Names of 3978142920
- Cardinal: 3978142920 can be written as Three billion, nine hundred seventy-eight million, one hundred forty-two thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.97814292 × 109
Factors of 3978142920
Divisors of 3978142920
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 127 180 254 360 381 508 635 762 1016 1143 1270 1524 1905 2286 2540 3048 3810 4572 5080 5715 7620 9144 11430 15240 22860 45720 87011 174022 261033 348044 435055 522066 696088 783099 870110 1044132 1305165 1566198 1740220 2088264 2610330 3132396 3480440 3915495 5220660 6264792 7830990 10441320 11050397 15661980 22100794 31323960 33151191 44201588 55251985 66302382 88403176 99453573 110503970 132604764 165755955 198907146 221007940 265209528 331511910 397814292 442015880 497267865 663023820 795628584 994535730 1326047640 1989071460 3978142920
- Sum of all divisors σ(n): 13030917120
- Sum of proper divisors (its aliquot sum) s(n): 9052774200
- 3978142920 is an abundant number, because the sum of its proper divisors (9052774200) is greater than itself. Its abundance is 5074631280
Bases of 3978142920
- Binary: 111011010001110110100100110010002
- Hexadecimal: 0xED1DA4C8
- Base-36: 1TSHEQ0
Squares and roots of 3978142920
- 3978142920 squared (39781429202) is 15825621091946126400
- 3978142920 cubed (39781429203) is 62956582501528151759585088000
-
The
square root of 3978142920 is 63072.5211165687 -
The
cube root of 3978142920 is 1584.5044402725
Scales and comparisons
How big is 3978142920?- 3,978,142,920 seconds is equal to 126 years, 25 weeks, 4 days, 7 hours, 42 minutes.
-
To count from 1 to 3,978,142,920 would take you about two hundred fifty-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 3978142920 cubic inches would be around 132 feet tall.
Recreational maths with 3978142920
- 3978142920 backwards is 0292418793
- 3978142920 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 3978142920's digits is 45
- More coming soon!
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