31428709920
31,428,709,920 is an even composite number composed of five prime numbers multiplied together.
What does the number 31428709920 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 144 divisors.
31428709920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 31428709920:
25 × 32 × 5 × 1319 × 16547
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 1319 × 16547)See below for interesting mathematical facts about the number 31428709920 from the Numbermatics database.
Names of 31428709920
- Cardinal: 31428709920 can be written as Thirty-one billion, four hundred twenty-eight million, seven hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.142870992 × 1010
Factors of 31428709920
Divisors of 31428709920
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1319 1440 2638 3957 5276 6595 7914 10552 11871 13190 15828 16547 19785 21104 23742 26380 31656 33094 39570 42208 47484 49641 52760 59355 63312 66188 79140 82735 94968 99282 105520 118710 126624 132376 148923 158280 165470 189936 198564 211040 237420 248205 264752 297846 316560 330940 379872 397128 474840 496410 529504 595692 633120 661880 744615 794256 949680 992820 1191384 1323760 1489230 1588512 1899360 1985640 2382768 2647520 2978460 3971280 4765536 5956920 7942560 11913840 21825493 23827680 43650986 65476479 87301972 109127465 130952958 174603944 196429437 218254930 261905916 327382395 349207888 392858874 436509860 523811832 654764790 698415776 785717748 873019720 982147185 1047623664 1309529580 1571435496 1746039440 1964294370 2095247328 2619059160 3142870992 3492078880 3928588740 5238118320 6285741984 7857177480 10476236640 15714354960 31428709920
- Sum of all divisors σ(n): 107338271040
- Sum of proper divisors (its aliquot sum) s(n): 75909561120
- 31428709920 is an abundant number, because the sum of its proper divisors (75909561120) is greater than itself. Its abundance is 44480851200
Bases of 31428709920
- Binary: 111010100010100110000001110001000002
- Hexadecimal: 0x7514C0E20
- Base-36: EFRUBS0
Squares and roots of 31428709920
- 31428709920 squared (314287099202) is 987763807235506406400
- 31428709920 cubed (314287099203) is 31044142167079527971047231488000
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The
square root of 31428709920 is 177281.4426836605 -
The
cube root of 31428709920 is 3155.7954924421
Scales and comparisons
How big is 31428709920?- 31,428,709,920 seconds is equal to 999 years, 17 weeks, 3 days, 5 hours, 12 minutes.
-
To count from 1 to 31,428,709,920 would take you about one thousand, nine hundred ninety-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 31428709920 cubic inches would be around 263 feet tall.
Recreational maths with 31428709920
- 31428709920 backwards is 02990782413
- 31428709920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31428709920's digits is 45
- More coming soon!
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The information we have on file for 31428709920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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