981009920
981,009,920 is an even composite number composed of four prime numbers multiplied together.
981009920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 981009920:
29 × 5 × 112 × 3167
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 3167)See below for interesting mathematical facts about the number 981009920 from the Numbermatics database.
Names of 981009920
- Cardinal: 981009920 can be written as Nine hundred eighty-one million, nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 9.8100992 × 108
Factors of 981009920
Divisors of 981009920
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 320 352 440 484 512 605 640 704 880 968 1210 1280 1408 1760 1936 2420 2560 2816 3167 3520 3872 4840 5632 6334 7040 7744 9680 12668 14080 15488 15835 19360 25336 28160 30976 31670 34837 38720 50672 61952 63340 69674 77440 101344 126680 139348 154880 174185 202688 253360 278696 309760 348370 383207 405376 506720 557392 696740 766414 810752 1013440 1114784 1393480 1532828 1621504 1916035 2026880 2229568 2786960 3065656 3832070 4053760 4459136 5573920 6131312 7664140 8107520 8918272 11147840 12262624 15328280 17836544 22295680 24525248 30656560 44591360 49050496 61313120 89182720 98100992 122626240 196201984 245252480 490504960 981009920
- Sum of all divisors σ(n): 2586209472
- Sum of proper divisors (its aliquot sum) s(n): 1605199552
- 981009920 is an abundant number, because the sum of its proper divisors (1605199552) is greater than itself. Its abundance is 624189632
Bases of 981009920
- Binary: 1110100111100100000110000000002
- Hexadecimal: 0x3A790600
- Base-36: G82G3K
Squares and roots of 981009920
- 981009920 squared (9810099202) is 962380463138406400
- 981009920 cubed (9810099203) is 944104781152971011391488000
-
The
square root of 981009920 is 31321.0778869439 -
The
cube root of 981009920 is 993.6294759361
Scales and comparisons
How big is 981009920?- 981,009,920 seconds is equal to 31 years, 10 weeks, 6 hours, 45 minutes, 20 seconds.
-
To count from 1 to 981,009,920 would take you about forty-six 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 981009920 cubic inches would be around 82.8 feet tall.
Recreational maths with 981009920
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