990378792
990,378,792 is an even composite number composed of five prime numbers multiplied together.
990378792 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 990378792:
23 × 33 × 13 × 17 × 20747
(2 × 2 × 2 × 3 × 3 × 3 × 13 × 17 × 20747)See below for interesting mathematical facts about the number 990378792 from the Numbermatics database.
Names of 990378792
- Cardinal: 990378792 can be written as Nine hundred ninety million, three hundred seventy-eight thousand, seven hundred ninety-two.
Scientific notation
- Scientific notation: 9.90378792 × 108
Factors of 990378792
Divisors of 990378792
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 17 18 24 26 27 34 36 39 51 52 54 68 72 78 102 104 108 117 136 153 156 204 216 221 234 306 312 351 408 442 459 468 612 663 702 884 918 936 1224 1326 1404 1768 1836 1989 2652 2808 3672 3978 5304 5967 7956 11934 15912 20747 23868 41494 47736 62241 82988 124482 165976 186723 248964 269711 352699 373446 497928 539422 560169 705398 746892 809133 1058097 1078844 1120338 1410796 1493784 1618266 2116194 2157688 2240676 2427399 2821592 3174291 3236532 4232388 4481352 4585087 4854798 6348582 6473064 7282197 8464776 9170174 9522873 9709596 12697164 13755261 14564394 18340348 19045746 19419192 25394328 27510522 29128788 36680696 38091492 41265783 55021044 58257576 76182984 82531566 110042088 123797349 165063132 247594698 330126264 495189396 990378792
- Sum of all divisors σ(n): 3137097600
- Sum of proper divisors (its aliquot sum) s(n): 2146718808
- 990378792 is an abundant number, because the sum of its proper divisors (2146718808) is greater than itself. Its abundance is 1156340016
Bases of 990378792
- Binary: 1110110000011111111011001010002
- Hexadecimal: 0x3B07FB28
- Base-36: GDN960
Squares and roots of 990378792
- 990378792 squared (9903787922) is 980850151643379264
- 990378792 cubed (9903787923) is 971413188317586770278169088
-
The
square root of 990378792 is 31470.2842694501 -
The
cube root of 990378792 is 996.7825900417
Scales and comparisons
How big is 990378792?- 990,378,792 seconds is equal to 31 years, 25 weeks, 3 days, 17 hours, 13 minutes, 12 seconds.
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To count from 1 to 990,378,792 would take you about forty-seven 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 990378792 cubic inches would be around 83.1 feet tall.
Recreational maths with 990378792
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