669138912
669,138,912 is an even composite number composed of five prime numbers multiplied together.
669138912 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 669138912:
25 × 32 × 13 × 313 × 571
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 313 × 571)See below for interesting mathematical facts about the number 669138912 from the Numbermatics database.
Names of 669138912
- Cardinal: 669138912 can be written as Six hundred sixty-nine million, one hundred thirty-eight thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 6.69138912 × 108
Factors of 669138912
Divisors of 669138912
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 313 416 468 571 624 626 936 939 1142 1248 1252 1713 1872 1878 2284 2504 2817 3426 3744 3756 4069 4568 5008 5139 5634 6852 7423 7512 8138 9136 10016 10278 11268 12207 13704 14846 15024 16276 18272 20556 22269 22536 24414 27408 29692 30048 32552 36621 41112 44538 45072 48828 54816 59384 65104 66807 73242 82224 89076 90144 97656 118768 130208 133614 146484 164448 178152 178723 195312 237536 267228 292968 356304 357446 390624 534456 536169 585936 712608 714892 1068912 1072338 1171872 1429784 1608507 2137824 2144676 2323399 2859568 3217014 4289352 4646798 5719136 6434028 6970197 8578704 9293596 12868056 13940394 17157408 18587192 20910591 25736112 27880788 37174384 41821182 51472224 55761576 74348768 83642364 111523152 167284728 223046304 334569456 669138912
- Sum of all divisors σ(n): 2059385328
- Sum of proper divisors (its aliquot sum) s(n): 1390246416
- 669138912 is an abundant number, because the sum of its proper divisors (1390246416) is greater than itself. Its abundance is 721107504
Bases of 669138912
- Binary: 1001111110001000111111111000002
- Hexadecimal: 0x27E23FE0
- Base-36: B2DYW0
Squares and roots of 669138912
- 669138912 squared (6691389122) is 447746883552543744
- 669138912 cubed (6691389123) is 299604862511739815692566528
-
The
square root of 669138912 is 25867.7194974739 -
The
cube root of 669138912 is 874.6589852627
Scales and comparisons
How big is 669138912?- 669,138,912 seconds is equal to 21 years, 14 weeks, 2 days, 15 hours, 55 minutes, 12 seconds.
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To count from 1 to 669,138,912 would take you about thirty-one 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 669138912 cubic inches would be around 72.9 feet tall.
Recreational maths with 669138912
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