389911312
389,911,312 is an even composite number composed of five prime numbers multiplied together.
389911312 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 389911312:
24 × 7 × 19 × 412 × 109
(2 × 2 × 2 × 2 × 7 × 19 × 41 × 41 × 109)See below for interesting mathematical facts about the number 389911312 from the Numbermatics database.
Names of 389911312
- Cardinal: 389911312 can be written as Three hundred eighty-nine million, nine hundred eleven thousand, three hundred twelve.
Scientific notation
- Scientific notation: 3.89911312 × 108
Factors of 389911312
Divisors of 389911312
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 7 8 14 16 19 28 38 41 56 76 82 109 112 133 152 164 218 266 287 304 328 436 532 574 656 763 779 872 1064 1148 1526 1558 1681 1744 2071 2128 2296 3052 3116 3362 4142 4469 4592 5453 6104 6232 6724 8284 8938 10906 11767 12208 12464 13448 14497 16568 17876 21812 23534 26896 28994 31283 31939 33136 35752 43624 47068 57988 62566 63878 71504 84911 87248 94136 115976 125132 127756 169822 183229 188272 223573 231952 250264 255512 339644 366458 447146 500528 511024 594377 679288 732916 894292 1188754 1282603 1358576 1465832 1788584 2377508 2565206 2931664 3481351 3577168 4755016 5130412 6962702 9510032 10260824 13925404 20521648 24369457 27850808 48738914 55701616 97477828 194955656 389911312
- Sum of all divisors σ(n): 940068800
- Sum of proper divisors (its aliquot sum) s(n): 550157488
- 389911312 is an abundant number, because the sum of its proper divisors (550157488) is greater than itself. Its abundance is 160246176
Bases of 389911312
- Binary: 101110011110110010011000100002
- Hexadecimal: 0x173D9310
- Base-36: 6G55HS
Squares and roots of 389911312
- 389911312 squared (3899113122) is 152030831225561344
- 389911312 cubed (3899113123) is 59278540867609191575523328
-
The
square root of 389911312 is 19746.1720847359 -
The
cube root of 389911312 is 730.5589713905
Scales and comparisons
How big is 389911312?- 389,911,312 seconds is equal to 12 years, 20 weeks, 4 days, 20 hours, 41 minutes, 52 seconds.
-
To count from 1 to 389,911,312 would take you about eighteen 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 389911312 cubic inches would be around 60.9 feet tall.
Recreational maths with 389911312
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