385061391
385,061,391 is an odd composite number composed of six prime numbers multiplied together.
385061391 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 385061391:
33 × 11 × 13 × 19 × 29 × 181
(3 × 3 × 3 × 11 × 13 × 19 × 29 × 181)See below for interesting mathematical facts about the number 385061391 from the Numbermatics database.
Names of 385061391
- Cardinal: 385061391 can be written as Three hundred eighty-five million, sixty-one thousand, three hundred ninety-one.
Scientific notation
- Scientific notation: 3.85061391 × 108
Factors of 385061391
Divisors of 385061391
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 9 11 13 19 27 29 33 39 57 87 99 117 143 171 181 209 247 261 297 319 351 377 429 513 543 551 627 741 783 957 1131 1287 1629 1653 1881 1991 2223 2353 2717 2871 3393 3439 3861 4147 4887 4959 5249 5643 5973 6061 6669 7059 7163 8151 8613 10179 10317 12441 14877 15747 17919 18183 21177 21489 24453 25883 30951 37323 37829 44707 47241 53757 54549 57739 63531 64467 68237 73359 77649 78793 92853 99731 111969 113487 134121 141723 163647 173217 193401 204711 232947 236379 299193 340461 402363 491777 519651 614133 698841 709137 750607 897579 1021383 1097041 1207089 1296503 1475331 1558953 1842399 2127411 2251821 2692737 3291123 3889509 4425993 6755463 9873369 11668527 13277979 14261533 20266389 29620107 35005581 42784599 128353797 385061391
- Sum of all divisors σ(n): 733824000
- Sum of proper divisors (its aliquot sum) s(n): 348762609
- 385061391 is a deficient number, because the sum of its proper divisors (348762609) is less than itself. Its deficiency is 36298782
Bases of 385061391
- Binary: 101101111001110010010000011112
- Hexadecimal: 0x16F3920F
- Base-36: 6D979R
Squares and roots of 385061391
- 385061391 squared (3850613912) is 148272274838854881
- 385061391 cubed (3850613913) is 57093928396183761324999471
-
The
square root of 385061391 is 19622.9811955269 -
The
cube root of 385061391 is 727.5173000457
Scales and comparisons
How big is 385061391?- 385,061,391 seconds is equal to 12 years, 12 weeks, 4 days, 17 hours, 29 minutes, 51 seconds.
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To count from 1 to 385,061,391 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 385061391 cubic inches would be around 60.6 feet tall.
Recreational maths with 385061391
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