385838145
385,838,145 is an odd composite number composed of six prime numbers multiplied together.
385838145 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 385838145:
32 × 5 × 7 × 112 × 53 × 191
(3 × 3 × 5 × 7 × 11 × 11 × 53 × 191)See below for interesting mathematical facts about the number 385838145 from the Numbermatics database.
Names of 385838145
- Cardinal: 385838145 can be written as Three hundred eighty-five million, eight hundred thirty-eight thousand, one hundred forty-five.
Scientific notation
- Scientific notation: 3.85838145 × 108
Factors of 385838145
Divisors of 385838145
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 5 7 9 11 15 21 33 35 45 53 55 63 77 99 105 121 159 165 191 231 265 315 363 371 385 477 495 573 583 605 693 795 847 955 1089 1113 1155 1337 1719 1749 1815 1855 2101 2385 2541 2865 2915 3339 3465 4011 4081 4235 5247 5445 5565 6303 6413 6685 7623 8595 8745 10123 10505 12033 12243 12705 14707 16695 18909 19239 20055 20405 23111 26235 30369 31515 32065 36729 38115 44121 44891 50615 57717 60165 61215 69333 70861 73535 91107 94545 96195 111353 115555 132363 134673 151845 161777 183645 207999 212583 220605 224455 288585 334059 346665 354305 404019 455535 485331 556765 637749 661815 673365 779471 808885 1002177 1039995 1062915 1224883 1455993 1670295 2020095 2338413 2426655 3188745 3674649 3897355 5010885 6124415 7015239 7279965 8574181 11023947 11692065 18373245 25722543 35076195 42870905 55119735 77167629 128612715 385838145
- Sum of all divisors σ(n): 860461056
- Sum of proper divisors (its aliquot sum) s(n): 474622911
- 385838145 is an abundant number, because the sum of its proper divisors (474622911) is greater than itself. Its abundance is 88784766
Bases of 385838145
- Binary: 101101111111101101100010000012
- Hexadecimal: 0x16FF6C41
- Base-36: 6DPUM9
Squares and roots of 385838145
- 385838145 squared (3858381452) is 148871074137041025
- 385838145 cubed (3858381453) is 57440139089193384874898625
-
The
square root of 385838145 is 19642.7631712037 -
The
cube root of 385838145 is 728.0061592531
Scales and comparisons
How big is 385838145?- 385,838,145 seconds is equal to 12 years, 13 weeks, 6 days, 17 hours, 15 minutes, 45 seconds.
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To count from 1 to 385,838,145 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 385838145 cubic inches would be around 60.7 feet tall.
Recreational maths with 385838145
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