385538940
385,538,940 is an even composite number composed of five prime numbers multiplied together.
385538940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 385538940:
22 × 36 × 5 × 31 × 853
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 31 × 853)See below for interesting mathematical facts about the number 385538940 from the Numbermatics database.
Names of 385538940
- Cardinal: 385538940 can be written as Three hundred eighty-five million, five hundred thirty-eight thousand, nine hundred forty.
Scientific notation
- Scientific notation: 3.8553894 × 108
Factors of 385538940
Divisors of 385538940
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 31 36 45 54 60 62 81 90 93 108 124 135 155 162 180 186 243 270 279 310 324 372 405 465 486 540 558 620 729 810 837 853 930 972 1116 1215 1395 1458 1620 1674 1706 1860 2430 2511 2559 2790 2916 3348 3412 3645 4185 4265 4860 5022 5118 5580 7290 7533 7677 8370 8530 10044 10236 12555 12795 14580 15066 15354 16740 17060 22599 23031 25110 25590 26443 30132 30708 37665 38385 45198 46062 50220 51180 52886 69093 75330 76770 79329 90396 92124 105772 112995 115155 132215 138186 150660 153540 158658 207279 225990 230310 237987 264430 276372 317316 345465 396645 414558 451980 460620 475974 528860 621837 690930 713961 793290 829116 951948 1036395 1189935 1243674 1381860 1427922 1586580 2072790 2141883 2379870 2487348 2855844 3109185 3569805 4145580 4283766 4759740 6218370 6425649 7139610 8567532 10709415 12436740 12851298 14279220 19276947 21418830 25702596 32128245 38553894 42837660 64256490 77107788 96384735 128512980 192769470 385538940
- Sum of all divisors σ(n): 1254519168
- Sum of proper divisors (its aliquot sum) s(n): 868980228
- 385538940 is an abundant number, because the sum of its proper divisors (868980228) is greater than itself. Its abundance is 483441288
Bases of 385538940
- Binary: 101101111101011011011011111002
- Hexadecimal: 0x16FADB7C
- Base-36: 6DJFR0
Squares and roots of 385538940
- 385538940 squared (3855389402) is 148640274256323600
- 385538940 cubed (3855389403) is 57306613778092289040984000
-
The
square root of 385538940 is 19635.1455304003 -
The
cube root of 385538940 is 727.8179288473
Scales and comparisons
How big is 385538940?- 385,538,940 seconds is equal to 12 years, 13 weeks, 3 days, 6 hours, 9 minutes.
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To count from 1 to 385,538,940 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 385538940 cubic inches would be around 60.7 feet tall.
Recreational maths with 385538940
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