385016840
385,016,840 is an even composite number composed of six prime numbers multiplied together.
What does the number 385016840 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 128 divisors.
385016840 is an even 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 385016840:
23 × 5 × 13 × 43 × 67 × 257
(2 × 2 × 2 × 5 × 13 × 43 × 67 × 257)See below for interesting mathematical facts about the number 385016840 from the Numbermatics database.
Names of 385016840
- Cardinal: 385016840 can be written as Three hundred eighty-five million, sixteen thousand, eight hundred forty.
Scientific notation
- Scientific notation: 3.8501684 × 108
Factors of 385016840
Divisors of 385016840
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 43 52 65 67 86 104 130 134 172 215 257 260 268 335 344 430 514 520 536 559 670 860 871 1028 1118 1285 1340 1720 1742 2056 2236 2570 2680 2795 2881 3341 3484 4355 4472 5140 5590 5762 6682 6968 8710 10280 11051 11180 11524 13364 14405 16705 17219 17420 22102 22360 23048 26728 28810 33410 34438 34840 37453 44204 55255 57620 66820 68876 74906 86095 88408 110510 115240 133640 137752 143663 149812 172190 187265 221020 223847 287326 299624 344380 374530 442040 447694 574652 688760 718315 740417 749060 895388 1119235 1149304 1436630 1480834 1498120 1790776 2238470 2873260 2961668 3702085 4476940 5746520 5923336 7404170 8953880 9625421 14808340 19250842 29616680 38501684 48127105 77003368 96254210 192508420 385016840
- Sum of all divisors σ(n): 972639360
- Sum of proper divisors (its aliquot sum) s(n): 587622520
- 385016840 is an abundant number, because the sum of its proper divisors (587622520) is greater than itself. Its abundance is 202605680
Bases of 385016840
- Binary: 101101111001011100100000010002
- Hexadecimal: 0x16F2E408
- Base-36: 6D88W8
Squares and roots of 385016840
- 385016840 squared (3850168402) is 148237967083585600
- 385016840 cubed (3850168403) is 57074113654546143581504000
-
The
square root of 385016840 is 19621.8459885913 -
The
cube root of 385016840 is 727.4892414259
Scales and comparisons
How big is 385016840?- 385,016,840 seconds is equal to 12 years, 12 weeks, 4 days, 5 hours, 7 minutes, 20 seconds.
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To count from 1 to 385,016,840 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 385016840 cubic inches would be around 60.6 feet tall.
Recreational maths with 385016840
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