390139920
390,139,920 is an even composite number composed of five prime numbers multiplied together.
390139920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 390139920:
24 × 32 × 5 × 193 × 79
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 19 × 19 × 19 × 79)See below for interesting mathematical facts about the number 390139920 from the Numbermatics database.
Names of 390139920
- Cardinal: 390139920 can be written as Three hundred ninety million, one hundred thirty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.9013992 × 108
Factors of 390139920
Divisors of 390139920
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 36 38 40 45 48 57 60 72 76 79 80 90 95 114 120 144 152 158 171 180 190 228 237 240 285 304 316 342 360 361 380 395 456 474 570 632 684 711 720 722 760 790 855 912 948 1083 1140 1185 1264 1368 1422 1444 1501 1520 1580 1710 1805 1896 2166 2280 2370 2736 2844 2888 3002 3160 3249 3420 3555 3610 3792 4332 4503 4560 4740 5415 5688 5776 6004 6320 6498 6840 6859 7110 7220 7505 8664 9006 9480 10830 11376 12008 12996 13509 13680 13718 14220 14440 15010 16245 17328 18012 18960 20577 21660 22515 24016 25992 27018 27436 28440 28519 28880 30020 32490 34295 36024 41154 43320 45030 51984 54036 54872 56880 57038 60040 61731 64980 67545 68590 72048 82308 85557 86640 90060 102885 108072 109744 114076 120080 123462 129960 135090 137180 142595 164616 171114 180120 205770 216144 228152 246924 256671 259920 270180 274360 285190 308655 329232 342228 360240 411540 427785 456304 493848 513342 540360 541861 548720 570380 617310 684456 823080 855570 987696 1026684 1080720 1083722 1140760 1234620 1283355 1368912 1625583 1646160 1711140 2053368 2167444 2281520 2469240 2566710 2709305 3251166 3422280 4106736 4334888 4876749 4938480 5133420 5418610 6502332 6844560 8127915 8669776 9753498 10266840 10837220 13004664 16255830 19506996 20533680 21674440 24383745 26009328 32511660 39013992 43348880 48767490 65023320 78027984 97534980 130046640 195069960 390139920
- Sum of all divisors σ(n): 1400505600
- Sum of proper divisors (its aliquot sum) s(n): 1010365680
- 390139920 is an abundant number, because the sum of its proper divisors (1010365680) is greater than itself. Its abundance is 620225760
Bases of 390139920
- Binary: 101110100000100010000000100002
- Hexadecimal: 0x17411010
- Base-36: 6GA1W0
Squares and roots of 390139920
- 390139920 squared (3901399202) is 152209157177606400
- 390139920 cubed (3901399203) is 59382868404538786687488000
-
The
square root of 390139920 is 19751.9599027539 -
The
cube root of 390139920 is 730.7017209429
Scales and comparisons
How big is 390139920?- 390,139,920 seconds is equal to 12 years, 21 weeks, 12 hours, 12 minutes.
-
To count from 1 to 390,139,920 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 390139920 cubic inches would be around 60.9 feet tall.
Recreational maths with 390139920
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