389659920
389,659,920 is an even composite number composed of five prime numbers multiplied together.
389659920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 389659920:
24 × 3 × 5 × 133 × 739
(2 × 2 × 2 × 2 × 3 × 5 × 13 × 13 × 13 × 739)See below for interesting mathematical facts about the number 389659920 from the Numbermatics database.
Names of 389659920
- Cardinal: 389659920 can be written as Three hundred eighty-nine million, six hundred fifty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.8965992 × 108
Factors of 389659920
Divisors of 389659920
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 169 195 208 240 260 312 338 390 507 520 624 676 739 780 845 1014 1040 1352 1478 1560 1690 2028 2197 2217 2535 2704 2956 3120 3380 3695 4056 4394 4434 5070 5912 6591 6760 7390 8112 8788 8868 9607 10140 10985 11085 11824 13182 13520 14780 17576 17736 19214 20280 21970 22170 26364 28821 29560 32955 35152 35472 38428 40560 43940 44340 48035 52728 57642 59120 65910 76856 87880 88680 96070 105456 115284 124891 131820 144105 153712 175760 177360 192140 230568 249782 263640 288210 374673 384280 461136 499564 527280 576420 624455 749346 768560 999128 1152840 1248910 1498692 1623583 1873365 1998256 2305680 2497820 2997384 3247166 3746730 4870749 4995640 5994768 6494332 7493460 8117915 9741498 9991280 12988664 14986920 16235830 19482996 24353745 25977328 29973840 32471660 38965992 48707490 64943320 77931984 97414980 129886640 194829960 389659920
- Sum of all divisors σ(n): 1310332800
- Sum of proper divisors (its aliquot sum) s(n): 920672880
- 389659920 is an abundant number, because the sum of its proper divisors (920672880) is greater than itself. Its abundance is 531012960
Bases of 389659920
- Binary: 101110011100110111101000100002
- Hexadecimal: 0x1739BD10
- Base-36: 6FZRIO
Squares and roots of 389659920
- 389659920 squared (3896599202) is 151834853254406400
- 389659920 cubed (3896599203) is 59163956772323737471488000
-
The
square root of 389659920 is 19739.8054701661 -
The
cube root of 389659920 is 730.4019304089
Scales and comparisons
How big is 389659920?- 389,659,920 seconds is equal to 12 years, 20 weeks, 1 day, 22 hours, 52 minutes.
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To count from 1 to 389,659,920 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 389659920 cubic inches would be around 60.9 feet tall.
Recreational maths with 389659920
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