389128320
389,128,320 is an even composite number composed of five prime numbers multiplied together.
389128320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 389128320:
27 × 33 × 5 × 7 × 3217
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 3217)See below for interesting mathematical facts about the number 389128320 from the Numbermatics database.
Names of 389128320
- Cardinal: 389128320 can be written as Three hundred eighty-nine million, one hundred twenty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 3.8912832 × 108
Factors of 389128320
Divisors of 389128320
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 140 144 160 168 180 189 192 210 216 224 240 252 270 280 288 315 320 336 360 378 384 420 432 448 480 504 540 560 576 630 640 672 720 756 840 864 896 945 960 1008 1080 1120 1152 1260 1344 1440 1512 1680 1728 1890 1920 2016 2160 2240 2520 2688 2880 3024 3217 3360 3456 3780 4032 4320 4480 5040 5760 6048 6434 6720 7560 8064 8640 9651 10080 12096 12868 13440 15120 16085 17280 19302 20160 22519 24192 25736 28953 30240 32170 38604 40320 45038 48255 51472 57906 60480 64340 67557 77208 86859 90076 96510 102944 112595 115812 120960 128680 135114 144765 154416 173718 180152 193020 202671 205888 225190 231624 257360 270228 289530 308832 337785 347436 360304 386040 405342 411776 434295 450380 463248 514720 540456 579060 608013 617664 675570 694872 720608 772080 810684 868590 900760 926496 1013355 1029440 1080912 1158120 1216026 1235328 1351140 1389744 1441216 1544160 1621368 1737180 1801520 1852992 2026710 2058880 2161824 2316240 2432052 2702280 2779488 2882432 3040065 3088320 3242736 3474360 3603040 3705984 4053420 4323648 4632480 4864104 5404560 5558976 6080130 6176640 6485472 6948720 7206080 8106840 8647296 9264960 9728208 10809120 11117952 12160260 12970944 13897440 14412160 16213680 18529920 19456416 21618240 24320520 25941888 27794880 32427360 38912832 43236480 48641040 55589760 64854720 77825664 97282080 129709440 194564160 389128320
- Sum of all divisors σ(n): 1575532800
- Sum of proper divisors (its aliquot sum) s(n): 1186404480
- 389128320 is an abundant number, because the sum of its proper divisors (1186404480) is greater than itself. Its abundance is 797276160
Bases of 389128320
- Binary: 101110011000110100000100000002
- Hexadecimal: 0x1731A080
- Base-36: 6FODC0
Squares and roots of 389128320
- 389128320 squared (3891283202) is 151420849426022400
- 389128320 cubed (3891283203) is 58922140750121060794368000
-
The
square root of 389128320 is 19726.3356962211 -
The
cube root of 389128320 is 730.0696249349
Scales and comparisons
How big is 389128320?- 389,128,320 seconds is equal to 12 years, 19 weeks, 2 days, 19 hours, 12 minutes.
-
To count from 1 to 389,128,320 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 389128320 cubic inches would be around 60.8 feet tall.
Recreational maths with 389128320
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"Number 389128320 - Facts about the integer". Numbermatics.com. 2024. Web. 6 May 2024.
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