385393680
385,393,680 is an even composite number composed of six prime numbers multiplied together.
385393680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 385393680:
24 × 33 × 5 × 7 × 71 × 359
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 71 × 359)See below for interesting mathematical facts about the number 385393680 from the Numbermatics database.
Names of 385393680
- Cardinal: 385393680 can be written as Three hundred eighty-five million, three hundred ninety-three thousand, six hundred eighty.
Scientific notation
- Scientific notation: 3.8539368 × 108
Factors of 385393680
Divisors of 385393680
- Number of divisors d(n): 320
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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 35 36 40 42 45 48 54 56 60 63 70 71 72 80 84 90 105 108 112 120 126 135 140 142 144 168 180 189 210 213 216 240 252 270 280 284 315 336 355 359 360 378 420 426 432 497 504 540 560 568 630 639 710 718 720 756 840 852 945 994 1008 1065 1077 1080 1136 1260 1278 1420 1436 1491 1512 1680 1704 1795 1890 1917 1988 2130 2154 2160 2485 2513 2520 2556 2840 2872 2982 3024 3195 3231 3408 3590 3780 3834 3976 4260 4308 4473 4970 5026 5040 5112 5385 5680 5744 5964 6390 6462 7180 7455 7539 7560 7668 7952 8520 8616 8946 9585 9693 9940 10052 10224 10770 11928 12565 12780 12924 13419 14360 14910 15078 15120 15336 16155 17040 17232 17892 19170 19386 19880 20104 21540 22365 22617 23856 25130 25489 25560 25848 26838 28720 29820 30156 30672 32310 35784 37695 38340 38772 39760 40208 43080 44730 45234 48465 50260 50978 51120 51696 53676 59640 60312 64620 67095 67851 71568 75390 76467 76680 77544 86160 89460 90468 96930 100520 101956 107352 113085 119280 120624 127445 129240 134190 135702 150780 152934 153360 155088 178423 178920 180936 193860 201040 203912 214704 226170 229401 254890 258480 268380 271404 301560 305868 339255 356846 357840 361872 382335 387720 407824 452340 458802 509780 535269 536760 542808 603120 611736 678510 688203 713692 764670 775440 892115 904680 917604 1019560 1070538 1073520 1085616 1147005 1223472 1357020 1376406 1427384 1529340 1605807 1784230 1809360 1835208 2039120 2141076 2294010 2676345 2714040 2752812 2854768 3058680 3211614 3441015 3568460 3670416 4282152 4588020 4817421 5352690 5428080 5505624 6117360 6423228 6882030 7136920 8029035 8564304 9176040 9634842 10705380 11011248 12846456 13764060 14273840 16058070 18352080 19269684 21410760 24087105 25692912 27528120 32116140 38539368 42821520 48174210 55056240 64232280 77078736 96348420 128464560 192696840 385393680
- Sum of all divisors σ(n): 1542758400
- Sum of proper divisors (its aliquot sum) s(n): 1157364720
- 385393680 is an abundant number, because the sum of its proper divisors (1157364720) is greater than itself. Its abundance is 771971040
Bases of 385393680
- Binary: 101101111100010100100000100002
- Hexadecimal: 0x16F8A410
- Base-36: 6DGBO0
Squares and roots of 385393680
- 385393680 squared (3853936802) is 148528288583942400
- 385393680 cubed (3853936803) is 57241863721467550444032000
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The
square root of 385393680 is 19631.4462024579 -
The
cube root of 385393680 is 727.7265104007
Scales and comparisons
How big is 385393680?- 385,393,680 seconds is equal to 12 years, 13 weeks, 1 day, 13 hours, 48 minutes.
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To count from 1 to 385,393,680 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 385393680 cubic inches would be around 60.6 feet tall.
Recreational maths with 385393680
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