389421270
389,421,270 is an even composite number composed of six prime numbers multiplied together.
389421270 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 389421270:
2 × 34 × 5 × 7 × 173 × 397
(2 × 3 × 3 × 3 × 3 × 5 × 7 × 173 × 397)See below for interesting mathematical facts about the number 389421270 from the Numbermatics database.
Names of 389421270
- Cardinal: 389421270 can be written as Three hundred eighty-nine million, four hundred twenty-one thousand, two hundred seventy.
Scientific notation
- Scientific notation: 3.8942127 × 108
Factors of 389421270
Divisors of 389421270
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 173 189 210 270 315 346 378 397 405 519 567 630 794 810 865 945 1038 1134 1191 1211 1557 1730 1890 1985 2382 2422 2595 2779 2835 3114 3573 3633 3970 4671 5190 5558 5670 5955 6055 7146 7266 7785 8337 9342 10719 10899 11910 12110 13895 14013 15570 16674 17865 18165 21438 21798 23355 25011 27790 28026 32157 32697 35730 36330 41685 46710 50022 53595 54495 64314 65394 68681 70065 75033 83370 98091 107190 108990 125055 137362 140130 150066 160785 163485 196182 206043 225099 250110 321570 326970 343405 375165 412086 450198 480767 490455 618129 686810 750330 961534 980910 1030215 1125495 1236258 1442301 1854387 2060430 2250990 2403835 2884602 3090645 3708774 4326903 4807670 5563161 6181290 7211505 8653806 9271935 11126322 12980709 14423010 18543870 21634515 25961418 27815805 38942127 43269030 55631610 64903545 77884254 129807090 194710635 389421270
- Sum of all divisors σ(n): 1206646848
- Sum of proper divisors (its aliquot sum) s(n): 817225578
- 389421270 is an abundant number, because the sum of its proper divisors (817225578) is greater than itself. Its abundance is 427804308
Bases of 389421270
- Binary: 101110011011000011000110101102
- Hexadecimal: 0x173618D6
- Base-36: 6FUNDI
Squares and roots of 389421270
- 389421270 squared (3894212702) is 151648925528412900
- 389421270 cubed (3894212703) is 59055317173409972602383000
-
The
square root of 389421270 is 19733.7596519265 -
The
cube root of 389421270 is 730.2527866645
Scales and comparisons
How big is 389421270?- 389,421,270 seconds is equal to 12 years, 19 weeks, 6 days, 4 hours, 34 minutes, 30 seconds.
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To count from 1 to 389,421,270 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 389421270 cubic inches would be around 60.9 feet tall.
Recreational maths with 389421270
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