389419668
389,419,668 is an even composite number composed of six prime numbers multiplied together.
389419668 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 389419668:
22 × 32 × 11 × 19 × 73 × 709
(2 × 2 × 3 × 3 × 11 × 19 × 73 × 709)See below for interesting mathematical facts about the number 389419668 from the Numbermatics database.
Names of 389419668
- Cardinal: 389419668 can be written as Three hundred eighty-nine million, four hundred nineteen thousand, six hundred sixty-eight.
Scientific notation
- Scientific notation: 3.89419668 × 108
Factors of 389419668
Divisors of 389419668
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 73 76 99 114 132 146 171 198 209 219 228 292 342 396 418 438 627 657 684 709 803 836 876 1254 1314 1387 1418 1606 1881 2127 2409 2508 2628 2774 2836 3212 3762 4161 4254 4818 5548 6381 7227 7524 7799 8322 8508 9636 12483 12762 13471 14454 15257 15598 16644 23397 24966 25524 26942 28908 30514 31196 40413 45771 46794 49932 51757 53884 61028 70191 80826 91542 93588 103514 121239 137313 140382 148181 155271 161652 183084 207028 242478 274626 280764 296362 310542 444543 465813 484956 549252 569327 592724 621084 889086 931626 983383 1138654 1333629 1707981 1778172 1863252 1966766 2277308 2667258 2950149 3415962 3933532 5123943 5334516 5900298 6831924 8850447 10247886 10817213 11800596 17700894 20495772 21634426 32451639 35401788 43268852 64903278 97354917 129806556 194709834 389419668
- Sum of all divisors σ(n): 1147473600
- Sum of proper divisors (its aliquot sum) s(n): 758053932
- 389419668 is an abundant number, because the sum of its proper divisors (758053932) is greater than itself. Its abundance is 368634264
Bases of 389419668
- Binary: 101110011011000010010100101002
- Hexadecimal: 0x17361294
- Base-36: 6FUM50
Squares and roots of 389419668
- 389419668 squared (3894196682) is 151647677825230224
- 389419668 cubed (3894196683) is 59054588351672115853645632
-
The
square root of 389419668 is 19733.7190615453 -
The
cube root of 389419668 is 730.2517852925
Scales and comparisons
How big is 389419668?- 389,419,668 seconds is equal to 12 years, 19 weeks, 6 days, 4 hours, 7 minutes, 48 seconds.
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To count from 1 to 389,419,668 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 389419668 cubic inches would be around 60.9 feet tall.
Recreational maths with 389419668
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