123490380
123,490,380 is an even composite number composed of seven prime numbers multiplied together.
123490380 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 123490380:
22 × 3 × 5 × 13 × 17 × 67 × 139
(2 × 2 × 3 × 5 × 13 × 17 × 67 × 139)See below for interesting mathematical facts about the number 123490380 from the Numbermatics database.
Names of 123490380
- Cardinal: 123490380 can be written as One hundred twenty-three million, four hundred ninety thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.2349038 × 108
Factors of 123490380
Divisors of 123490380
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 39 51 52 60 65 67 68 78 85 102 130 134 139 156 170 195 201 204 221 255 260 268 278 335 340 390 402 417 442 510 556 663 670 695 780 804 834 871 884 1005 1020 1105 1139 1326 1340 1390 1668 1742 1807 2010 2085 2210 2278 2363 2613 2652 2780 3315 3417 3484 3614 4020 4170 4355 4420 4556 4726 5226 5421 5695 6630 6834 7089 7228 8340 8710 9035 9313 9452 10452 10842 11390 11815 13065 13260 13668 14178 14807 17085 17420 18070 18626 21684 22780 23630 26130 27105 27939 28356 29614 30719 34170 35445 36140 37252 44421 46565 47260 52260 54210 55878 59228 61438 68340 70890 74035 88842 92157 93130 108420 111756 121069 122876 139695 141780 148070 153595 158321 177684 184314 186260 222105 242138 279390 296140 307190 316642 363207 368628 444210 460785 474963 484276 558780 605345 614380 633284 726414 791605 888420 921570 949926 1210690 1452828 1583210 1816035 1843140 1899852 2058173 2374815 2421380 3166420 3632070 4116346 4749630 6174519 7264140 8232692 9499260 10290865 12349038 20581730 24698076 30872595 41163460 61745190 123490380
- Sum of all divisors σ(n): 403038720
- Sum of proper divisors (its aliquot sum) s(n): 279548340
- 123490380 is an abundant number, because the sum of its proper divisors (279548340) is greater than itself. Its abundance is 156057960
Bases of 123490380
- Binary: 1110101110001010000010011002
- Hexadecimal: 0x75C504C
- Base-36: 21ITSC
Squares and roots of 123490380
- 123490380 squared (1234903802) is 15249873952544400
- 123490380 cubed (1234903803) is 1883212729351809922872000
-
The
square root of 123490380 is 11112.6225527551 -
The
cube root of 123490380 is 497.9790155833
Scales and comparisons
How big is 123490380?- 123,490,380 seconds is equal to 3 years, 48 weeks, 1 day, 6 hours, 53 minutes.
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To count from 1 to 123,490,380 would take you about five 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 123490380 cubic inches would be around 41.5 feet tall.
Recreational maths with 123490380
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