145718040
145,718,040 is an even composite number composed of six prime numbers multiplied together.
145718040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 145718040:
23 × 3 × 5 × 13 × 29 × 3221
(2 × 2 × 2 × 3 × 5 × 13 × 29 × 3221)See below for interesting mathematical facts about the number 145718040 from the Numbermatics database.
Names of 145718040
- Cardinal: 145718040 can be written as One hundred forty-five million, seven hundred eighteen thousand and forty.
Scientific notation
- Scientific notation: 1.4571804 × 108
Factors of 145718040
Divisors of 145718040
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 29 30 39 40 52 58 60 65 78 87 104 116 120 130 145 156 174 195 232 260 290 312 348 377 390 435 520 580 696 754 780 870 1131 1160 1508 1560 1740 1885 2262 3016 3221 3480 3770 4524 5655 6442 7540 9048 9663 11310 12884 15080 16105 19326 22620 25768 32210 38652 41873 45240 48315 64420 77304 83746 93409 96630 125619 128840 167492 186818 193260 209365 251238 280227 334984 373636 386520 418730 467045 502476 560454 628095 747272 837460 934090 1004952 1120908 1214317 1256190 1401135 1674920 1868180 2241816 2428634 2512380 2802270 3642951 3736360 4857268 5024760 5604540 6071585 7285902 9714536 11209080 12143170 14571804 18214755 24286340 29143608 36429510 48572680 72859020 145718040
- Sum of all divisors σ(n): 487166400
- Sum of proper divisors (its aliquot sum) s(n): 341448360
- 145718040 is an abundant number, because the sum of its proper divisors (341448360) is greater than itself. Its abundance is 195730320
Bases of 145718040
- Binary: 10001010111101111011000110002
- Hexadecimal: 0x8AF7B18
- Base-36: 2ER8RC
Squares and roots of 145718040
- 145718040 squared (1457180402) is 21233747181441600
- 145718040 cubed (1457180403) is 3094140021135194326464000
-
The
square root of 145718040 is 12071.3727471237 -
The
cube root of 145718040 is 526.2245519673
Scales and comparisons
How big is 145718040?- 145,718,040 seconds is equal to 4 years, 32 weeks, 6 days, 13 hours, 14 minutes.
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To count from 1 to 145,718,040 would take you about six 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 145718040 cubic inches would be around 43.9 feet tall.
Recreational maths with 145718040
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