145648230
145,648,230 is an even composite number composed of seven prime numbers multiplied together.
145648230 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 145648230:
2 × 3 × 5 × 7 × 13 × 31 × 1721
See below for interesting mathematical facts about the number 145648230 from the Numbermatics database.
Names of 145648230
- Cardinal: 145648230 can be written as One hundred forty-five million, six hundred forty-eight thousand, two hundred thirty.
Scientific notation
- Scientific notation: 1.4564823 × 108
Factors of 145648230
Divisors of 145648230
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 21 26 30 31 35 39 42 62 65 70 78 91 93 105 130 155 182 186 195 210 217 273 310 390 403 434 455 465 546 651 806 910 930 1085 1209 1302 1365 1721 2015 2170 2418 2730 2821 3255 3442 4030 5163 5642 6045 6510 8463 8605 10326 12047 12090 14105 16926 17210 22373 24094 25815 28210 36141 42315 44746 51630 53351 60235 67119 72282 84630 106702 111865 120470 134238 156611 160053 180705 223730 266755 313222 320106 335595 361410 373457 469833 533510 671190 693563 746914 783055 800265 939666 1120371 1387126 1566110 1600530 1867285 2080689 2240742 2349165 3467815 3734570 4161378 4698330 4854941 5601855 6935630 9709882 10403445 11203710 14564823 20806890 24274705 29129646 48549410 72824115 145648230
- Sum of all divisors σ(n): 444358656
- Sum of proper divisors (its aliquot sum) s(n): 298710426
- 145648230 is an abundant number, because the sum of its proper divisors (298710426) is greater than itself. Its abundance is 153062196
Bases of 145648230
- Binary: 10001010111001101010011001102
- Hexadecimal: 0x8AE6A66
- Base-36: 2EPQW6
Squares and roots of 145648230
- 145648230 squared (1456482302) is 21213406902132900
- 145648230 cubed (1456482303) is 3089695167565440109767000
-
The
square root of 145648230 is 12068.4808488889 -
The
cube root of 145648230 is 526.1405047119
Scales and comparisons
How big is 145648230?- 145,648,230 seconds is equal to 4 years, 32 weeks, 5 days, 17 hours, 50 minutes, 30 seconds.
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To count from 1 to 145,648,230 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 145648230 cubic inches would be around 43.8 feet tall.
Recreational maths with 145648230
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