145115388
145,115,388 is an even composite number composed of five prime numbers multiplied together.
145115388 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 145115388:
22 × 34 × 11 × 19 × 2143
(2 × 2 × 3 × 3 × 3 × 3 × 11 × 19 × 2143)See below for interesting mathematical facts about the number 145115388 from the Numbermatics database.
Names of 145115388
- Cardinal: 145115388 can be written as One hundred forty-five million, one hundred fifteen thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 1.45115388 × 108
Factors of 145115388
Divisors of 145115388
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 9 11 12 18 19 22 27 33 36 38 44 54 57 66 76 81 99 108 114 132 162 171 198 209 228 297 324 342 396 418 513 594 627 684 836 891 1026 1188 1254 1539 1782 1881 2052 2143 2508 3078 3564 3762 4286 5643 6156 6429 7524 8572 11286 12858 16929 19287 22572 23573 25716 33858 38574 40717 47146 57861 67716 70719 77148 81434 94292 115722 122151 141438 162868 173583 212157 231444 244302 282876 347166 366453 424314 447887 488604 636471 694332 732906 848628 895774 1099359 1272942 1343661 1465812 1791548 1909413 2198718 2545884 2687322 3298077 3818826 4030983 4397436 5374644 6596154 7637652 8061966 12092949 13192308 16123932 24185898 36278847 48371796 72557694 145115388
- Sum of all divisors σ(n): 435832320
- Sum of proper divisors (its aliquot sum) s(n): 290716932
- 145115388 is an abundant number, because the sum of its proper divisors (290716932) is greater than itself. Its abundance is 145601544
Bases of 145115388
- Binary: 10001010011001001000111111002
- Hexadecimal: 0x8A648FC
- Base-36: 2EEBR0
Squares and roots of 145115388
- 145115388 squared (1451153882) is 21058475834390544
- 145115388 cubed (1451153883) is 3055908891396207536091072
-
The
square root of 145115388 is 12046.3848518965 -
The
cube root of 145115388 is 525.4981068511
Scales and comparisons
How big is 145115388?- 145,115,388 seconds is equal to 4 years, 31 weeks, 6 days, 13 hours, 49 minutes, 48 seconds.
-
To count from 1 to 145,115,388 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 145115388 cubic inches would be around 43.8 feet tall.
Recreational maths with 145115388
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