145368720
145,368,720 is an even composite number composed of five prime numbers multiplied together.
145368720 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 145368720:
24 × 32 × 5 × 7 × 28843
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 28843)See below for interesting mathematical facts about the number 145368720 from the Numbermatics database.
Names of 145368720
- Cardinal: 145368720 can be written as One hundred forty-five million, three hundred sixty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.4536872 × 108
Factors of 145368720
Divisors of 145368720
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1260 1680 2520 5040 28843 57686 86529 115372 144215 173058 201901 230744 259587 288430 346116 403802 432645 461488 519174 576860 605703 692232 807604 865290 1009505 1038348 1153720 1211406 1297935 1384464 1615208 1730580 1817109 2019010 2076696 2307440 2422812 2595870 3028515 3230416 3461160 3634218 4038020 4153392 4845624 5191740 6057030 6922320 7268436 8076040 9085545 9691248 10383480 12114060 14536872 16152080 18171090 20766960 24228120 29073744 36342180 48456240 72684360 145368720
- Sum of all divisors σ(n): 557958336
- Sum of proper divisors (its aliquot sum) s(n): 412589616
- 145368720 is an abundant number, because the sum of its proper divisors (412589616) is greater than itself. Its abundance is 267220896
Bases of 145368720
- Binary: 10001010101000100110100100002
- Hexadecimal: 0x8AA2690
- Base-36: 2EJR80
Squares and roots of 145368720
- 145368720 squared (1453687202) is 21132064754438400
- 145368720 cubed (1453687203) is 3071941204309824526848000
-
The
square root of 145368720 is 12056.8951227087 -
The
cube root of 145368720 is 525.8037213379
Scales and comparisons
How big is 145368720?- 145,368,720 seconds is equal to 4 years, 32 weeks, 2 days, 12 hours, 12 minutes.
-
To count from 1 to 145,368,720 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 145368720 cubic inches would be around 43.8 feet tall.
Recreational maths with 145368720
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