145440090
145,440,090 is an even composite number composed of six prime numbers multiplied together.
145440090 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 145440090:
2 × 33 × 5 × 47 × 73 × 157
(2 × 3 × 3 × 3 × 5 × 47 × 73 × 157)See below for interesting mathematical facts about the number 145440090 from the Numbermatics database.
Names of 145440090
- Cardinal: 145440090 can be written as One hundred forty-five million, four hundred forty thousand and ninety.
Scientific notation
- Scientific notation: 1.4544009 × 108
Factors of 145440090
Divisors of 145440090
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 47 54 73 90 94 135 141 146 157 219 235 270 282 314 365 423 438 470 471 657 705 730 785 846 942 1095 1269 1314 1410 1413 1570 1971 2115 2190 2355 2538 2826 3285 3431 3942 4230 4239 4710 6345 6570 6862 7065 7379 8478 9855 10293 11461 12690 14130 14758 17155 19710 20586 21195 22137 22922 30879 34310 34383 36895 42390 44274 51465 57305 61758 66411 68766 73790 92637 102930 103149 110685 114610 132822 154395 171915 185274 199233 206298 221370 308790 309447 332055 343830 398466 463185 515745 538667 618894 664110 926370 996165 1031490 1077334 1547235 1616001 1992330 2693335 3094470 3232002 4848003 5386670 8080005 9696006 14544009 16160010 24240015 29088018 48480030 72720045 145440090
- Sum of all divisors σ(n): 404075520
- Sum of proper divisors (its aliquot sum) s(n): 258635430
- 145440090 is an abundant number, because the sum of its proper divisors (258635430) is greater than itself. Its abundance is 113195340
Bases of 145440090
- Binary: 10001010101100111101010110102
- Hexadecimal: 0x8AB3D5A
- Base-36: 2ELAAI
Squares and roots of 145440090
- 145440090 squared (1454400902) is 21152819779208100
- 145440090 cubed (1454400903) is 3076468012441806192729000
-
The
square root of 145440090 is 12059.8544767339 -
The
cube root of 145440090 is 525.8897565177
Scales and comparisons
How big is 145440090?- 145,440,090 seconds is equal to 4 years, 32 weeks, 3 days, 8 hours, 1 minute, 30 seconds.
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To count from 1 to 145,440,090 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 145440090 cubic inches would be around 43.8 feet tall.
Recreational maths with 145440090
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