145322240
145,322,240 is an even composite number composed of four prime numbers multiplied together.
145322240 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 145322240:
28 × 5 × 73 × 331
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 331)See below for interesting mathematical facts about the number 145322240 from the Numbermatics database.
Names of 145322240
- Cardinal: 145322240 can be written as One hundred forty-five million, three hundred twenty-two thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.4532224 × 108
Factors of 145322240
Divisors of 145322240
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 331 343 392 448 490 560 640 662 686 784 896 980 1120 1280 1324 1372 1568 1655 1715 1792 1960 2240 2317 2648 2744 3136 3310 3430 3920 4480 4634 5296 5488 6272 6620 6860 7840 8960 9268 10592 10976 11585 12544 13240 13720 15680 16219 18536 21184 21952 23170 26480 27440 31360 32438 37072 42368 43904 46340 52960 54880 62720 64876 74144 81095 84736 87808 92680 105920 109760 113533 129752 148288 162190 185360 211840 219520 227066 259504 296576 324380 370720 423680 439040 454132 519008 567665 593152 648760 741440 908264 1038016 1135330 1297520 1482880 1816528 2076032 2270660 2595040 2965760 3633056 4152064 4541320 5190080 7266112 9082640 10380160 14532224 18165280 20760320 29064448 36330560 72661120 145322240
- Sum of all divisors σ(n): 407164800
- Sum of proper divisors (its aliquot sum) s(n): 261842560
- 145322240 is an abundant number, because the sum of its proper divisors (261842560) is greater than itself. Its abundance is 116520320
Bases of 145322240
- Binary: 10001010100101110001000000002
- Hexadecimal: 0x8A97100
- Base-36: 2EIRCW
Squares and roots of 145322240
- 145322240 squared (1453222402) is 21118553438617600
- 145322240 cubed (1453222403) is 3068995491259612135424000
-
The
square root of 145322240 is 12054.9674408519 -
The
cube root of 145322240 is 525.7476754381
Scales and comparisons
How big is 145322240?- 145,322,240 seconds is equal to 4 years, 32 weeks, 1 day, 23 hours, 17 minutes, 20 seconds.
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To count from 1 to 145,322,240 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 145322240 cubic inches would be around 43.8 feet tall.
Recreational maths with 145322240
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