142640640
142,640,640 is an even composite number composed of five prime numbers multiplied together.
142640640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 142640640:
29 × 32 × 5 × 41 × 151
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 151)See below for interesting mathematical facts about the number 142640640 from the Numbermatics database.
Names of 142640640
- Cardinal: 142640640 can be written as One hundred forty-two million, six hundred forty thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.4264064 × 108
Factors of 142640640
Divisors of 142640640
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 128 144 151 160 164 180 192 205 240 246 256 288 302 320 328 360 369 384 410 453 480 492 512 576 604 615 640 656 720 738 755 768 820 906 960 984 1152 1208 1230 1280 1312 1359 1440 1476 1510 1536 1640 1812 1845 1920 1968 2265 2304 2416 2460 2560 2624 2718 2880 2952 3020 3280 3624 3690 3840 3936 4530 4608 4832 4920 5248 5436 5760 5904 6040 6191 6560 6795 7248 7380 7680 7872 9060 9664 9840 10496 10872 11520 11808 12080 12382 13120 13590 14496 14760 15744 18120 18573 19328 19680 20992 21744 23040 23616 24160 24764 26240 27180 28992 29520 30955 31488 36240 37146 38656 39360 43488 47232 48320 49528 52480 54360 55719 57984 59040 61910 62976 72480 74292 77312 78720 86976 92865 94464 96640 99056 104960 108720 111438 115968 118080 123820 144960 148584 157440 173952 185730 188928 193280 198112 217440 222876 231936 236160 247640 278595 289920 297168 314880 347904 371460 386560 396224 434880 445752 472320 495280 557190 579840 594336 695808 742920 792448 869760 891504 944640 990560 1114380 1159680 1188672 1485840 1584896 1739520 1783008 1981120 2228760 2377344 2971680 3169792 3479040 3566016 3962240 4457520 4754688 5943360 7132032 7924480 8915040 9509376 11886720 14264064 15848960 17830080 23773440 28528128 35660160 47546880 71320320 142640640
- Sum of all divisors σ(n): 509404896
- Sum of proper divisors (its aliquot sum) s(n): 366764256
- 142640640 is an abundant number, because the sum of its proper divisors (366764256) is greater than itself. Its abundance is 224123616
Bases of 142640640
- Binary: 10001000000010000110000000002
- Hexadecimal: 0x8808600
- Base-36: 2CXA80
Squares and roots of 142640640
- 142640640 squared (1426406402) is 20346352179609600
- 142640640 cubed (1426406403) is 2902216696564908294144000
-
The
square root of 142640640 is 11943.2256949285 -
The
cube root of 142640640 is 522.4937416739
Scales and comparisons
How big is 142640640?- 142,640,640 seconds is equal to 4 years, 27 weeks, 5 days, 22 hours, 24 minutes.
-
To count from 1 to 142,640,640 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 142640640 cubic inches would be around 43.5 feet tall.
Recreational maths with 142640640
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