128142790400
128,142,790,400 is an even composite number composed of five prime numbers multiplied together.
128142790400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 128142790400:
28 × 52 × 17 × 31 × 37993
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 31 × 37993)See below for interesting mathematical facts about the number 128142790400 from the Numbermatics database.
Names of 128142790400
- Cardinal: 128142790400 can be written as One hundred twenty-eight billion, one hundred forty-two million, seven hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 1.281427904 × 1011
Factors of 128142790400
Divisors of 128142790400
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 31 32 34 40 50 62 64 68 80 85 100 124 128 136 155 160 170 200 248 256 272 310 320 340 400 425 496 527 544 620 640 680 775 800 850 992 1054 1088 1240 1280 1360 1550 1600 1700 1984 2108 2176 2480 2635 2720 3100 3200 3400 3968 4216 4352 4960 5270 5440 6200 6400 6800 7936 8432 9920 10540 10880 12400 13175 13600 16864 19840 21080 21760 24800 26350 27200 33728 37993 39680 42160 49600 52700 54400 67456 75986 84320 99200 105400 108800 134912 151972 168640 189965 198400 210800 303944 337280 379930 421600 607888 645881 674560 759860 843200 949825 1177783 1215776 1291762 1519720 1686400 1899650 2355566 2431552 2583524 3039440 3229405 3372800 3799300 4711132 4863104 5167048 5888915 6078880 6458810 7598600 9422264 9726208 10334096 11777830 12157760 12917620 15197200 16147025 18844528 20022311 20668192 23555660 24315520 25835240 29444575 30394400 32294050 37689056 40044622 41336384 47111320 48631040 51670480 58889150 60788800 64588100 75378112 80089244 82672768 94222640 100111555 103340960 117778300 121577600 129176200 150756224 160178488 165345536 188445280 200223110 206681920 235556600 243155200 258352400 301512448 320356976 376890560 400446220 413363840 471113200 500557775 516704800 640713952 753781120 800892440 826727680 942226400 1001115550 1033409600 1281427904 1507562240 1601784880 1884452800 2002231100 2066819200 2562855808 3203569760 3768905600 4004462200 4133638400 5125711616 6407139520 7537811200 8008924400 12814279040 16017848800 25628558080 32035697600 64071395200 128142790400
- Sum of all divisors σ(n): 346673061504
- Sum of proper divisors (its aliquot sum) s(n): 218530271104
- 128142790400 is an abundant number, because the sum of its proper divisors (218530271104) is greater than itself. Its abundance is 90387480704
Bases of 128142790400
- Binary: 11101110101011110011111001111000000002
- Hexadecimal: 0x1DD5E7CF00
- Base-36: 1MV8WPVK
Squares and roots of 128142790400
- 128142790400 squared (1281427904002) is 16420574731498332160000
- 128142790400 cubed (1281427904003) is 2104178266065927055928459264000000
-
The
square root of 128142790400 is 357970.3764279943 -
The
cube root of 128142790400 is 5041.5575097313
Scales and comparisons
How big is 128142790400?- 128,142,790,400 seconds is equal to 4,074 years, 28 weeks, 2 days, 3 hours, 33 minutes, 20 seconds.
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To count from 1 to 128,142,790,400 would take you about eight thousand, one hundred forty-nine 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 128142790400 cubic inches would be around 420.1 feet tall.
Recreational maths with 128142790400
- 128142790400 backwards is 004097241821
- The number of decimal digits it has is: 12
- The sum of 128142790400's digits is 38
- More coming soon!
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