128421491328
128,421,491,328 is an even composite number composed of five prime numbers multiplied together.
128421491328 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 128421491328:
27 × 32 × 13 × 661 × 12973
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 661 × 12973)See below for interesting mathematical facts about the number 128421491328 from the Numbermatics database.
Names of 128421491328
- Cardinal: 128421491328 can be written as One hundred twenty-eight billion, four hundred twenty-one million, four hundred ninety-one thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 1.28421491328 × 1011
Factors of 128421491328
Divisors of 128421491328
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 288 312 384 416 468 576 624 661 832 936 1152 1248 1322 1664 1872 1983 2496 2644 3744 3966 4992 5288 5949 7488 7932 8593 10576 11898 12973 14976 15864 17186 21152 23796 25779 25946 31728 34372 38919 42304 47592 51558 51892 63456 68744 77337 77838 84608 95184 103116 103784 116757 126912 137488 154674 155676 168649 190368 206232 207568 233514 253824 274976 309348 311352 337298 380736 412464 415136 467028 505947 549952 618696 622704 674596 761472 824928 830272 934056 1011894 1099904 1237392 1245408 1349192 1517841 1649856 1660544 1868112 2023788 2474784 2490816 2698384 3035682 3299712 3736224 4047576 4949568 4981632 5396768 6071364 7472448 8095152 8575153 9899136 10793536 12142728 14944896 16190304 17150306 21587072 24285456 25725459 32380608 34300612 48570912 51450918 64761216 68601224 77176377 97141824 102901836 111476989 137202448 154352754 194283648 205803672 222953978 274404896 308705508 334430967 411607344 445907956 548809792 617411016 668861934 823214688 891815912 1003292901 1097619584 1234822032 1337723868 1646429376 1783631824 2006585802 2469644064 2675447736 3292858752 3567263648 4013171604 4939288128 5350895472 7134527296 8026343208 9878576256 10701790944 14269054592 16052686416 21403581888 32105372832 42807163776 64210745664 128421491328
- Sum of all divisors σ(n): 398605651080
- Sum of proper divisors (its aliquot sum) s(n): 270184159752
- 128421491328 is an abundant number, because the sum of its proper divisors (270184159752) is greater than itself. Its abundance is 141762668424
Bases of 128421491328
- Binary: 11101111001101000010001110010100000002
- Hexadecimal: 0x1DE6847280
- Base-36: 1MZUU8W0
Squares and roots of 128421491328
- 128421491328 squared (1284214913282) is 16492079434907579203584
- 128421491328 cubed (1284214913283) is 2117937436130670823174535802519552
-
The
square root of 128421491328 is 358359.4443125505 -
The
cube root of 128421491328 is 5045.2098658997
Scales and comparisons
How big is 128421491328?- 128,421,491,328 seconds is equal to 4,083 years, 21 weeks, 20 hours, 28 minutes, 48 seconds.
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To count from 1 to 128,421,491,328 would take you about eight thousand, one hundred sixty-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 128421491328 cubic inches would be around 420.4 feet tall.
Recreational maths with 128421491328
- 128421491328 backwards is 823194124821
- The number of decimal digits it has is: 12
- The sum of 128421491328's digits is 45
- More coming soon!
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The information we have on file for 128421491328 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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