128009664
128,009,664 is an even composite number composed of five prime numbers multiplied together.
128009664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 128009664:
26 × 32 × 31 × 67 × 107
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 31 × 67 × 107)See below for interesting mathematical facts about the number 128009664 from the Numbermatics database.
Names of 128009664
- Cardinal: 128009664 can be written as One hundred twenty-eight million, nine thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.28009664 × 108
Factors of 128009664
Divisors of 128009664
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 67 72 93 96 107 124 134 144 186 192 201 214 248 268 279 288 321 372 402 428 496 536 558 576 603 642 744 804 856 963 992 1072 1116 1206 1284 1488 1608 1712 1926 1984 2077 2144 2232 2412 2568 2976 3216 3317 3424 3852 4154 4288 4464 4824 5136 5952 6231 6432 6634 6848 7169 7704 8308 8928 9648 9951 10272 12462 12864 13268 14338 15408 16616 17856 18693 19296 19902 20544 21507 24924 26536 28676 29853 30816 33232 37386 38592 39804 43014 49848 53072 57352 59706 61632 64521 66464 74772 79608 86028 99696 106144 114704 119412 129042 132928 149544 159216 172056 199392 212288 222239 229408 238824 258084 299088 318432 344112 398784 444478 458816 477648 516168 598176 636864 666717 688224 888956 955296 1032336 1196352 1333434 1376448 1777912 1910592 2000151 2064672 2666868 3555824 4000302 4129344 5333736 7111648 8000604 10667472 14223296 16001208 21334944 32002416 42669888 64004832 128009664
- Sum of all divisors σ(n): 387998208
- Sum of proper divisors (its aliquot sum) s(n): 259988544
- 128009664 is an abundant number, because the sum of its proper divisors (259988544) is greater than itself. Its abundance is 131978880
Bases of 128009664
- Binary: 1111010000101000101110000002
- Hexadecimal: 0x7A145C0
- Base-36: 247OW0
Squares and roots of 128009664
- 128009664 squared (1280096642) is 16386474077392896
- 128009664 cubed (1280096643) is 2097627040791774612946944
-
The
square root of 128009664 is 11314.1355834195 -
The
cube root of 128009664 is 503.9811028441
Scales and comparisons
How big is 128009664?- 128,009,664 seconds is equal to 4 years, 3 weeks, 4 days, 14 hours, 14 minutes, 24 seconds.
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To count from 1 to 128,009,664 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 128009664 cubic inches would be around 42 feet tall.
Recreational maths with 128009664
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