128908416
128,908,416 is an even composite number composed of six prime numbers multiplied together.
128908416 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 128908416:
27 × 3 × 72 × 13 × 17 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 13 × 17 × 31)See below for interesting mathematical facts about the number 128908416 from the Numbermatics database.
Names of 128908416
- Cardinal: 128908416 can be written as One hundred twenty-eight million, nine hundred eight thousand, four hundred sixteen.
Scientific notation
- Scientific notation: 1.28908416 × 108
Factors of 128908416
Divisors of 128908416
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 31 32 34 39 42 48 49 51 52 56 62 64 68 78 84 91 93 96 98 102 104 112 119 124 128 136 147 156 168 182 186 192 196 204 208 217 221 224 238 248 272 273 294 312 336 357 364 372 384 392 403 408 416 434 442 448 476 496 527 544 546 588 624 637 651 663 672 714 728 744 784 806 816 832 833 868 884 896 952 992 1054 1088 1092 1176 1209 1248 1274 1302 1326 1344 1428 1456 1488 1519 1547 1568 1581 1612 1632 1664 1666 1736 1768 1904 1911 1984 2108 2176 2184 2352 2418 2496 2499 2548 2604 2652 2688 2821 2856 2912 2976 3038 3094 3136 3162 3224 3264 3332 3472 3536 3689 3808 3822 3968 4216 4368 4557 4641 4704 4836 4992 4998 5096 5208 5304 5642 5712 5824 5952 6076 6188 6272 6324 6448 6528 6664 6851 6944 7072 7378 7616 7644 8432 8463 8736 9114 9282 9408 9672 9996 10192 10416 10608 10829 11067 11284 11424 11648 11904 12152 12376 12648 12896 13328 13702 13888 14144 14756 15232 15288 16864 16926 17472 18228 18564 18816 19344 19747 19992 20384 20553 20832 21216 21658 22134 22568 22848 24304 24752 25296 25792 25823 26656 27404 27776 28288 29512 30576 32487 33728 33852 34944 36456 37128 38688 39494 39984 40768 41106 41664 42432 43316 44268 45136 45696 47957 48608 49504 50592 51584 51646 53312 54808 59024 59241 61152 64974 67456 67704 72912 74256 77376 77469 78988 79968 81536 82212 83328 84864 86632 88536 90272 95914 97216 99008 101184 103292 106624 109616 118048 118482 122304 129948 135408 143871 145824 148512 154752 154938 157976 159936 164424 173264 177072 180544 191828 194432 198016 202368 206584 219232 236096 236964 244608 259896 270816 287742 291648 297024 309876 315952 319872 328848 335699 346528 354144 361088 383656 413168 438464 472192 473928 519792 541632 575484 583296 594048 619752 631904 657696 671398 693056 708288 767312 826336 876928 947856 1007097 1039584 1083264 1150968 1239504 1263808 1315392 1342796 1386112 1416576 1534624 1652672 1895712 2014194 2079168 2301936 2479008 2527616 2630784 2685592 3069248 3305344 3791424 4028388 4158336 4603872 4958016 5371184 6138496 7582848 8056776 9207744 9916032 10742368 16113552 18415488 21484736 32227104 42969472 64454208 128908416
- Sum of all divisors σ(n): 468840960
- Sum of proper divisors (its aliquot sum) s(n): 339932544
- 128908416 is an abundant number, because the sum of its proper divisors (339932544) is greater than itself. Its abundance is 211024128
Bases of 128908416
- Binary: 1111010111011111100100000002
- Hexadecimal: 0x7AEFC80
- Base-36: 24QYDC
Squares and roots of 128908416
- 128908416 squared (1289084162) is 16617379715629056
- 128908416 cubed (1289084163) is 2142120097212272052535296
-
The
square root of 128908416 is 11353.7842149655 -
The
cube root of 128908416 is 505.1578319197
Scales and comparisons
How big is 128908416?- 128,908,416 seconds is equal to 4 years, 5 weeks, 23 hours, 53 minutes, 36 seconds.
-
To count from 1 to 128,908,416 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 128908416 cubic inches would be around 42.1 feet tall.
Recreational maths with 128908416
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