121908864
121,908,864 is an even composite number composed of six prime numbers multiplied together.
121908864 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 121908864:
27 × 3 × 72 × 11 × 19 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 11 × 19 × 31)See below for interesting mathematical facts about the number 121908864 from the Numbermatics database.
Names of 121908864
- Cardinal: 121908864 can be written as One hundred twenty-one million, nine hundred eight thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.21908864 × 108
Factors of 121908864
Divisors of 121908864
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 16 19 21 22 24 28 31 32 33 38 42 44 48 49 56 57 62 64 66 76 77 84 88 93 96 98 112 114 124 128 132 133 147 152 154 168 176 186 192 196 209 217 224 228 231 248 264 266 294 304 308 336 341 352 372 384 392 399 418 434 448 456 462 496 528 532 539 588 589 608 616 627 651 672 682 704 744 784 798 836 868 896 912 924 931 992 1023 1056 1064 1078 1176 1178 1216 1232 1254 1302 1344 1364 1408 1463 1488 1519 1568 1596 1617 1672 1736 1767 1824 1848 1862 1984 2046 2112 2128 2156 2352 2356 2387 2432 2464 2508 2604 2688 2728 2793 2926 2976 3038 3136 3192 3234 3344 3472 3534 3648 3696 3724 3968 4092 4123 4224 4256 4312 4389 4557 4704 4712 4774 4928 5016 5208 5456 5586 5852 5952 6076 6272 6384 6468 6479 6688 6944 7068 7161 7296 7392 7448 8184 8246 8512 8624 8778 9114 9408 9424 9548 9856 10032 10241 10416 10912 11172 11704 11904 12152 12369 12768 12936 12958 13376 13888 14136 14322 14784 14896 16368 16492 16709 17024 17248 17556 18228 18816 18848 19096 19437 20064 20482 20832 21824 22344 23408 24304 24738 25536 25872 25916 26752 27776 28272 28644 28861 29568 29792 30723 32736 32984 33418 34496 35112 36456 37696 38192 38874 40128 40964 41664 43648 44688 45353 46816 48608 49476 50127 51072 51744 51832 56544 57288 57722 59584 61446 65472 65968 66836 68992 70224 72912 75392 76384 77748 80256 81928 83328 86583 89376 90706 93632 97216 98952 100254 103488 103664 113088 114576 115444 119168 122892 130944 131936 133672 136059 140448 145824 152768 155496 163856 173166 178752 181412 187264 194432 197904 200508 206976 207328 226176 229152 230888 245784 263872 267344 272118 280896 291648 305536 310992 317471 327712 346332 357504 362824 395808 401016 414656 458304 461776 491568 527744 534688 544236 561792 583296 621984 634942 655424 692664 725648 791616 802032 829312 916608 923552 952413 983136 1069376 1088472 1243968 1269884 1310848 1385328 1451296 1583232 1604064 1847104 1904826 1966272 2138752 2176944 2487936 2539768 2770656 2902592 3208128 3694208 3809652 3932544 4353888 5079536 5541312 5805184 6416256 7619304 8707776 10159072 11082624 15238608 17415552 20318144 30477216 40636288 60954432 121908864
- Sum of all divisors σ(n): 446515200
- Sum of proper divisors (its aliquot sum) s(n): 324606336
- 121908864 is an abundant number, because the sum of its proper divisors (324606336) is greater than itself. Its abundance is 202697472
Bases of 121908864
- Binary: 1110100010000101110100000002
- Hexadecimal: 0x7442E80
- Base-36: 20KXHC
Squares and roots of 121908864
- 121908864 squared (1219088642) is 14861771121770496
- 121908864 cubed (1219088643) is 1811781634483046836076544
-
The
square root of 121908864 is 11041.2347135635 -
The
cube root of 121908864 is 495.8440369855
Scales and comparisons
How big is 121908864?- 121,908,864 seconds is equal to 3 years, 45 weeks, 3 days, 23 hours, 34 minutes, 24 seconds.
-
To count from 1 to 121,908,864 would take you about five 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 121908864 cubic inches would be around 41.3 feet tall.
Recreational maths with 121908864
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