12391738128
12,391,738,128 is an even composite number composed of seven prime numbers multiplied together.
12391738128 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 12391738128:
24 × 33 × 7 × 11 × 31 × 61 × 197
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 11 × 31 × 61 × 197)See below for interesting mathematical facts about the number 12391738128 from the Numbermatics database.
Names of 12391738128
- Cardinal: 12391738128 can be written as Twelve billion, three hundred ninety-one million, seven hundred thirty-eight thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.2391738128 × 1010
Factors of 12391738128
Divisors of 12391738128
- Number of divisors d(n): 640
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 31 33 36 42 44 48 54 56 61 62 63 66 72 77 84 88 93 99 108 112 122 124 126 132 144 154 168 176 183 186 189 197 198 216 217 231 244 248 252 264 279 297 308 336 341 366 372 378 394 396 427 432 434 462 488 496 504 528 549 558 591 594 616 651 671 682 693 732 744 756 788 792 837 854 868 924 976 1008 1023 1098 1116 1182 1188 1232 1281 1302 1342 1364 1379 1386 1464 1488 1512 1576 1584 1647 1674 1708 1736 1773 1848 1891 1953 2013 2046 2079 2167 2196 2232 2364 2376 2387 2562 2604 2684 2728 2758 2772 2928 3024 3069 3152 3294 3348 3416 3472 3546 3696 3782 3843 3906 4026 4092 4137 4158 4334 4392 4464 4697 4728 4752 4774 5124 5208 5319 5368 5456 5516 5544 5673 5859 6039 6107 6138 6501 6588 6696 6832 7092 7161 7564 7686 7812 8052 8184 8274 8316 8668 8784 9207 9394 9456 9548 10248 10416 10638 10736 11032 11088 11346 11529 11718 12017 12078 12214 12276 12411 13002 13176 13237 13392 14091 14184 14322 15128 15169 15372 15624 16104 16368 16548 16632 17019 17336 18117 18321 18414 18788 19096 19503 20496 20801 21276 21483 22064 22692 23058 23436 24034 24156 24428 24552 24822 26004 26352 26474 28182 28368 28644 30256 30338 30744 31248 32208 33096 33264 34038 34672 36051 36234 36642 36828 37233 37576 38192 39006 39711 41602 42273 42552 42749 42966 45384 45507 46116 46872 48068 48312 48856 49104 49644 51057 52008 52948 54963 56364 57288 58509 60676 61488 62403 64449 66192 67177 68076 72102 72468 73284 73656 74466 75152 78012 79422 83204 84119 84546 85104 85498 85932 90768 91014 92232 93744 96136 96624 97712 99288 102114 104016 105896 108153 109926 112728 114576 117018 119133 121352 124806 126819 128247 128898 132187 134354 136152 136521 144204 144936 145607 146568 147312 148932 156024 158844 164889 166408 168238 169092 170996 171864 182028 184464 187209 192272 198576 201531 204228 211792 216306 219852 225456 234036 238266 242704 249612 252357 253638 256494 257796 264374 268708 272304 273042 288408 289872 291214 293136 297864 312048 317688 324459 329778 332816 336476 338184 341992 343728 357399 364056 372527 374418 384741 396561 403062 408456 409563 432612 436821 439704 468072 470239 476532 499224 504714 507276 512988 515592 528748 537416 546084 561627 576816 582428 595728 604593 635376 648918 659556 672952 676368 683984 714798 728112 745054 748836 757071 769482 793122 806124 816912 819126 865224 873642 879408 925309 936144 940478 953064 998448 1009428 1014552 1025976 1031184 1057496 1074832 1092168 1117581 1123254 1154223 1164856 1189683 1209186 1297836 1310463 1319112 1345904 1410717 1429596 1490108 1497672 1514142 1538964 1586244 1612248 1638252 1730448 1747284 1813779 1850618 1880956 1906128 2018856 2029104 2051952 2114992 2184336 2235162 2246508 2271213 2308446 2329712 2379366 2418372 2595672 2607689 2620926 2638224 2775927 2821434 2859192 2980216 2995344 3028284 3077928 3172488 3224496 3276504 3352743 3494568 3569049 3627558 3701236 3761912 3931389 4037712 4097797 4232151 4470324 4493016 4542426 4616892 4758732 4836744 5191344 5215378 5241852 5551854 5642868 5718384 5960432 6056568 6155856 6344976 6553008 6705486 6989136 7138098 7255116 7402472 7523824 7823067 7862778 8195594 8327781 8464302 8940648 8986032 9084852 9233784 9517464 9673488 10058229 10430756 10483704 11103708 11285736 12113136 12293391 12696453 13410972 14276196 14510232 14804944 15646134 15725556 16391188 16655562 16928604 17881296 18169704 18467568 19034928 20116458 20861512 20967408 22207416 22571472 23469201 24586782 24983343 25392906 26821944 28552392 28684579 29020464 31292268 31451112 32782376 33311124 33857208 36339408 36880173 40232916 41723024 44414832 46938402 49173564 49966686 50785812 53643888 57104784 57369158 62584536 62902224 65564752 66622248 67714416 70407603 73760346 80465832 86053737 93876804 98347128 99933372 101571624 110640519 114738316 125169072 133244496 140815206 147520692 160931664 172107474 187753608 196694256 199866744 203143248 221281038 229476632 258161211 281630412 295041384 344214948 375507216 399733488 442562076 458953264 516322422 563260824 590082768 688429896 774483633 885124152 1032644844 1126521648 1376859792 1548967266 1770248304 2065289688 3097934532 4130579376 6195869064 12391738128
- Sum of all divisors σ(n): 46762721280
- Sum of proper divisors (its aliquot sum) s(n): 34370983152
- 12391738128 is an abundant number, because the sum of its proper divisors (34370983152) is greater than itself. Its abundance is 21979245024
Bases of 12391738128
- Binary: 10111000101001101011101011000100002
- Hexadecimal: 0x2E29AEB10
- Base-36: 5OXPYC0
Squares and roots of 12391738128
- 12391738128 squared (123917381282) is 153555173832928944384
- 12391738128 cubed (123917381283) is 1902815502337173502038004273152
-
The
square root of 12391738128 is 111318.1841749137 -
The
cube root of 12391738128 is 2314.0748855167
Scales and comparisons
How big is 12391738128?- 12,391,738,128 seconds is equal to 394 years, 6 days, 21 hours, 28 minutes, 48 seconds.
-
To count from 1 to 12,391,738,128 would take you about seven hundred eighty-eight 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 12391738128 cubic inches would be around 192.8 feet tall.
Recreational maths with 12391738128
- 12391738128 backwards is 82183719321
- The number of decimal digits it has is: 11
- The sum of 12391738128's digits is 45
- More coming soon!
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