12139868640
12,139,868,640 is an even composite number composed of six prime numbers multiplied together.
12139868640 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 12139868640:
25 × 3 × 5 × 17 × 293 × 61
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 29 × 29 × 29 × 61)See below for interesting mathematical facts about the number 12139868640 from the Numbermatics database.
Names of 12139868640
- Cardinal: 12139868640 can be written as Twelve billion, one hundred thirty-nine million, eight hundred sixty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.213986864 × 1010
Factors of 12139868640
Divisors of 12139868640
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 29 30 32 34 40 48 51 58 60 61 68 80 85 87 96 102 116 120 122 136 145 160 170 174 183 204 232 240 244 255 272 290 305 340 348 366 408 435 464 480 488 493 510 544 580 610 680 696 732 816 841 870 915 928 976 986 1020 1037 1160 1220 1360 1392 1464 1479 1632 1682 1740 1769 1830 1952 1972 2040 2074 2320 2440 2465 2523 2720 2784 2928 2958 3111 3364 3480 3538 3660 3944 4080 4148 4205 4640 4880 4930 5046 5185 5307 5856 5916 6222 6728 6960 7076 7320 7395 7888 8160 8296 8410 8845 9760 9860 10092 10370 10614 11832 12444 12615 13456 13920 14152 14297 14640 14790 15555 15776 16592 16820 17690 19720 20184 20740 21228 23664 24389 24888 25230 26535 26912 28304 28594 29280 29580 30073 31110 33184 33640 35380 39440 40368 41480 42456 42891 47328 48778 49776 50460 51301 53070 56608 57188 59160 60146 62220 67280 70760 71485 73167 78880 80736 82960 84912 85782 90219 97556 99552 100920 102602 106140 114376 118320 120292 121945 124440 134560 141520 142970 146334 150365 153903 165920 169824 171564 180438 195112 201840 205204 212280 214455 228752 236640 240584 243890 248880 256505 283040 285940 292668 300730 307806 343128 360876 365835 390224 403680 410408 414613 424560 428910 451095 457504 481168 487780 497760 513010 571880 585336 601460 615612 686256 721752 731670 769515 780448 820816 829226 849120 857820 872117 902190 962336 975560 1026020 1143760 1170672 1202920 1231224 1243839 1372512 1443504 1463340 1487729 1539030 1641632 1658452 1715640 1744234 1804380 1951120 2052040 2073065 2287520 2341344 2405840 2462448 2487678 2616351 2887008 2926680 2975458 3078060 3316904 3431280 3488468 3608760 3902240 4104080 4146130 4360585 4463187 4811680 4924896 4975356 5232702 5853360 5950916 6156120 6219195 6633808 6862560 6976936 7217520 7438645 8208160 8292260 8721170 8926374 9950712 10465404 11706720 11901832 12312240 12438390 13081755 13267616 13953872 14435040 14877290 16584520 17442340 17852748 19901424 20930808 22315935 23803664 24624480 24876780 25291393 26163510 27907744 29754580 33169040 34884680 35705496 39802848 41861616 44631870 47607328 49753560 50582786 52327020 59509160 66338080 69769360 71410992 75874179 83723232 89263740 99507120 101165572 104654040 119018320 126456965 139538720 142821984 151748358 178527480 199014240 202331144 209308080 238036640 252913930 303496716 357054960 379370895 404662288 418616160 505827860 606993432 714109920 758741790 809324576 1011655720 1213986864 1517483580 2023311440 2427973728 3034967160 4046622880 6069934320 12139868640
- Sum of all divisors σ(n): 42623521920
- Sum of proper divisors (its aliquot sum) s(n): 30483653280
- 12139868640 is an abundant number, because the sum of its proper divisors (30483653280) is greater than itself. Its abundance is 18343784640
Bases of 12139868640
- Binary: 10110100111001011110110001111000002
- Hexadecimal: 0x2D397B1E0
- Base-36: 5KRRILC
Squares and roots of 12139868640
- 12139868640 squared (121398686402) is 147376410596455449600
- 12139868640 cubed (121398686403) is 1789130265275673207756140544000
-
The
square root of 12139868640 is 110181.0720586799 -
The
cube root of 12139868640 is 2298.2891271655
Scales and comparisons
How big is 12139868640?- 12,139,868,640 seconds is equal to 386 years, 3 days, 17 hours, 44 minutes.
-
To count from 1 to 12,139,868,640 would take you about seven hundred seventy-two 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 12139868640 cubic inches would be around 191.5 feet tall.
Recreational maths with 12139868640
- 12139868640 backwards is 04686893121
- 12139868640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12139868640's digits is 48
- More coming soon!
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