12987152640
12,987,152,640 is an even composite number composed of five prime numbers multiplied together.
12987152640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of six hundred forty-eight divisors.
Prime factorization of 12987152640:
28 × 32 × 5 × 7 × 115
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 11 × 11 × 11 × 11 × 11)See below for interesting mathematical facts about the number 12987152640 from the Numbermatics database.
Names of 12987152640
- Cardinal: 12987152640 can be written as Twelve billion, nine hundred eighty-seven million, one hundred fifty-two thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.298715264 × 1010
Factors of 12987152640
Divisors of 12987152640
- Number of divisors d(n): 648
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 32 33 35 36 40 42 44 45 48 55 56 60 63 64 66 70 72 77 80 84 88 90 96 99 105 110 112 120 121 126 128 132 140 144 154 160 165 168 176 180 192 198 210 220 224 231 240 242 252 256 264 280 288 308 315 320 330 336 352 360 363 384 385 396 420 440 448 462 480 484 495 504 528 560 576 605 616 630 640 660 672 693 704 720 726 768 770 792 840 847 880 896 924 960 968 990 1008 1056 1089 1120 1152 1155 1210 1232 1260 1280 1320 1331 1344 1386 1408 1440 1452 1540 1584 1680 1694 1760 1792 1815 1848 1920 1936 1980 2016 2112 2178 2240 2304 2310 2420 2464 2520 2541 2640 2662 2688 2772 2816 2880 2904 3080 3168 3360 3388 3465 3520 3630 3696 3840 3872 3960 3993 4032 4224 4235 4356 4480 4620 4840 4928 5040 5082 5280 5324 5376 5445 5544 5760 5808 6160 6336 6655 6720 6776 6930 7040 7260 7392 7623 7744 7920 7986 8064 8448 8470 8712 8960 9240 9317 9680 9856 10080 10164 10560 10648 10890 11088 11520 11616 11979 12320 12672 12705 13310 13440 13552 13860 14080 14520 14641 14784 15246 15488 15840 15972 16128 16940 17424 18480 18634 19360 19712 19965 20160 20328 21120 21296 21780 22176 23232 23958 24640 25344 25410 26620 26880 27104 27720 27951 29040 29282 29568 30492 30976 31680 31944 33880 34848 36960 37268 38115 38720 39930 40320 40656 42240 42592 43560 43923 44352 46464 46585 47916 49280 50820 53240 54208 55440 55902 58080 58564 59136 59895 60984 63360 63888 67760 69696 73205 73920 74536 76230 77440 79860 80640 81312 83853 85184 87120 87846 88704 92928 93170 95832 98560 101640 102487 106480 108416 110880 111804 116160 117128 119790 121968 126720 127776 131769 135520 139392 139755 146410 147840 149072 152460 154880 159720 161051 162624 167706 170368 174240 175692 177408 186340 191664 203280 204974 212960 216832 219615 221760 223608 232320 234256 239580 243936 255552 263538 271040 278784 279510 292820 295680 298144 304920 307461 319440 322102 325248 335412 340736 348480 351384 372680 383328 406560 409948 419265 425920 439230 443520 447216 464640 468512 479160 483153 487872 511104 512435 527076 542080 559020 585640 596288 609840 614922 638880 644204 650496 658845 670824 696960 702768 745360 766656 805255 813120 819896 838530 851840 878460 887040 894432 922383 937024 958320 966306 975744 1022208 1024870 1054152 1084160 1118040 1127357 1171280 1192576 1219680 1229844 1277760 1288408 1317690 1341648 1393920 1405536 1449459 1490720 1533312 1537305 1610510 1626240 1639792 1677060 1703680 1756920 1788864 1844766 1874048 1916640 1932612 1951488 2049740 2108304 2236080 2254714 2342560 2385152 2415765 2439360 2459688 2555520 2576816 2635380 2683296 2811072 2898918 2981440 3066624 3074610 3221020 3252480 3279584 3354120 3382071 3513840 3577728 3689532 3748096 3833280 3865224 4099480 4216608 4472160 4509428 4611915 4685120 4831530 4878720 4919376 5111040 5153632 5270760 5366592 5622144 5636785 5797836 5962880 6149220 6442040 6559168 6708240 6764142 7027680 7155456 7247295 7379064 7666560 7730448 8198960 8433216 8944320 9018856 9223830 9370240 9663060 9757440 9838752 10146213 10307264 10541520 10733184 11244288 11273570 11595672 11925760 12298440 12884080 13118336 13416480 13528284 14055360 14494590 14758128 15333120 15460896 16397920 16866432 16910355 17888640 18037712 18447660 18740480 19326120 19677504 20292426 20614528 21083040 21466368 22547140 23191344 24596880 25768160 26236672 26832960 27056568 28110720 28989180 29516256 30921792 32795840 33732864 33820710 35777280 36075424 36895320 38652240 39355008 40584852 41229056 42166080 45094280 46382688 49193760 50731065 51536320 53665920 54113136 56221440 57978360 59032512 61843584 65591680 67641420 72150848 73790640 77304480 78710016 81169704 84332160 90188560 92765376 98387520 101462130 103072640 107331840 108226272 115956720 118065024 123687168 131183360 135282840 144301696 147581280 154608960 162339408 168664320 180377120 185530752 196775040 202924260 206145280 216452544 231913440 236130048 270565680 288603392 295162560 309217920 324678816 360754240 371061504 393550080 405848520 432905088 463826880 541131360 590325120 618435840 649357632 721508480 811697040 865810176 927653760 1082262720 1180650240 1298715264 1443016960 1623394080 1855307520 2164525440 2597430528 3246788160 4329050880 6493576320 12987152640
- Sum of all divisors σ(n): 56488670784
- Sum of proper divisors (its aliquot sum) s(n): 43501518144
- 12987152640 is an abundant number, because the sum of its proper divisors (43501518144) is greater than itself. Its abundance is 30514365504
Bases of 12987152640
- Binary: 11000001100001100000111001000000002
- Hexadecimal: 0x306183900
- Base-36: 5YS7R40
Squares and roots of 12987152640
- 12987152640 squared (129871526402) is 168666133694658969600
- 12987152640 cubed (129871526403) is 2190492823491183190940319744000
-
The
square root of 12987152640 is 113961.1891829845 -
The
cube root of 12987152640 is 2350.5598569535
Scales and comparisons
How big is 12987152640?- 12,987,152,640 seconds is equal to 412 years, 49 weeks, 3 days, 6 hours, 24 minutes.
-
To count from 1 to 12,987,152,640 would take you about eight hundred twenty-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 12987152640 cubic inches would be around 195.9 feet tall.
Recreational maths with 12987152640
- 12987152640 backwards is 04625178921
- 12987152640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12987152640's digits is 45
- More coming soon!
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