12918890880
12,918,890,880 is an even composite number composed of five prime numbers multiplied together.
12918890880 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 12918890880:
27 × 35 × 5 × 7 × 11867
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 11867)See below for interesting mathematical facts about the number 12918890880 from the Numbermatics database.
Names of 12918890880
- Cardinal: 12918890880 can be written as Twelve billion, nine hundred eighteen million, eight hundred ninety thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.291889088 × 1010
Factors of 12918890880
Divisors of 12918890880
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 81 84 90 96 105 108 112 120 126 128 135 140 144 160 162 168 180 189 192 210 216 224 240 243 252 270 280 288 315 320 324 336 360 378 384 405 420 432 448 480 486 504 540 560 567 576 630 640 648 672 720 756 810 840 864 896 945 960 972 1008 1080 1120 1134 1152 1215 1260 1296 1344 1440 1512 1620 1680 1701 1728 1890 1920 1944 2016 2160 2240 2268 2430 2520 2592 2688 2835 2880 3024 3240 3360 3402 3456 3780 3888 4032 4320 4480 4536 4860 5040 5184 5670 5760 6048 6480 6720 6804 7560 7776 8064 8505 8640 9072 9720 10080 10368 11340 11867 12096 12960 13440 13608 15120 15552 17010 17280 18144 19440 20160 22680 23734 24192 25920 27216 30240 31104 34020 35601 36288 38880 40320 45360 47468 51840 54432 59335 60480 68040 71202 72576 77760 83069 90720 94936 106803 108864 118670 120960 136080 142404 155520 166138 178005 181440 189872 213606 217728 237340 249207 272160 284808 320409 332276 356010 362880 379744 415345 427212 474680 498414 534015 544320 569616 640818 664552 712020 747621 759488 830690 854424 949360 961227 996828 1068030 1088640 1139232 1246035 1281636 1329104 1424040 1495242 1518976 1602045 1661380 1708848 1898720 1922454 1993656 2136060 2242863 2278464 2492070 2563272 2658208 2848080 2883681 2990484 3204090 3322760 3417696 3738105 3797440 3844908 3987312 4272120 4485726 4556928 4806135 4984140 5126544 5316416 5696160 5767362 5980968 6408180 6645520 6728589 6835392 7476210 7594880 7689816 7974624 8544240 8971452 9612270 9968280 10253088 10632832 11214315 11392320 11534724 11961936 12816360 13291040 13457178 13670784 14418405 14952420 15379632 15949248 17088480 17942904 19224540 19936560 20185767 20506176 22428630 22784640 23069448 23923872 25632720 26582080 26914356 28836810 29904840 30759264 31898496 33642945 34176960 35885808 38449080 39873120 40371534 41012352 44857260 46138896 47847744 51265440 53164160 53828712 57673620 59809680 61518528 67285890 68353920 71771616 76898160 79746240 80743068 89714520 92277792 95695488 100928835 102530880 107657424 115347240 119619360 123037056 134571780 143543232 153796320 159492480 161486136 179429040 184555584 201857670 205061760 215314848 230694480 239238720 269143560 287086464 307592640 322972272 358858080 369111168 403715340 430629696 461388960 478477440 538287120 615185280 645944544 717716160 807430680 861259392 922777920 1076574240 1291889088 1435432320 1614861360 1845555840 2153148480 2583778176 3229722720 4306296960 6459445440 12918890880
- Sum of all divisors σ(n): 52876212480
- Sum of proper divisors (its aliquot sum) s(n): 39957321600
- 12918890880 is an abundant number, because the sum of its proper divisors (39957321600) is greater than itself. Its abundance is 27038430720
Bases of 12918890880
- Binary: 11000000100000011010100001100000002
- Hexadecimal: 0x30206A180
- Base-36: 5XNKO00
Squares and roots of 12918890880
- 12918890880 squared (129188908802) is 166897741569347174400
- 12918890880 cubed (129188908803) is 2156133711452836098909929472000
-
The
square root of 12918890880 is 113661.2989543935 -
The
cube root of 12918890880 is 2346.4343620477
Scales and comparisons
How big is 12918890880?- 12,918,890,880 seconds is equal to 410 years, 40 weeks, 4 days, 4 hours, 48 minutes.
-
To count from 1 to 12,918,890,880 would take you about eight hundred twenty-one 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 12918890880 cubic inches would be around 195.5 feet tall.
Recreational maths with 12918890880
- 12918890880 backwards is 08809881921
- 12918890880 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12918890880's digits is 54
- More coming soon!
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