12438891360

Names of 12438891360

• Cardinal: 12438891360 can be written as Twelve billion, four hundred thirty-eight million, eight hundred ninety-one thousand, three hundred sixty.

Scientific notation

• Scientific notation: 1.243889136 × 10¹⁰

Factors of 12438891360

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4471

Divisors of 12438891360

• Number of divisors d(n): 480
• 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 31 32 35 36 40 42 45 48 54 56 60 62 63 70 72 80 81 84 90 93 96 105 108 112 120 124 126 135 140 144 155 160 162 168 180 186 189 210 216 217 224 240 248 252 270 279 280 288 310 315 324 336 360 372 378 405 420 432 434 465 480 496 504 540 558 560 567 620 630 648 651 672 720 744 756 810 837 840 864 868 930 945 992 1008 1080 1085 1116 1120 1134 1240 1260 1296 1302 1395 1440 1488 1512 1620 1674 1680 1736 1860 1890 1953 2016 2160 2170 2232 2268 2480 2511 2520 2592 2604 2790 2835 2976 3024 3240 3255 3348 3360 3472 3720 3780 3906 4185 4320 4340 4423 4464 4536 4960 5022 5040 5208 5580 5670 5859 6048 6480 6510 6696 6944 7440 7560 7812 8370 8680 8846 8928 9072 9765 10044 10080 10416 11160 11340 11718 12555 12960 13020 13269 13392 14880 15120 15624 16740 17360 17577 17692 18144 19530 20088 20832 22115 22320 22680 23436 25110 26040 26538 26784 29295 30240 30961 31248 33480 34720 35154 35384 39060 39807 40176 44230 44640 45360 46872 50220 52080 53076 58590 61922 62496 66345 66960 70308 70768 78120 79614 80352 87885 88460 90720 92883 93744 100440 104160 106152 117180 119421 123844 132690 133920 137113 140616 141536 154805 156240 159228 175770 176920 185766 187488 199035 200880 212304 234360 238842 247688 265380 274226 278649 281232 309610 312480 318456 351540 353840 358263 371532 398070 401760 411339 424608 464415 468720 477684 495376 530760 548452 557298 562464 597105 619220 636912 685565 703080 707680 716526 743064 796140 822678 835947 928830 937440 955368 959791 990752 1061520 1096904 1114596 1194210 1234017 1238440 1273824 1371130 1393245 1406160 1433052 1486128 1592280 1645356 1671894 1791315 1857660 1910736 1919582 2056695 2123040 2193808 2229192 2388420 2468034 2476880 2507841 2742260 2786490 2812320 2866104 2879373 2972256 3184560 3290712 3343788 3582630 3702051 3715320 3821472 3839164 4113390 4179735 4387616 4458384 4776840 4798955 4936068 4953760 5015682 5484520 5572980 5732208 5758746 6170085 6369120 6581424 6687576 7165260 7404102 7430640 7678328 8226780 8359470 8638119 8916768 9553680 9597910 9872136 10031364 10969040 11106153 11145960 11464416 11517492 12340170 12539205 13162848 13375152 14330520 14396865 14808204 14861280 15356656 16453560 16718940 17276238 18510255 19107360 19195820 19744272 20062728 21938080 22212306 22291920 23034984 24680340 25078410 25914357 26750304 28661040 28793730 29616408 30713312 32907120 33437880 34552476 37020510 38391640 39488544 40125456 43190595 44424612 44583840 46069968 49360680 50156820 51828714 55530765 57322080 57587460 59232816 65814240 66875760 69104952 74041020 76783280 77743071 80250912 86381190 88849224 92139936 98721360 100313640 103657428 111061530 115174920 118465632 129571785 133751520 138209904 148082040 153566560 155486142 172762380 177698448 197442720 200627280 207314856 222123060 230349840 259143570 276419808 296164080 310972284 345524760 355396896 388715355 401254560 414629712 444246120 460699680 518287140 592328160 621944568 691049520 777430710 829259424 888492240 1036574280 1243889136 1382099040 1554861420 1776984480 2073148560 2487778272 3109722840 4146297120 6219445680 12438891360
• Sum of all divisors σ(n): 51800297472
• Sum of proper divisors (its aliquot sum) s(n): 39361406112
• 12438891360 is an abundant number, because the sum of its proper divisors (39361406112) is greater than itself. Its abundance is 26922514752

Bases of 12438891360

• Binary: 1011100101011010100110101101100000₂
• Hexadecimal: 0x2E56A6B60
• Base-36: 5PPSM00

Squares and roots of 12438891360

• 12438891360 squared (12438891360²) is 154726018265882649600
• 12438891360 cubed (12438891360³) is 1924620131774689872883347456000
• The square root of 12438891360 is 111529.7779070683
• The cube root of 12438891360 is 2317.0063547811

Scales and comparisons

• 12,438,891,360 seconds is equal to 395 years, 26 weeks, 6 days, 15 hours, 36 minutes.
• To count from 1 to 12,438,891,360 would take you about seven hundred ninety-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 12438891360 cubic inches would be around 193.1 feet tall.

Recreational maths with 12438891360

• 12438891360 backwards is 06319883421
• 12438891360 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12438891360's digits is 45
• More coming soon!