12644190720

Names of 12644190720

• Cardinal: 12644190720 can be written as Twelve billion, six hundred forty-four million, one hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.264419072 × 10¹⁰

Factors of 12644190720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 329

Divisors of 12644190720

• Number of divisors d(n): 800
• 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 64 70 72 80 81 84 90 93 96 105 108 112 120 124 126 128 135 140 144 155 160 162 168 180 186 189 192 210 216 217 224 240 248 252 256 270 279 280 281 288 310 315 320 324 336 360 372 378 384 405 420 432 434 448 465 480 496 504 512 540 558 560 562 567 576 620 630 640 648 651 672 720 744 756 768 810 837 840 843 864 868 896 930 945 960 992 1008 1080 1085 1116 1120 1124 1134 1152 1240 1260 1280 1296 1302 1344 1395 1405 1440 1488 1512 1536 1620 1674 1680 1686 1728 1736 1792 1860 1890 1920 1953 1967 1984 2016 2160 2170 2232 2240 2248 2268 2304 2480 2511 2520 2529 2560 2592 2604 2688 2790 2810 2835 2880 2976 3024 3240 3255 3348 3360 3372 3456 3472 3584 3720 3780 3840 3906 3934 3968 4032 4185 4215 4320 4340 4464 4480 4496 4536 4608 4960 5022 5040 5058 5184 5208 5376 5580 5620 5670 5760 5859 5901 5952 6048 6480 6510 6696 6720 6744 6912 6944 7440 7560 7587 7680 7812 7868 7936 8064 8370 8430 8640 8680 8711 8928 8960 8992 9072 9765 9835 9920 10044 10080 10116 10368 10416 10752 11160 11240 11340 11520 11718 11802 11904 12096 12555 12645 12960 13020 13392 13440 13488 13824 13888 14880 15120 15174 15624 15736 15872 16128 16740 16860 17280 17360 17422 17577 17703 17856 17920 17984 18144 19530 19670 19840 20088 20160 20232 20736 20832 22320 22480 22680 22761 23040 23436 23604 23808 24192 25110 25290 25920 26040 26133 26784 26880 26976 27776 29295 29505 29760 30240 30348 31248 31472 32256 33480 33720 34560 34720 34844 35154 35406 35712 35968 36288 37935 39060 39340 39680 40176 40320 40464 41472 41664 43555 44640 44960 45360 45522 46872 47208 47616 48384 50220 50580 51840 52080 52266 53109 53568 53760 53952 55552 58590 59010 59520 60480 60696 60977 62496 62944 66960 67440 69120 69440 69688 70308 70812 71424 71936 72576 75870 78120 78399 78680 79360 80352 80640 80928 83328 87110 87885 88515 89280 89920 90720 91044 93744 94416 96768 100440 101160 103680 104160 104532 106218 107136 107904 111104 113805 117180 118020 119040 120960 121392 121954 124992 125888 130665 133920 134880 138880 139376 140616 141624 142848 143872 145152 151740 156240 156798 157360 159327 160704 161280 161856 166656 174220 175770 177030 178560 179840 181440 182088 182931 187488 188832 200880 202320 207360 208320 209064 212436 214272 215808 227610 234360 235197 236040 238080 241920 242784 243908 249984 251776 261330 265545 267840 269760 277760 278752 281232 283248 290304 303480 304885 312480 313596 314720 318654 321408 323712 333312 348440 351540 354060 357120 359680 362880 364176 365862 374976 377664 391995 401760 404640 416640 418128 424872 428544 431616 455220 468720 470394 472080 483840 485568 487816 499968 503552 522660 531090 535680 539520 548793 555520 557504 562464 566496 606960 609770 624960 627192 629440 637308 642816 647424 696880 703080 705591 708120 714240 719360 725760 728352 731724 749952 755328 783990 796635 803520 809280 833280 836256 849744 910440 914655 937440 940788 944160 971136 975632 999936 1007104 1045320 1062180 1071360 1079040 1097586 1115008 1124928 1132992 1175985 1213920 1219540 1249920 1254384 1258880 1274616 1285632 1294848 1393760 1406160 1411182 1416240 1451520 1456704 1463448 1499904 1510656 1567980 1593270 1607040 1618560 1646379 1666560 1672512 1699488 1820880 1829310 1874880 1881576 1888320 1942272 1951264 2090640 2124360 2142720 2158080 2195172 2230016 2249856 2265984 2351970 2427840 2439080 2499840 2508768 2517760 2549232 2743965 2787520 2812320 2822364 2832480 2913408 2926896 2999808 3021312 3135960 3186540 3214080 3237120 3292758 3345024 3398976 3527955 3641760 3658620 3749760 3763152 3776640 3884544 3902528 4181280 4248720 4390344 4460032 4499712 4531968 4703940 4855680 4878160 4939137 4999680 5017536 5035520 5098464 5487930 5575040 5624640 5644728 5664960 5826816 5853792 6271920 6373080 6428160 6474240 6585516 6690048 6797952 7055910 7283520 7317240 7499520 7526304 7553280 7805056 8231895 8362560 8497440 8780688 8999424 9063936 9407880 9711360 9756320 9878274 10035072 10196928 10975860 11150080 11249280 11289456 11329920 11653632 11707584 12543840 12746160 13171032 13380096 13595904 14111820 14567040 14634480 14999040 15052608 15106560 15610112 16463790 16725120 16994880 17561376 18815760 19422720 19512640 19756548 20070144 20393856 21951720 22300160 22498560 22578912 22659840 23415168 24695685 25087680 25492320 26342064 27191808 28223640 29134080 29268960 30105216 31220224 32927580 33450240 33989760 35122752 37631520 39025280 39513096 40140288 40787712 43903440 44997120 45157824 45319680 46830336 49391370 50175360 50984640 52684128 56447280 58268160 58537920 60210432 65855160 66900480 67979520 70245504 75263040 78050560 79026192 81575424 87806880 90315648 93660672 98782740 100350720 101969280 105368256 112894560 117075840 120420864 131710320 135959040 140491008 150526080 156101120 158052384 175613760 180631296 197565480 200701440 203938560 210736512 225789120 234151680 263420640 280982016 301052160 316104768 351227520 361262592 395130960 407877120 421473024 451578240 468303360 526841280 602104320 632209536 702455040 790261920 842946048 903156480 1053682560 1264419072 1404910080 1580523840 1806312960 2107365120 2528838144 3161047680 4214730240 6322095360 12644190720
• Sum of all divisors σ(n): 53616854016
• Sum of proper divisors (its aliquot sum) s(n): 40972663296
• 12644190720 is an abundant number, because the sum of its proper divisors (40972663296) is greater than itself. Its abundance is 28328472576

Bases of 12644190720

• Binary: 1011110001101001110000101000000000₂
• Hexadecimal: 0x2F1A70A00
• Base-36: 5T40W00

Squares and roots of 12644190720

• 12644190720 squared (12644190720²) is 159875558963734118400
• 12644190720 cubed (12644190720³) is 2021497059004059756420661248000
• The square root of 12644190720 is 112446.3904267275
• The cube root of 12644190720 is 2329.6839766149

Scales and comparisons

• 12,644,190,720 seconds is equal to 402 years, 2 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 12,644,190,720 would take you about eight hundred four 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 12644190720 cubic inches would be around 194.1 feet tall.

Recreational maths with 12644190720

• 12644190720 backwards is 02709144621
• 12644190720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12644190720's digits is 36
• More coming soon!