12188348640

Names of 12188348640

• Cardinal: 12188348640 can be written as Twelve billion, one hundred eighty-eight million, three hundred forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.218834864 × 10¹⁰

Factors of 12188348640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1087

Divisors of 12188348640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 73 78 80 81 90 96 104 108 117 120 130 135 144 146 156 160 162 180 195 208 216 219 234 240 260 270 288 292 312 324 351 360 365 390 405 416 432 438 468 480 520 540 584 585 624 648 657 702 720 730 780 810 864 876 936 949 991 1040 1053 1080 1095 1168 1170 1248 1296 1314 1404 1440 1460 1560 1620 1752 1755 1872 1898 1971 1982 2080 2106 2160 2190 2336 2340 2592 2628 2808 2847 2920 2973 3120 3240 3285 3504 3510 3744 3796 3942 3964 4212 4320 4380 4680 4745 4955 5256 5265 5616 5694 5840 5913 5946 6240 6480 6570 7008 7020 7592 7884 7928 8424 8541 8760 8919 9360 9490 9855 9910 10512 10530 11232 11388 11680 11826 11892 12883 12960 13140 14040 14235 14865 15184 15768 15856 16848 17082 17520 17838 18720 18980 19710 19820 21024 21060 22776 23652 23784 25623 25766 26280 26757 28080 28470 29565 29730 30368 31536 31712 33696 34164 35040 35676 37960 38649 39420 39640 42120 42705 44595 45552 47304 47568 51246 51532 52560 53514 56160 56940 59130 59460 63072 64415 68328 71352 72343 75920 76869 77298 78840 79280 80271 84240 85410 89190 91104 94608 95136 102492 103064 105120 107028 113880 115947 118260 118920 128115 128830 133785 136656 142704 144686 151840 153738 154596 157680 158560 160542 168480 170820 178380 189216 193245 204984 206128 214056 217029 227760 231894 236520 237840 256230 257660 267570 273312 285408 289372 307476 309192 315360 321084 341640 347841 356760 361715 384345 386490 401355 409968 412256 428112 434058 455520 463788 473040 475680 512460 515320 535140 578744 579735 614952 618384 642168 651087 683280 695682 713520 723430 768690 772980 802710 819936 856224 868116 927576 940459 946080 1024920 1030640 1043523 1070280 1085145 1157488 1159470 1229904 1236768 1284336 1302174 1366560 1391364 1427040 1446860 1537380 1545960 1605420 1736232 1739205 1855152 1880918 1953261 2049840 2061280 2087046 2140560 2170290 2314976 2318940 2459808 2568672 2604348 2782728 2821377 2893720 3074760 3091920 3210840 3255435 3472464 3478410 3710304 3761836 3906522 4099680 4174092 4281120 4340580 4637880 4702295 5208696 5217615 5565456 5642754 5787440 5859783 6149520 6183840 6421680 6510870 6944928 6956820 7523672 7813044 8348184 8464131 8681160 9275760 9404590 9766305 10417392 10435230 11130912 11285508 11574880 11719566 12299040 12843360 13021740 13913640 14106885 15047344 15626088 16696368 16928262 17362320 18551520 18809180 19532610 20834784 20870460 22571016 23439132 25392393 26043480 27827280 28213770 29298915 30094688 31252176 33392736 33856524 34724640 37618360 39065220 41740920 42320655 45142032 46878264 50784786 52086960 55654560 56427540 58597830 62504352 67713048 75236720 76177179 78130440 83481840 84641310 90284064 93756528 101569572 104173920 112855080 117195660 126961965 135426096 150473440 152354358 156260880 166963680 169282620 187513056 203139144 225710160 234391320 253923930 270852192 304708716 312521760 338565240 380885895 406278288 451420320 468782640 507847860 609417432 677130480 761771790 812556576 937565280 1015695720 1218834864 1354260960 1523543580 2031391440 2437669728 3047087160 4062782880 6094174320 12188348640
• Sum of all divisors σ(n): 47005491456
• Sum of proper divisors (its aliquot sum) s(n): 34817142816
• 12188348640 is an abundant number, because the sum of its proper divisors (34817142816) is greater than itself. Its abundance is 22628794176

Bases of 12188348640

• Binary: 1011010110011110110111000011100000₂
• Hexadecimal: 0x2D67B70E0
• Base-36: 5LKMM00

Squares and roots of 12188348640

• 12188348640 squared (12188348640²) is 148555842570189849600
• 12188348640 cubed (12188348640³) is 1810650401754427557913964544000
• The square root of 12188348640 is 110400.8543445203
• The cube root of 12188348640 is 2301.3444338881

Scales and comparisons

• 12,188,348,640 seconds is equal to 387 years, 28 weeks, 4 days, 20 hours, 24 minutes.
• To count from 1 to 12,188,348,640 would take you about seven hundred seventy-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 12188348640 cubic inches would be around 191.8 feet tall.

Recreational maths with 12188348640

• 12188348640 backwards is 04684388121
• 12188348640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12188348640's digits is 45
• More coming soon!