18139168358400

Names of 18139168358400

• Cardinal: 18139168358400 can be written as Eighteen trillion, one hundred thirty-nine billion, one hundred sixty-eight million, three hundred fifty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.81391683584 × 10¹³

Factors of 18139168358400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 14984

Divisors of 18139168358400

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 512 600 640 768 800 960 1024 1061 1200 1280 1536 1600 1920 2048 2122 2400 2560 3072 3183 3200 3840 4096 4244 4800 5120 5305 6144 6366 6400 7680 8192 8488 9600 10240 10610 12288 12732 12800 13913 15360 15915 16384 16976 19200 20480 21220 24576 25464 25600 26525 27826 30720 31830 33952 38400 40960 41739 42440 49152 50928 51200 53050 55652 61440 63660 67904 69565 76800 79575 81920 83478 84880 101856 102400 106100 111304 122880 127320 135808 139130 153600 159150 166956 169760 203712 204800 208695 212200 222608 245760 254640 271616 278260 307200 318300 333912 339520 347825 407424 409600 417390 424400 445216 509280 543232 556520 614400 636600 667824 679040 695650 814848 834780 848800 890432 1018560 1043475 1086464 1113040 1228800 1273200 1335648 1358080 1391300 1629696 1669560 1697600 1780864 2037120 2086950 2172928 2226080 2546400 2671296 2716160 2782600 3259392 3339120 3395200 3561728 4074240 4173900 4345856 4452160 5092800 5342592 5432320 5565200 6518784 6678240 6790400 7123456 8148480 8347800 8691712 8904320 10185600 10685184 10864640 11130400 13037568 13356480 13580800 14246912 14761693 16296960 16695600 17383424 17808640 20371200 21370368 21729280 22260800 26075136 26712960 27161600 28493824 29523386 32593920 33391200 35617280 40742400 42740736 43458560 44285079 44521600 52150272 53425920 54323200 56987648 59046772 65187840 66782400 71234560 73808465 81484800 85481472 86917120 88570158 89043200 106851840 108646400 113975296 118093544 130375680 133564800 142469120 147616930 162969600 170962944 177140316 178086400 213703680 217292800 221425395 227950592 236187088 260751360 267129600 284938240 295233860 325939200 341925888 354280632 356172800 369042325 427407360 434585600 442850790 472374176 534259200 569876480 590467720 651878400 683851776 708561264 712345600 738084650 854814720 885701580 944748352 1068518400 1107126975 1139752960 1180935440 1303756800 1417122528 1424691200 1476169300 1709629440 1771403160 1889496704 2137036800 2214253950 2361870880 2834245056 2849382400 2952338600 3419258880 3542806320 3778993408 4274073600 4428507900 4723741760 5668490112 5698764800 5904677200 7085612640 7557986816 8548147200 8857015800 9447483520 11336980224 11809354400 14171225280 15115973632 17096294400 17714031600 18894967040 22673960448 23618708800 28342450560 30231947264 35428063200 37789934080 45347920896 47237417600 56684901120 60463894528 70856126400 75579868160 90695841792 94474835200 113369802240 120927789056 141712252800 151159736320 181391683584 188949670400 226739604480 241855578112 283424505600 302319472640 362783367168 377899340800 453479208960 566849011200 604638945280 725566734336 755798681600 906958417920 1133698022400 1209277890560 1511597363200 1813916835840 2267396044800 3023194726400 3627833671680 4534792089600 6046389452800 9069584179200 18139168358400
• Sum of all divisors σ(n): 60039197964144
• Sum of proper divisors (its aliquot sum) s(n): 41900029605744
• 18139168358400 is an abundant number, because the sum of its proper divisors (41900029605744) is greater than itself. Its abundance is 23760861247344

Bases of 18139168358400

• Binary: 100000111111101011010101011111100000000000000₂
• Hexadecimal: 0x107F5AAFC000
• Base-36: 6FH0OI1HC

Squares and roots of 18139168358400

• 18139168358400 squared (18139168358400²) is 329029428734379750850560000
• 18139168358400 cubed (18139168358400³) is 5968320202681088934878153438920704000000
• The square root of 18139168358400 is 4259010.2557284361
• The cube root of 18139168358400 is 26274.7821513393

Scales and comparisons

• 18,139,168,358,400 seconds is equal to 576,769 years, 23 weeks, 1 day, 5 hours, 20 minutes.
• To count from 1 to 18,139,168,358,400 would take you about one million, four hundred forty-one thousand, nine hundred twenty-three 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 18139168358400 cubic inches would be around 2189.6 feet tall.

Recreational maths with 18139168358400

• 18139168358400 backwards is 00485386193181
• The number of decimal digits it has is: 14
• The sum of 18139168358400's digits is 57
• More coming soon!