18146395478400

Names of 18146395478400

• Cardinal: 18146395478400 can be written as Eighteen trillion, one hundred forty-six billion, three hundred ninety-five million, four hundred seventy-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.81463954784 × 10¹³

Factors of 18146395478400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6228

Divisors of 18146395478400

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 49 50 56 60 64 70 75 80 84 96 98 100 105 112 120 128 140 147 150 160 168 175 192 196 200 210 224 240 245 280 294 300 320 336 350 384 392 400 420 448 480 490 525 560 588 600 640 672 700 735 784 800 840 896 960 980 1050 1120 1176 1200 1225 1344 1400 1470 1568 1600 1680 1920 1960 2100 2240 2352 2400 2450 2688 2800 2940 3136 3200 3360 3675 3920 4200 4480 4704 4800 4900 5600 5880 6211 6272 6720 7350 7840 8400 9408 9600 9800 11200 11760 12422 13440 14700 15680 16800 18633 18816 19600 22400 23520 24844 29400 31055 31360 33600 37266 39200 43477 47040 49688 58800 62110 67200 74532 78400 86954 93165 94080 99376 117600 124220 130431 149064 155275 156800 173908 186330 198752 217385 235200 248440 260862 298128 304339 310550 347816 372660 397504 434770 465825 470400 496880 521724 596256 608678 621100 652155 695632 745320 795008 869540 913017 931650 993760 1043448 1086925 1192512 1217356 1242200 1304310 1391264 1490640 1521695 1739080 1826034 1863300 1987520 2086896 2173850 2385024 2434712 2484400 2608620 2782528 2981280 3043390 3260775 3478160 3652068 3726600 3975040 4173792 4347700 4565085 4869424 4968800 5217240 5565056 5962560 6086780 6521550 6956320 7304136 7453200 7608475 8347584 8695400 9130170 9738848 9937600 10434480 11925120 12173560 13043100 13912640 14608272 14906400 15216950 16695168 17390800 18260340 19477696 19875200 20868960 22825425 24347120 26086200 27825280 29216544 29812800 30433900 34781600 36520680 38576521 38955392 41737920 45650850 48694240 52172400 58433088 59625600 60867800 69563200 73041360 77153042 83475840 91301700 97388480 104344800 115729563 116866176 121735600 139126400 146082720 154306084 182603400 192882605 194776960 208689600 231459126 243471200 270035647 292165440 308612168 365206800 385765210 417379200 462918252 486942400 540071294 578647815 584330880 617224336 730413600 771530420 810106941 925836504 964413025 973884800 1080142588 1157295630 1234448672 1350178235 1460827200 1543060840 1620213882 1851673008 1890249529 1928826050 2160285176 2314591260 2468897344 2700356470 2893239075 2921654400 3086121680 3240427764 3703346016 3780499058 3857652100 4050534705 4320570352 4629182520 4937794688 5400712940 5670748587 5786478150 6172243360 6480855528 6750891175 7406692032 7560998116 7715304200 8101069410 8641140704 9258365040 9451247645 10801425880 11341497174 11572956300 12344486720 12961711056 13501782350 14813384064 15121996232 15430608400 16202138820 17282281408 18516730080 18902495290 20252673525 21602851760 22682994348 23145912600 24688973440 25923422112 27003564700 28353742935 30243992464 30861216800 32404277640 34564562816 37033460160 37804990580 40505347050 43205703520 45365988696 46291825200 47256238225 51846844224 54007129400 56707485870 60487984928 61722433600 64808555280 74066920320 75609981160 81010694100 86411407040 90731977392 92583650400 94512476450 103693688448 108014258800 113414971740 120975969856 123444867200 129617110560 141768714675 151219962320 162021388200 172822814080 181463954784 185167300800 189024952900 216028517600 226829943480 241951939712 259234221120 283537429350 302439924640 324042776400 362927909568 370334601600 378049905800 432057035200 453659886960 518468442240 567074858700 604879849280 648085552800 725855819136 756099811600 864114070400 907319773920 1134149717400 1209759698560 1296171105600 1512199623200 1814639547840 2268299434800 2592342211200 3024399246400 3629279095680 4536598869600 6048798492800 9073197739200 18146395478400
• Sum of all divisors σ(n): 69539202995220
• Sum of proper divisors (its aliquot sum) s(n): 51392807516820
• 18146395478400 is an abundant number, because the sum of its proper divisors (51392807516820) is greater than itself. Its abundance is 33246412038420

Bases of 18146395478400

• Binary: 100001000000100001001011101001101100110000000₂
• Hexadecimal: 0x10810974D980
• Base-36: 6FKC7CAYO

Squares and roots of 18146395478400

• 18146395478400 squared (18146395478400²) is 329291668858495964866560000
• 18146395478400 cubed (18146395478400³) is 5975456850848601266279189643362304000000
• The square root of 18146395478400 is 4259858.6218793693
• The cube root of 18146395478400 is 26278.2712085777

Scales and comparisons

• 18,146,395,478,400 seconds is equal to 576,999 years, 12 weeks, 5 days, 10 hours, 40 minutes.
• To count from 1 to 18,146,395,478,400 would take you about one million, four hundred forty-two thousand, four hundred ninety-eight 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 18146395478400 cubic inches would be around 2189.9 feet tall.

Recreational maths with 18146395478400

• 18146395478400 backwards is 00487459364181
• 18146395478400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18146395478400's digits is 60
• More coming soon!