18420836687712

Names of 18420836687712

• Cardinal: 18420836687712 can be written as Eighteen trillion, four hundred twenty billion, eight hundred thirty-six million, six hundred eighty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8420836687712 × 10¹³

Factors of 18420836687712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7076300

Divisors of 18420836687712

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 69 72 92 96 108 131 138 144 184 207 216 262 276 288 368 393 414 432 524 552 621 736 786 828 864 1048 1104 1179 1242 1572 1656 2096 2208 2358 2484 3013 3144 3312 3537 4192 4716 4968 6026 6288 6624 7074 9039 9432 9936 12052 12576 14148 18078 18864 19872 24104 27117 28296 36156 37728 48208 54234 56592 72312 81351 96416 108468 113184 144624 162702 216936 289248 325404 433872 650808 867744 1301616 2603232 7076141 14152282 21228423 28304564 42456846 56609128 63685269 84913692 113218256 127370538 162751243 169827384 191055807 226436512 254741076 325502486 339654768 382111614 488253729 509482152 651004972 679309536 764223228 926974471 976507458 1018964304 1302009944 1464761187 1528446456 1853948942 1953014916 2037928608 2604019888 2780923413 2929522374 3056892912 3707897884 3906029832 4394283561 5208039776 5561846826 5859044748 6113785824 7415795768 7812059664 8342770239 8788567122 11123693652 11718089496 14831591536 15624119328 16685540478 17577134244 21320412833 22247387304 23436178992 25028310717 29663183072 33371080956 35154268488 42640825666 44494774608 46872357984 50056621434 63961238499 66742161912 70308536976 85281651332 88989549216 100113242868 127922476998 133484323824 140617073952 170563302664 191883715497 200226485736 255844953996 266968647648 341126605328 383767430994 400452971472 511689907992 575651146491 682253210656 767534861988 800905942944 1023379815984 1151302292982 1535069723976 2046759631968 2302604585964 3070139447952 4605209171928 6140278895904 9210418343856 18420836687712
• Sum of all divisors σ(n): 56491388997120
• Sum of proper divisors (its aliquot sum) s(n): 38070552309408
• 18420836687712 is an abundant number, because the sum of its proper divisors (38070552309408) is greater than itself. Its abundance is 19649715621696

Bases of 18420836687712

• Binary: 100001100000011101111011011010101111101100000₂
• Hexadecimal: 0x10C0EF6D5F60
• Base-36: 6J2EYJVC0

Squares and roots of 18420836687712

• 18420836687712 squared (18420836687712²) is 339327224275356407411794944
• 18420836687712 cubed (18420836687712³) is 6250691382070963283335764783033508528128
• The square root of 18420836687712 is 4291950.2196218445
• The cube root of 18420836687712 is 26410.0840951751

Scales and comparisons

• 18,420,836,687,712 seconds is equal to 585,725 years, 32 weeks, 4 days, 7 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,420,836,687,712 would take you about one million, four hundred sixty-four thousand, three hundred fourteen 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 18420836687712 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18420836687712

• 18420836687712 backwards is 21778663802481
• The number of decimal digits it has is: 14
• The sum of 18420836687712's digits is 63
• More coming soon!