31388013474685

Names of 31388013474685

• Cardinal: 31388013474685 can be written as Thirty-one trillion, three hundred eighty-eight billion, thirteen million, four hundred seventy-four thousand, six hundred eighty-five.

Scientific notation

• Scientific notation: 3.1388013474685 × 10¹³

Factors of 31388013474685

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 290

Divisors of 31388013474685

• Number of divisors d(n): 288
• Complete list of divisors:
  1 5 7 17 35 37 49 67 85 119 157 185 245 259 289 335 469 595 629 785 833 1099 1139 1295 1445 1813 2023 2345 2479 2669 3145 3283 4165 4403 4489 4913 5495 5695 5809 7693 7973 9065 10115 10519 10693 12395 13345 14161 16415 17353 18683 19363 22015 22445 24565 29045 30821 31423 34391 38465 39865 40663 42143 45373 52595 53465 55811 70805 73633 74851 76313 86765 93415 96815 98753 121471 130781 135541 154105 157115 166093 171955 178823 181781 203315 210715 219961 226865 240737 279055 284641 295001 317611 329171 368165 374255 381565 389203 493765 515431 523957 534191 607355 653905 677705 691271 704773 716431 771341 830465 894115 908905 948787 1099805 1162651 1203685 1251761 1272467 1297321 1423205 1475005 1588055 1645855 1678801 1946015 2065007 2223277 2304197 2577155 2619785 2670955 2724421 2823581 3039991 3456355 3523865 3582155 3739337 3856705 4743935 4838897 4933411 5015017 5399387 5813255 6258805 6362335 6486605 6616451 8138557 8394005 8762327 8907269 9081247 10325035 11116385 11520985 11751607 11981141 12179327 13622105 14117905 15199955 16129379 18696685 19070947 19765067 21279937 22054457 24194485 24667055 25075085 26076601 26996935 28539617 33082255 34533877 35105119 37795709 40692785 43811635 44536345 45406235 46315157 48000877 51679847 58758035 59905705 60896635 63568729 80646895 82261249 83867987 85255289 95354735 98825335 106399685 110272285 112479667 130383005 138355469 142698085 148959559 154381199 172669385 175525595 182536207 188978545 199777319 203679397 231575785 240004385 258399235 317843645 324206099 336006139 361758929 411306245 419339935 426276445 443302217 562398335 587075909 596787023 691777345 744797795 771905995 787357669 816014909 912681035 998886595 1018396985 1080668393 1277753449 1398441233 1425755779 1621030495 1680030695 1808794645 1912154339 2216511085 2352042973 2532312503 2935379545 2983935115 3103115519 3462549749 3936788345 4080074545 5403341965 5511503683 5712104363 6388767245 6992206165 7128778895 7536137689 9560771695 9980290453 11760214865 12661562515 13385080373 15515577595 17312748745 21721808633 24237848243 27557518415 28560521815 37680688445 39984730541 49901452265 52752963823 66925401865 93695562611 108609043165 121189241215 128114340713 169664937701 199923652705 263764819115 369270746761 468477813055 640571703565 848324688505 896800384991 1846353733805 4484001924955 6277602694937 31388013474685
• Sum of all divisors σ(n): 48844573434720
• Sum of proper divisors (its aliquot sum) s(n): 17456559960035
• 31388013474685 is a deficient number, because the sum of its proper divisors (17456559960035) is less than itself. Its deficiency is 13931453514650

Bases of 31388013474685

• Binary: 111001000110000010111011001001011001101111101₂
• Hexadecimal: 0x1C8C1764B37D
• Base-36: B4JGCT3LP

Squares and roots of 31388013474685

• 31388013474685 squared (31388013474685²) is 985207389887007127135849225
• 31388013474685 cubed (31388013474685³) is 30923702829132618106146666384820514369125
• The square root of 31388013474685 is 5602500.6447732783
• The cube root of 31388013474685 is 31544.3277734663

Scales and comparisons

• 31,388,013,474,685 seconds is equal to 998,041 years, 38 weeks, 2 days, 23 hours, 51 minutes, 25 seconds.
• To count from 1 to 31,388,013,474,685 would take you about two million, four hundred ninety-five thousand, one 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 31388013474685 cubic inches would be around 2628.7 feet tall.

Recreational maths with 31388013474685

• 31388013474685 backwards is 58647431088313
• The number of decimal digits it has is: 14
• The sum of 31388013474685's digits is 61
• More coming soon!