18898740611730

Names of 18898740611730

• Cardinal: 18898740611730 can be written as Eighteen trillion, eight hundred ninety-eight billion, seven hundred forty million, six hundred eleven thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.889874061173 × 10¹³

Factors of 18898740611730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10009397

Divisors of 18898740611730

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 37 42 45 54 63 70 74 81 90 105 111 126 135 162 185 189 210 222 243 259 270 315 333 370 378 405 486 518 555 567 630 666 729 777 810 945 999 1110 1134 1215 1295 1458 1554 1665 1701 1890 1998 2331 2430 2590 2835 2997 3330 3402 3645 3885 4662 4995 5103 5670 5994 6993 7290 7770 8505 8991 9990 10206 11655 13986 14985 17010 17982 20979 23310 25515 26973 29970 34965 41958 44955 51030 53946 62937 69930 89910 104895 125874 134865 188811 209790 269730 314685 377622 629370 944055 1888110 10009343 20018686 30028029 50046715 60056058 70065401 90084087 100093430 140130802 150140145 180168174 210196203 270252261 300280290 350327005 370345691 420392406 450420435 540504522 630588609 700654010 740691382 810756783 900840870 1050981015 1111037073 1261177218 1351261305 1621513566 1851728455 1891765827 2101962030 2222074146 2432270349 2592419837 2702522610 3152943045 3333111219 3703456910 3783531654 4053783915 4864540698 5184839674 5555185365 5675297481 6305886090 6666222438 7296811047 7777259511 8107567830 9458829135 9999333657 11110370730 11350594962 12161351745 12962099185 14593622094 15554519022 16665556095 17025892443 18917658270 19998667314 23331778533 24322703490 25924198370 28376487405 29998000971 33331112190 34051784886 36484055235 38886297555 46663557066 49996668285 51077677329 56752974810 59996001942 69995335599 72968110470 77772595110 85129462215 89994002913 99993336570 102155354658 116658892665 139990671198 149990004855 170258924430 179988005826 209986006797 233317785330 255388386645 269982008739 299980009710 349976677995 419972013594 449970014565 510776773290 539964017478 629958020391 699953355990 899940029130 1049930033985 1259916040782 1349910043695 1889874061173 2099860067970 2699820087390 3149790101955 3779748122346 6299580203910 9449370305865 18898740611730
• Sum of all divisors σ(n): 59864845492224
• Sum of proper divisors (its aliquot sum) s(n): 40966104880494
• 18898740611730 is an abundant number, because the sum of its proper divisors (40966104880494) is greater than itself. Its abundance is 22067364268764

Bases of 18898740611730

• Binary: 100010011000000110100101110001000101010010010₂
• Hexadecimal: 0x113034B88A92
• Base-36: 6P5YM7J4I

Squares and roots of 18898740611730

• 18898740611730 squared (18898740611730²) is 357162396709452814613592900
• 18898740611730 cubed (18898740611730³) is 6749919491675757224724062966519184717000
• The square root of 18898740611730 is 4347268.1780320385
• The cube root of 18898740611730 is 26636.5283905199

Scales and comparisons

• 18,898,740,611,730 seconds is equal to 600,921 years, 25 weeks, 4 days, 17 hours, 55 minutes, 30 seconds.
• To count from 1 to 18,898,740,611,730 would take you about one million, five hundred two thousand, three hundred 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 18898740611730 cubic inches would be around 2219.7 feet tall.

Recreational maths with 18898740611730

• 18898740611730 backwards is 03711604789881
• 18898740611730 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18898740611730's digits is 63
• More coming soon!