18005522741640

Names of 18005522741640

• Cardinal: 18005522741640 can be written as Eighteen trillion, five billion, five hundred twenty-two million, seven hundred forty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.800552274164 × 10¹³

Factors of 18005522741640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9748429

Divisors of 18005522741640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 733 840 1260 1466 2199 2520 2932 3665 4398 5131 5864 6597 7330 8796 10262 10995 13194 14660 15393 17592 20524 21990 25655 26388 29320 30786 32985 41048 43980 46179 51310 52776 61572 65970 76965 87960 92358 102620 123144 131940 153930 184716 205240 230895 263880 307860 369432 461790 615720 923580 1847160 9747679 19495358 29243037 38990716 48738395 58486074 68233753 77981432 87729111 97476790 116972148 136467506 146215185 175458222 194953580 204701259 233944296 272935012 292430370 341168765 350916444 389907160 409402518 438645555 545870024 584860740 614103777 682337530 701832888 818805036 877291110 1023506295 1169721480 1228207554 1364675060 1637610072 1754582220 2047012590 2456415108 2729350120 3070518885 3509164440 4094025180 4912830216 6141037770 7145048707 8188050360 12282075540 14290097414 21435146121 24564151080 28580194828 35725243535 42870292242 50015340949 57160389656 64305438363 71450487070 85740584484 100030681898 107175730605 128610876726 142900974140 150046022847 171481168968 200061363796 214351461210 250076704745 257221753452 285801948280 300092045694 321527191815 400122727592 428702922420 450138068541 500153409490 514443506904 600184091388 643054383630 750230114235 857405844840 900276137082 1000306818980 1200368182776 1286108767260 1500460228470 1800552274164 2000613637960 2250690342705 2572217534520 3000920456940 3601104548328 4501380685410 6001840913880 9002761370820 18005522741640
• Sum of all divisors σ(n): 66968901043200
• Sum of proper divisors (its aliquot sum) s(n): 48963378301560
• 18005522741640 is an abundant number, because the sum of its proper divisors (48963378301560) is greater than itself. Its abundance is 30957855559920

Bases of 18005522741640

• Binary: 100000110000000111100110010010111100110001000₂
• Hexadecimal: 0x10603CC97988
• Base-36: 6DRMFCNM0

Squares and roots of 18005522741640

• 18005522741640 squared (18005522741640²) is 324198849199715222189889600
• 18005522741640 cubed (18005522741640³) is 5837369752078989347351742755280922944000
• The square root of 18005522741640 is 4243291.4985468533
• The cube root of 18005522741640 is 26210.0939786837

Scales and comparisons

• 18,005,522,741,640 seconds is equal to 572,519 years, 48 weeks, 1 day, 22 hours, 54 minutes.
• To count from 1 to 18,005,522,741,640 would take you about one million, four hundred thirty-one thousand, two hundred ninety-nine 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 18005522741640 cubic inches would be around 2184.2 feet tall.

Recreational maths with 18005522741640

• 18005522741640 backwards is 04614722550081
• 18005522741640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18005522741640's digits is 45
• More coming soon!