18984039893

Names of 18984039893

• Cardinal: 18984039893 can be written as Eighteen billion, nine hundred eighty-four million, thirty-nine thousand, eight hundred ninety-three.

Scientific notation

• Scientific notation: 1.8984039893 × 10¹⁰

Factors of 18984039893

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 370

Divisors of 18984039893

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 17 67 73 91 119 169 193 221 469 511 871 949 1139 1183 1241 1351 1547 2509 2873 3281 4891 6097 6643 7973 8687 11323 12337 12931 14089 14807 16133 17563 20111 22967 32617 34237 42653 63583 79261 83147 86359 90517 98623 103649 112931 168103 183157 192491 209729 219827 228319 239513 298571 445081 554489 582029 826579 943963 1080911 1176721 1282099 1347437 1468103 1538789 1676591 2185339 2381041 2857751 3113669 3881423 5786053 6607741 7566377 12271519 14051843 15297373 16047371 16667287 20004257 21795683 37150763 40477697 85900633 98362901 112331597 159529747 208615823 260055341 283343879 1116708229 1460310761 2712005699 18984039893
• Sum of all divisors σ(n): 25725033216
• Sum of proper divisors (its aliquot sum) s(n): 6740993323
• 18984039893 is a deficient number, because the sum of its proper divisors (6740993323) is less than itself. Its deficiency is 12243046570

Bases of 18984039893

• Binary: 10001101011100010010111010111010101₂
• Hexadecimal: 0x46B8975D5
• Base-36: 8PYLUXH

Squares and roots of 18984039893

• 18984039893 squared (18984039893²) is 360393770659015451449
• 18984039893 cubed (18984039893³) is 6841729719379442230411220654957
• The square root of 18984039893 is 137782.5819652107
• The cube root of 18984039893 is 2667.6542819481

Scales and comparisons

• 18,984,039,893 seconds is equal to 603 years, 32 weeks, 6 days, 16 hours, 24 minutes, 53 seconds.
• To count from 1 to 18,984,039,893 would take you about one thousand, two hundred seven 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 18984039893 cubic inches would be around 222.3 feet tall.

Recreational maths with 18984039893

• 18984039893 backwards is 39893048981
• The number of decimal digits it has is: 11
• The sum of 18984039893's digits is 62
• More coming soon!