18643170140

Names of 18643170140

• Cardinal: 18643170140 can be written as Eighteen billion, six hundred forty-three million, one hundred seventy thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.864317014 × 10¹⁰

Factors of 18643170140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1979

Divisors of 18643170140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 61 70 98 122 140 181 196 244 245 305 362 427 490 610 724 854 905 980 1220 1267 1708 1723 1810 2135 2534 2989 3446 3620 4270 5068 5978 6335 6892 8540 8615 8869 11041 11956 12061 12670 14945 17230 17738 22082 24122 25340 29890 34460 35476 44164 44345 48244 55205 59780 60305 77287 84427 88690 105103 110410 120610 154574 168854 177380 210206 220820 241220 309148 311863 337708 386435 420412 422135 525515 541009 623726 735721 772870 844270 1051030 1082018 1247452 1471442 1545740 1559315 1688540 2102060 2164036 2183041 2705045 2942884 3118630 3678605 4366082 5150047 5410090 6237260 7357210 8732164 10300094 10820180 10915205 14714420 15281287 19023643 20600188 21830410 25750235 30562574 38047286 43660820 51500470 61125148 76094572 76406435 95118215 103000940 133165501 152812870 190236430 266331002 305625740 380472860 532662004 665827505 932158507 1331655010 1864317014 2663310020 3728634028 4660792535 9321585070 18643170140
• Sum of all divisors σ(n): 46571956704
• Sum of proper divisors (its aliquot sum) s(n): 27928786564
• 18643170140 is an abundant number, because the sum of its proper divisors (27928786564) is greater than itself. Its abundance is 9285616424

Bases of 18643170140

• Binary: 10001010111001110000011001101011100₂
• Hexadecimal: 0x45738335C
• Base-36: 8KBNU58

Squares and roots of 18643170140

• 18643170140 squared (18643170140²) is 347567792868987619600
• 18643170140 cubed (18643170140³) is 6479765497640814921756398744000
• The square root of 18643170140 is 136539.9946535813
• The cube root of 18643170140 is 2651.5913138411

Scales and comparisons

• 18,643,170,140 seconds is equal to 592 years, 41 weeks, 2 days, 10 hours, 22 minutes, 20 seconds.
• To count from 1 to 18,643,170,140 would take you about one thousand, one hundred eighty-five 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 18643170140 cubic inches would be around 221 feet tall.

Recreational maths with 18643170140

• 18643170140 backwards is 04107134681
• 18643170140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18643170140's digits is 35
• More coming soon!