18119609640

Names of 18119609640

• Cardinal: 18119609640 can be written as Eighteen billion, one hundred nineteen million, six hundred nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.811960964 × 10¹⁰

Factors of 18119609640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 415990

Divisors of 18119609640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 121 132 165 180 198 220 242 264 330 360 363 396 440 484 495 605 660 726 792 968 990 1089 1210 1320 1452 1815 1980 2178 2420 2904 3630 3960 4356 4840 5445 7260 8712 10890 14520 21780 43560 415969 831938 1247907 1663876 2079845 2495814 3327752 3743721 4159690 4575659 4991628 6239535 7487442 8319380 9151318 9983256 12479070 13726977 14974884 16638760 18302636 18718605 22878295 24958140 27453954 29949768 36605272 37437210 41180931 45756590 49916280 50332249 54907908 68634885 74874420 82361862 91513180 100664498 109815816 137269770 149748840 150996747 164723724 183026360 201328996 205904655 251661245 274539540 301993494 329447448 402657992 411809310 452990241 503322490 549079080 603986988 754983735 823618620 905980482 1006644980 1207973976 1509967470 1647237240 1811960964 2013289960 2264951205 3019934940 3623921928 4529902410 6039869880 9059804820 18119609640
• Sum of all divisors σ(n): 64729091700
• Sum of proper divisors (its aliquot sum) s(n): 46609482060
• 18119609640 is an abundant number, because the sum of its proper divisors (46609482060) is greater than itself. Its abundance is 28489872420

Bases of 18119609640

• Binary: 10000111000000000110100110100101000₂
• Hexadecimal: 0x438034D28
• Base-36: 8BNY4A0

Squares and roots of 18119609640

• 18119609640 squared (18119609640²) is 328320253505980929600
• 18119609640 cubed (18119609640³) is 5949034830434215849636321344000
• The square root of 18119609640 is 134609.0993952491
• The cube root of 18119609640 is 2626.5335083135

Scales and comparisons

• 18,119,609,640 seconds is equal to 576 years, 7 weeks, 4 days, 16 hours, 54 minutes.
• To count from 1 to 18,119,609,640 would take you about one thousand, one hundred fifty-two 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 18119609640 cubic inches would be around 218.9 feet tall.

Recreational maths with 18119609640

• 18119609640 backwards is 04690691181
• 18119609640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18119609640's digits is 45
• More coming soon!