18164385800

Names of 18164385800

• Cardinal: 18164385800 can be written as Eighteen billion, one hundred sixty-four million, three hundred eighty-five thousand, eight hundred.

Scientific notation

• Scientific notation: 1.81643858 × 10¹⁰

Factors of 18164385800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1063

Divisors of 18164385800

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 25 40 41 44 50 55 82 88 100 110 164 200 205 220 275 277 328 410 440 451 550 554 727 820 902 1025 1100 1108 1385 1454 1640 1804 2050 2200 2216 2255 2770 2908 3047 3608 3635 4100 4510 5540 5816 6094 6925 7270 7997 8200 9020 11080 11275 11357 12188 13850 14540 15235 15994 18040 18175 22550 22714 24376 27700 29080 29807 30470 31988 36350 39985 45100 45428 55400 56785 59614 60940 63976 72700 76175 79970 90200 90856 113570 119228 121880 124927 145400 149035 152350 159940 199925 201379 227140 238456 249854 283925 298070 304700 319880 327877 399850 402758 454280 499708 567850 596140 609400 624635 655754 745175 799700 805516 999416 1006895 1135700 1192280 1249270 1311508 1490350 1599400 1611032 1639385 2013790 2215169 2271400 2498540 2623016 2980700 3123175 3278770 4027580 4430338 4997080 5034475 5961400 6246350 6557540 8055160 8196925 8256539 8860676 10068950 11075845 12492700 13115080 16393850 16513078 17721352 20137900 22151690 24985400 32787700 33026156 40275800 41282695 44303380 55379225 65575400 66052312 82565390 88606760 90821929 110758450 165130780 181643858 206413475 221516900 330261560 363287716 412826950 443033800 454109645 726575432 825653900 908219290 1651307800 1816438580 2270548225 3632877160 4541096450 9082192900 18164385800
• Sum of all divisors σ(n): 47430714240
• Sum of proper divisors (its aliquot sum) s(n): 29266328440
• 18164385800 is an abundant number, because the sum of its proper divisors (29266328440) is greater than itself. Its abundance is 11101942640

Bases of 18164385800

• Binary: 10000111010101011101000100000001000₂
• Hexadecimal: 0x43AAE8808
• Base-36: 8CELTS8

Squares and roots of 18164385800

• 18164385800 squared (18164385800²) is 329944911491241640000
• 18164385800 cubed (18164385800³) is 5993246665073766469984712000000
• The square root of 18164385800 is 134775.3159892419
• The cube root of 18164385800 is 2628.6952425869

Scales and comparisons

• 18,164,385,800 seconds is equal to 577 years, 29 weeks, 4 days, 22 hours, 43 minutes, 20 seconds.
• To count from 1 to 18,164,385,800 would take you about one thousand, one hundred fifty-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 18164385800 cubic inches would be around 219.1 feet tall.

Recreational maths with 18164385800

• 18164385800 backwards is 00858346181
• 18164385800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18164385800's digits is 44
• More coming soon!