18128605824

Names of 18128605824

• Cardinal: 18128605824 can be written as Eighteen billion, one hundred twenty-eight million, six hundred five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8128605824 × 10¹⁰

Factors of 18128605824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 143

Divisors of 18128605824

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 131 144 168 192 224 252 262 288 336 384 393 448 504 524 576 672 786 896 917 1008 1048 1152 1179 1344 1572 1834 2016 2096 2358 2688 2751 3144 3668 4032 4192 4716 5502 6288 7336 8064 8253 8384 9432 11004 12576 14672 16506 16768 17161 18864 22008 25152 29344 33012 34322 37728 44016 50304 51483 58688 66024 68644 75456 88032 102966 117376 120127 132048 137288 150912 154449 176064 205932 240254 264096 274576 308898 352128 360381 411864 480508 528192 549152 617796 720762 823728 961016 1056384 1081143 1098304 1235592 1441524 1647456 1922032 2162286 2196608 2248091 2471184 2883048 3294912 3844064 4324572 4496182 4942368 5766096 6589824 6744273 7688128 8649144 8992364 9884736 11532192 13488546 15376256 15736637 17298288 17984728 19769472 20232819 23064384 26977092 31473274 34596576 35969456 40465638 46128768 47209911 53954184 62946548 69193152 71938912 80931276 94419822 107908368 125893096 138386304 141629733 143877824 161862552 188839644 215816736 251786192 283259466 287755648 323725104 377679288 431633472 503572384 566518932 647450208 755358576 863266944 1007144768 1133037864 1294900416 1510717152 2014289536 2266075728 2589800832 3021434304 4532151456 6042868608 9064302912 18128605824
• Sum of all divisors σ(n): 60077983680
• Sum of proper divisors (its aliquot sum) s(n): 41949377856
• 18128605824 is an abundant number, because the sum of its proper divisors (41949377856) is greater than itself. Its abundance is 23820772032

Bases of 18128605824

• Binary: 10000111000100011001001001010000000₂
• Hexadecimal: 0x4388C9280
• Base-36: 8BTAXS0

Squares and roots of 18128605824

• 18128605824 squared (18128605824²) is 328646349121966718976
• 18128605824 cubed (18128605824³) is 5957900118728823147962484916224
• The square root of 18128605824 is 134642.5112065281
• The cube root of 18128605824 is 2626.9681179215

Scales and comparisons

• 18,128,605,824 seconds is equal to 576 years, 22 weeks, 3 days, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 18,128,605,824 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 18128605824 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128605824

• 18128605824 backwards is 42850682181
• The number of decimal digits it has is: 11
• The sum of 18128605824's digits is 45
• More coming soon!