18438211116

Names of 18438211116

• Cardinal: 18438211116 can be written as Eighteen billion, four hundred thirty-eight million, two hundred eleven thousand, one hundred sixteen.

Scientific notation

• Scientific notation: 1.8438211116 × 10¹⁰

Factors of 18438211116

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1357

Divisors of 18438211116

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 19 26 27 36 38 39 52 54 57 61 76 78 81 108 114 117 122 156 162 171 183 228 234 243 244 247 324 342 351 366 468 486 494 513 549 684 702 732 741 793 972 988 1026 1053 1098 1159 1259 1404 1482 1539 1586 1647 2052 2106 2196 2223 2318 2379 2518 2964 3078 3159 3172 3294 3477 3777 4212 4446 4617 4636 4758 4941 5036 6156 6318 6588 6669 6954 7137 7554 8892 9234 9516 9882 10431 11331 12636 13338 13908 14274 14823 15067 15108 16367 18468 19764 20007 20862 21411 22662 23921 26676 28548 29646 30134 31293 32734 33993 40014 41724 42822 45201 45324 47842 49101 59292 60021 60268 62586 64233 65468 67986 71763 76799 80028 85644 90402 93879 95684 98202 101979 120042 125172 128466 135603 135972 143526 147303 153598 180804 187758 192699 196404 203958 215289 230397 240084 256932 271206 281637 287052 294606 305937 307196 310973 375516 385398 406809 407916 430578 441909 460794 542412 563274 589212 611874 621946 645867 691191 770796 813618 861156 883818 921588 932919 998387 1126548 1220427 1223748 1243892 1291734 1325727 1382382 1459181 1627236 1767636 1865838 1937601 1996774 2073573 2440854 2583468 2651454 2764764 2798757 2918362 2995161 3661281 3731676 3875202 3977181 3993548 4147146 4377543 4881708 5302908 5597514 5812803 5836724 5990322 6220719 7322562 7750404 7954362 8294292 8396271 8755086 8985483 11195028 11625606 11980644 12441438 13132629 14645124 15908724 16792542 17510172 17970966 18662157 18969353 23251212 24882876 25188813 26265258 26956449 33585084 35941932 37324314 37938706 39397887 50377626 52530516 53912898 56908059 74648628 75566439 75877412 78795774 80869347 100755252 107825796 113816118 118193661 151132878 157591548 161738694 170724177 227632236 236387322 242608041 302265756 323477388 341448354 354580983 472774644 485216082 512172531 682896708 709161966 970432164 1024345062 1418323932 1536517593 2048690124 3073035186 4609552779 6146070372 9219105558 18438211116
• Sum of all divisors σ(n): 55733932800
• Sum of proper divisors (its aliquot sum) s(n): 37295721684
• 18438211116 is an abundant number, because the sum of its proper divisors (37295721684) is greater than itself. Its abundance is 18857510568

Bases of 18438211116

• Binary: 10001001011000000001100011000101100₂
• Hexadecimal: 0x44B00C62C
• Base-36: 8GXMUR0

Squares and roots of 18438211116

• 18438211116 squared (18438211116²) is 339967629158185965456
• 18438211116 cubed (18438211116³) is 6268394919024630190666011208896
• The square root of 18438211116 is 135787.3746561145
• The cube root of 18438211116 is 2641.8384766325

Scales and comparisons

• 18,438,211,116 seconds is equal to 586 years, 14 weeks, 3 days, 5 hours, 18 minutes, 36 seconds.
• To count from 1 to 18,438,211,116 would take you about one thousand, one hundred seventy-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 18438211116 cubic inches would be around 220.2 feet tall.

Recreational maths with 18438211116

• 18438211116 backwards is 61111283481
• 18438211116 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18438211116's digits is 36
• More coming soon!