18004394531250

Names of 18004394531250

• Cardinal: 18004394531250 can be written as Eighteen trillion, four billion, three hundred ninety-four million, five hundred thirty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.800439453125 × 10¹³

Factors of 18004394531250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 268

Divisors of 18004394531250

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 125 150 153 170 225 241 250 255 306 375 425 450 482 510 625 723 750 765 850 1125 1205 1250 1275 1446 1530 1875 2125 2169 2250 2410 2550 3125 3615 3750 3825 4097 4250 4338 5625 6025 6250 6375 7230 7650 8194 9375 10625 10845 11250 12050 12291 12750 15625 18075 18750 19125 20485 21250 21690 24582 28125 30125 31250 31875 36150 36873 38250 40970 46875 53125 54225 56250 60250 61455 63750 73746 78125 90375 93750 95625 102425 106250 108450 122910 140625 150625 156250 159375 180750 184365 191250 204850 234375 265625 271125 281250 301250 307275 318750 368730 390625 451875 468750 478125 512125 531250 542250 614550 703125 753125 781250 796875 903750 921825 956250 1024250 1171875 1328125 1355625 1406250 1506250 1536375 1593750 1843650 1953125 2259375 2343750 2390625 2560625 2656250 2711250 3072750 3515625 3765625 3906250 3984375 4518750 4609125 4781250 5121250 5859375 6640625 6778125 7031250 7531250 7681875 7968750 9218250 9765625 11296875 11718750 11953125 12803125 13281250 13556250 15363750 17578125 18828125 19531250 19921875 22593750 23045625 23906250 25606250 29296875 33203125 33890625 35156250 37656250 38409375 39843750 46091250 48828125 56484375 58593750 59765625 64015625 66406250 67781250 76818750 87890625 94140625 97656250 99609375 112968750 115228125 119531250 128031250 146484375 166015625 169453125 175781250 188281250 192046875 199218750 230456250 244140625 282421875 292968750 298828125 320078125 332031250 338906250 384093750 439453125 470703125 488281250 498046875 564843750 576140625 597656250 640156250 732421875 830078125 847265625 878906250 941406250 960234375 996093750 1152281250 1412109375 1464843750 1494140625 1600390625 1660156250 1694531250 1920468750 2197265625 2353515625 2490234375 2824218750 2880703125 2988281250 3200781250 4150390625 4236328125 4394531250 4707031250 4801171875 4980468750 5761406250 7060546875 7470703125 8001953125 8300781250 8472656250 9602343750 11767578125 12451171875 14121093750 14403515625 14941406250 16003906250 21181640625 23535156250 24005859375 24902343750 28807031250 35302734375 37353515625 40009765625 42363281250 48011718750 58837890625 70605468750 72017578125 74707031250 80019531250 105908203125 117675781250 120029296875 144035156250 176513671875 200048828125 211816406250 240058593750 353027343750 360087890625 400097656250 529541015625 600146484375 720175781250 1000244140625 1059082031250 1200292968750 1800439453125 2000488281250 3000732421875 3600878906250 6001464843750 9002197265625 18004394531250
• Sum of all divisors σ(n): 51844482379404
• Sum of proper divisors (its aliquot sum) s(n): 33840087848154
• 18004394531250 is an abundant number, because the sum of its proper divisors (33840087848154) is greater than itself. Its abundance is 15835693316904

Bases of 18004394531250

• Binary: 100000101111111111001100010100101100110110010₂
• Hexadecimal: 0x105FF98A59B2
• Base-36: 6DR3RN6WI

Squares and roots of 18004394531250

• 18004394531250 squared (18004394531250²) is 324158222436904907226562500
• 18004394531250 cubed (18004394531250³) is 5836272527302731759846210479736328125000
• The square root of 18004394531250 is 4243158.5559875087
• The cube root of 18004394531250 is 26209.5465333541

Scales and comparisons

• 18,004,394,531,250 seconds is equal to 572,484 years, 2 weeks, 5 days, 23 hours, 7 minutes, 30 seconds.
• To count from 1 to 18,004,394,531,250 would take you about one million, four hundred thirty-one thousand, two hundred ten 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 18004394531250 cubic inches would be around 2184.1 feet tall.

Recreational maths with 18004394531250

• 18004394531250 backwards is 05213549340081
• 18004394531250 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18004394531250's digits is 45
• More coming soon!