18389914480

Names of 18389914480

• Cardinal: 18389914480 can be written as Eighteen billion, three hundred eighty-nine million, nine hundred fourteen thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.838991448 × 10¹⁰

Factors of 18389914480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1449

Divisors of 18389914480

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 71 80 112 140 142 280 284 355 497 560 568 631 710 733 994 1136 1262 1420 1466 1988 2485 2524 2840 2932 3155 3665 3976 4417 4970 5048 5131 5680 5864 6310 7330 7952 8834 9940 10096 10262 11728 12620 14660 17668 19880 20524 22085 25240 25655 29320 35336 39760 41048 44170 44801 50480 51310 52043 58640 70672 82096 88340 89602 102620 104086 176680 179204 205240 208172 224005 260215 313607 353360 358408 364301 410480 416344 448010 462523 520430 627214 716816 728602 832688 896020 925046 1040860 1254428 1457204 1568035 1792040 1821505 1850092 2081720 2312615 2508856 2914408 3136070 3237661 3584080 3643010 3700184 4163440 4625230 5017712 5828816 6272140 6475322 7286020 7400368 9250460 12544280 12950644 14572040 16188305 18500920 25088560 25901288 29144080 32376610 32839133 37001840 51802576 64753220 65678266 129506440 131356532 164195665 229873931 259012880 262713064 328391330 459747862 525426128 656782660 919495724 1149369655 1313565320 1838991448 2298739310 2627130640 3677982896 4597478620 9194957240 18389914480
• Sum of all divisors σ(n): 49699104768
• Sum of proper divisors (its aliquot sum) s(n): 31309190288
• 18389914480 is an abundant number, because the sum of its proper divisors (31309190288) is greater than itself. Its abundance is 12919275808

Bases of 18389914480

• Binary: 10001001000000111111101001101110000₂
• Hexadecimal: 0x4481FD370
• Base-36: 8G4VOTS

Squares and roots of 18389914480

• 18389914480 squared (18389914480²) is 338188954581713670400
• 18389914480 cubed (18389914480³) is 6219265952838318570502907392000
• The square root of 18389914480 is 135609.4188469223
• The cube root of 18389914480 is 2639.5298022413

Scales and comparisons

• 18,389,914,480 seconds is equal to 584 years, 38 weeks, 4 days, 5 hours, 34 minutes, 40 seconds.
• To count from 1 to 18,389,914,480 would take you about one thousand, one hundred sixty-nine 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 18389914480 cubic inches would be around 220 feet tall.

Recreational maths with 18389914480

• 18389914480 backwards is 08441998381
• The number of decimal digits it has is: 11
• The sum of 18389914480's digits is 55
• More coming soon!