18198049680

Names of 18198049680

• Cardinal: 18198049680 can be written as Eighteen billion, one hundred ninety-eight million, forty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.819804968 × 10¹⁰

Factors of 18198049680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 47668

Divisors of 18198049680

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 59 60 72 80 81 90 108 118 120 135 144 162 177 180 216 236 240 270 295 324 354 360 405 432 472 531 540 590 648 708 720 810 885 944 1062 1080 1180 1296 1416 1593 1620 1770 2124 2160 2360 2655 2832 3186 3240 3540 4248 4720 4779 5310 6372 6480 7080 7965 8496 9558 10620 12744 14160 15930 19116 21240 23895 25488 31860 38232 42480 47599 47790 63720 76464 95198 95580 127440 142797 190396 191160 237995 285594 380792 382320 428391 475990 571188 713985 761584 856782 951980 1142376 1285173 1427970 1713564 1903960 2141955 2284752 2570346 2808341 2855940 3427128 3807920 3855519 4283910 5140692 5616682 5711880 6425865 6854256 7711038 8425023 8567820 10281384 11233364 11423760 12851730 14041705 15422076 16850046 17135640 19277595 20562768 22466728 25275069 25703460 28083410 30844152 33700092 34271280 38555190 42125115 44933456 50550138 51406920 56166820 61688304 67400184 75825207 77110380 84250230 101100276 102813840 112333640 126375345 134800368 151650414 154220760 168500460 202200552 224667280 227475621 252750690 303300828 308441520 337000920 379126035 404401104 454951242 505501380 606601656 674001840 758252070 909902484 1011002760 1137378105 1213203312 1516504140 1819804968 2022005520 2274756210 3033008280 3639609936 4549512420 6066016560 9099024840 18198049680
• Sum of all divisors σ(n): 64277136000
• Sum of proper divisors (its aliquot sum) s(n): 46079086320
• 18198049680 is an abundant number, because the sum of its proper divisors (46079086320) is greater than itself. Its abundance is 27881036640

Bases of 18198049680

• Binary: 10000111100101100000011001110010000₂
• Hexadecimal: 0x43CB03390
• Base-36: 8CYND00

Squares and roots of 18198049680

• 18198049680 squared (18198049680²) is 331169012155748102400
• 18198049680 cubed (18198049680³) is 6026630135686827865040927232000
• The square root of 18198049680 is 134900.1470718249
• The cube root of 18198049680 is 2630.3181522231

Scales and comparisons

• 18,198,049,680 seconds is equal to 578 years, 33 weeks, 2 days, 13 hours, 48 minutes.
• To count from 1 to 18,198,049,680 would take you about one thousand, one hundred fifty-seven 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 18198049680 cubic inches would be around 219.2 feet tall.

Recreational maths with 18198049680

• 18198049680 backwards is 08694089181
• 18198049680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18198049680's digits is 54
• More coming soon!