1812842220

Names of 1812842220

• Cardinal: 1812842220 can be written as One billion, eight hundred twelve million, eight hundred forty-two thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.81284222 × 10⁹

Factors of 1812842220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5783

Divisors of 1812842220

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 109 140 147 196 210 218 245 294 327 420 436 490 545 588 654 735 763 980 1090 1308 1470 1526 1635 2180 2289 2940 3052 3270 3815 4578 5341 5657 6540 7630 9156 10682 11314 11445 15260 16023 16971 21364 22628 22890 26705 28285 32046 33942 39599 45780 53410 56570 64092 67884 79198 80115 84855 106820 113140 118797 158396 160230 169710 197995 237594 277193 320460 339420 395990 475188 554386 593985 616613 791980 831579 1108772 1187970 1233226 1385965 1663158 1849839 2375940 2466452 2771930 3083065 3326316 3699678 4157895 4316291 5543860 6166130 7399356 8315790 8632582 9249195 12332260 12948873 16631580 17265164 18498390 21581455 25897746 30214037 36996780 43162910 51795492 60428074 64744365 86325820 90642111 120856148 129488730 151070185 181284222 258977460 302140370 362568444 453210555 604280740 906421110 1812842220
• Sum of all divisors σ(n): 5959910880
• Sum of proper divisors (its aliquot sum) s(n): 4147068660
• 1812842220 is an abundant number, because the sum of its proper divisors (4147068660) is greater than itself. Its abundance is 2334226440

Bases of 1812842220

• Binary: 1101100000011011100011011101100₂
• Hexadecimal: 0x6C0DC6EC
• Base-36: TZBI0C

Squares and roots of 1812842220

• 1812842220 squared (1812842220²) is 3286396914614528400
• 1812842220 cubed (1812842220³) is 5957719078490952108909048000
• The square root of 1812842220 is 42577.4848951885
• The cube root of 1812842220 is 1219.3264713743

Scales and comparisons

• 1,812,842,220 seconds is equal to 57 years, 33 weeks, 2 days, 23 hours, 17 minutes.
• To count from 1 to 1,812,842,220 would take you about one hundred fifteen 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 1812842220 cubic inches would be around 101.6 feet tall.

Recreational maths with 1812842220

• 1812842220 backwards is 0222482181
• 1812842220 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1812842220's digits is 30
• More coming soon!