1329391220

Names of 1329391220

• Cardinal: 1329391220 can be written as One billion, three hundred twenty-nine million, three hundred ninety-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.32939122 × 10⁹

Factors of 1329391220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 391

Divisors of 1329391220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 67 71 89 134 142 157 178 268 284 314 335 355 356 445 628 670 710 785 890 1340 1420 1570 1780 3140 4757 5963 6319 9514 10519 11147 11926 12638 13973 19028 21038 22294 23785 23852 25276 27946 29815 31595 42076 44588 47570 52595 55735 55892 59630 63190 69865 95140 105190 111470 119260 126380 139730 210380 222940 279460 423373 746849 846746 936191 992083 1493698 1693492 1872382 1984166 2116865 2987396 3734245 3744764 3968332 4233730 4680955 4960415 7468490 8467460 9361910 9920830 14936980 18723820 19841660 66469561 132939122 265878244 332347805 664695610 1329391220
• Sum of all divisors σ(n): 2924087040
• Sum of proper divisors (its aliquot sum) s(n): 1594695820
• 1329391220 is an abundant number, because the sum of its proper divisors (1594695820) is greater than itself. Its abundance is 265304600

Bases of 1329391220

• Binary: 1001111001111001110011001110100₂
• Hexadecimal: 0x4F3CE674
• Base-36: LZHGTW

Squares and roots of 1329391220

• 1329391220 squared (1329391220²) is 1767281015813088400
• 1329391220 cubed (1329391220³) is 2349407865694600880043848000
• The square root of 1329391220 is 36460.8175991707
• The cube root of 1329391220 is 1099.5566312361

Scales and comparisons

• 1,329,391,220 seconds is equal to 42 years, 14 weeks, 11 hours, 20 minutes, 20 seconds.
• To count from 1 to 1,329,391,220 would take you about eighty-four 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 1329391220 cubic inches would be around 91.6 feet tall.

Recreational maths with 1329391220

• 1329391220 backwards is 0221939231
• The number of decimal digits it has is: 10
• The sum of 1329391220's digits is 32
• More coming soon!