1329105920

Names of 1329105920

• Cardinal: 1329105920 can be written as One billion, three hundred twenty-nine million, one hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.32910592 × 10⁹

Factors of 1329105920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6087

Divisors of 1329105920

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 256 320 344 430 512 640 688 860 1024 1280 1376 1720 2560 2752 3440 5120 5504 6037 6880 11008 12074 13760 22016 24148 27520 30185 44032 48296 55040 60370 96592 110080 120740 193184 220160 241480 259591 386368 482960 519182 772736 965920 1038364 1297955 1545472 1931840 2076728 2595910 3090944 3863680 4153456 5191820 6181888 7727360 8306912 10383640 15454720 16613824 20767280 30909440 33227648 41534560 66455296 83069120 132910592 166138240 265821184 332276480 664552960 1329105920
• Sum of all divisors σ(n): 3262983504
• Sum of proper divisors (its aliquot sum) s(n): 1933877584
• 1329105920 is an abundant number, because the sum of its proper divisors (1933877584) is greater than itself. Its abundance is 604771664

Bases of 1329105920

• Binary: 1001111001110001000110000000000₂
• Hexadecimal: 0x4F388C00
• Base-36: LZBCOW

Squares and roots of 1329105920

• 1329105920 squared (1329105920²) is 1766522546579046400
• 1329105920 cubed (1329105920³) is 2347895574471686318194688000
• The square root of 1329105920 is 36456.9049701151
• The cube root of 1329105920 is 1099.4779671713

Scales and comparisons

• 1,329,105,920 seconds is equal to 42 years, 13 weeks, 4 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,329,105,920 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 1329105920 cubic inches would be around 91.6 feet tall.

Recreational maths with 1329105920

• 1329105920 backwards is 0295019231
• 1329105920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1329105920's digits is 32
• More coming soon!