21490276734

Names of 21490276734

• Cardinal: 21490276734 can be written as Twenty-one billion, four hundred ninety million, two hundred seventy-six thousand, seven hundred thirty-four.

Scientific notation

• Scientific notation: 2.1490276734 × 10¹⁰

Factors of 21490276734

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5811

Divisors of 21490276734

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 23 46 69 71 131 138 142 207 213 262 393 414 426 639 786 1179 1278 1633 2358 3013 3266 4899 5581 6026 9039 9301 9798 11162 14697 16743 18078 18602 27117 27903 29394 33486 50229 54234 55806 83709 100458 128363 167418 213923 256726 385089 396251 427846 641769 731111 770178 792502 1155267 1188753 1283538 1462222 1925307 2193333 2310534 2377506 3566259 3850614 4386666 6579999 7132518 9113773 13159998 16815553 18227546 27341319 33631106 50446659 51908881 54682638 82023957 100893318 103817762 151339977 155726643 164047914 302679954 311453286 467179929 934359858 1193904263 2387808526 3581712789 7163425578 10745138367 21490276734
• Sum of all divisors σ(n): 49656043008
• Sum of proper divisors (its aliquot sum) s(n): 28165766274
• 21490276734 is an abundant number, because the sum of its proper divisors (28165766274) is greater than itself. Its abundance is 6675489540

Bases of 21490276734

• Binary: 10100000000111010111001100101111110₂
• Hexadecimal: 0x500EB997E
• Base-36: 9VER7NI

Squares and roots of 21490276734

• 21490276734 squared (21490276734²) is 461831994103901706756
• 21490276734 cubed (21490276734³) is 9924897357907904027321357414904
• The square root of 21490276734 is 146595.6231747729
• The cube root of 21490276734 is 2780.2296419343

Scales and comparisons

• 21,490,276,734 seconds is equal to 683 years, 16 weeks, 6 days, 1 hour, 18 minutes, 54 seconds.
• To count from 1 to 21,490,276,734 would take you about one thousand, three hundred sixty-six 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 21490276734 cubic inches would be around 231.7 feet tall.

Recreational maths with 21490276734

• 21490276734 backwards is 43767209412
• The number of decimal digits it has is: 11
• The sum of 21490276734's digits is 45
• More coming soon!