30723388672

Names of 30723388672

• Cardinal: 30723388672 can be written as Thirty billion, seven hundred twenty-three million, three hundred eighty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.0723388672 × 10¹⁰

Factors of 30723388672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1840

Divisors of 30723388672

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 256 296 592 1184 1801 2368 3602 4736 7204 9472 14408 28816 57632 66637 115264 133274 230528 266548 461056 533096 1066192 2132384 3243601 4264768 6487202 8529536 12974404 17059072 25948808 51897616 103795232 120013237 207590464 240026474 415180928 480052948 830361856 960105896 1920211792 3840423584 7680847168 15361694336 30723388672
• Sum of all divisors σ(n): 63019235454
• Sum of proper divisors (its aliquot sum) s(n): 32295846782
• 30723388672 is an abundant number, because the sum of its proper divisors (32295846782) is greater than itself. Its abundance is 1572458110

Bases of 30723388672

• Binary: 11100100111010000011011010100000000₂
• Hexadecimal: 0x72741B500
• Base-36: E43WUF4

Squares and roots of 30723388672

• 30723388672 squared (30723388672²) is 943926611490777923584
• 30723388672 cubed (30723388672³) is 29000624162675111489908347240448
• The square root of 30723388672 is 175280.8850730733
• The cube root of 30723388672 is 3132.0092667077

Scales and comparisons

• 30,723,388,672 seconds is equal to 976 years, 47 weeks, 1 day, 18 hours, 37 minutes, 52 seconds.
• To count from 1 to 30,723,388,672 would take you about one thousand, nine hundred fifty-three 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 30723388672 cubic inches would be around 261 feet tall.

Recreational maths with 30723388672

• 30723388672 backwards is 27688332703
• The number of decimal digits it has is: 11
• The sum of 30723388672's digits is 49
• More coming soon!