21007088528

Names of 21007088528

• Cardinal: 21007088528 can be written as Twenty-one billion, seven million, eighty-eight thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1007088528 × 10¹⁰

Factors of 21007088528

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1077

Divisors of 21007088528

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 73 146 292 433 569 584 866 1138 1168 1732 2276 3464 4552 5329 6928 9104 10658 21316 31609 41537 42632 63218 83074 85264 126436 166148 246377 252872 332296 492754 505744 664592 985508 1971016 2307457 3032201 3942032 4614914 6064402 9229828 12128804 17985521 18459656 24257608 35971042 36919312 48515216 71942084 143884168 287768336 1312943033 2625886066 5251772132 10503544264 21007088528
• Sum of all divisors σ(n): 41434418340
• Sum of proper divisors (its aliquot sum) s(n): 20427329812
• 21007088528 is a deficient number, because the sum of its proper divisors (20427329812) is less than itself. Its deficiency is 579758716

Bases of 21007088528

• Binary: 10011100100000111101011101110010000₂
• Hexadecimal: 0x4E41EBB90
• Base-36: 9NF2T8W

Squares and roots of 21007088528

• 21007088528 squared (21007088528²) is 441297768423229206784
• 21007088528 cubed (21007088528³) is 9270381288475618918546706173952
• The square root of 21007088528 is 144938.2231435171
• The cube root of 21007088528 is 2759.2345654483

Scales and comparisons

• 21,007,088,528 seconds is equal to 667 years, 49 weeks, 6 days, 14 hours, 22 minutes, 8 seconds.
• To count from 1 to 21,007,088,528 would take you about one thousand, three hundred thirty-five 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 21007088528 cubic inches would be around 229.9 feet tall.

Recreational maths with 21007088528

• 21007088528 backwards is 82588070012
• The number of decimal digits it has is: 11
• The sum of 21007088528's digits is 41
• More coming soon!