1620428433

Names of 1620428433

• Cardinal: 1620428433 can be written as One billion, six hundred twenty million, four hundred twenty-eight thousand, four hundred thirty-three.

Scientific notation

• Scientific notation: 1.620428433 × 10⁹

Factors of 1620428433

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 486

Divisors of 1620428433

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 19 39 57 67 127 201 247 257 381 741 771 871 1273 1651 2413 2613 3341 3819 4883 4953 7239 8509 10023 14649 16549 17219 25527 31369 32639 49647 51657 63479 94107 97917 110617 161671 190437 223847 327161 331851 424307 485013 620141 671541 981483 1272921 1860423 2101723 2186813 4253093 6305169 6560439 8061833 12759279 24185499 28428569 41549447 85285707 124648341 540142811 1620428433
• Sum of all divisors σ(n): 2515107840
• Sum of proper divisors (its aliquot sum) s(n): 894679407
• 1620428433 is a deficient number, because the sum of its proper divisors (894679407) is less than itself. Its deficiency is 725749026

Bases of 1620428433

• Binary: 1100000100101011100011010010001₂
• Hexadecimal: 0x6095C691
• Base-36: QSREKX

Squares and roots of 1620428433

• 1620428433 squared (1620428433²) is 2625788306474835489
• 1620428433 cubed (1620428433³) is 4254902030850741425373058737
• The square root of 1620428433 is 40254.5454948879
• The cube root of 1620428433 is 1174.5638176995

Scales and comparisons

• 1,620,428,433 seconds is equal to 51 years, 27 weeks, 1 day, 23 hours, 33 seconds.
• To count from 1 to 1,620,428,433 would take you about one hundred 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 1620428433 cubic inches would be around 97.9 feet tall.

Recreational maths with 1620428433

• 1620428433 backwards is 3348240261
• The number of decimal digits it has is: 10
• The sum of 1620428433's digits is 33
• More coming soon!