13455984789

Names of 13455984789

• Cardinal: 13455984789 can be written as Thirteen billion, four hundred fifty-five million, nine hundred eighty-four thousand, seven hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3455984789 × 10¹⁰

Factors of 13455984789

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 33

Divisors of 13455984789

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 9 13 17 27 39 51 81 117 153 221 243 289 351 459 663 729 867 1053 1377 1989 2601 3159 3757 4131 4913 5967 7803 9477 11271 12393 14739 17901 23409 33813 44217 53703 63869 70227 83521 101439 132651 161109 191607 210681 250563 304317 397953 574821 751689 912951 1085773 1193859 1419857 1724463 2255067 2738853 3257319 3581577 4259571 5173389 6765201 9771957 12778713 15520167 18458141 20295603 29315871 38336139 46560501 55374423 60886809 87947613 115008417 166123269 263842839 345025251 498369807 791528517 1035075753 1495109421 4485328263 13455984789
• Sum of all divisors σ(n): 23084566596
• Sum of proper divisors (its aliquot sum) s(n): 9628581807
• 13455984789 is a deficient number, because the sum of its proper divisors (9628581807) is less than itself. Its deficiency is 3827402982

Bases of 13455984789

• Binary: 1100100010000010100000100010010101₂
• Hexadecimal: 0x3220A0895
• Base-36: 66JCGB9

Squares and roots of 13455984789

• 13455984789 squared (13455984789²) is 181063526641799374521
• 13455984789 cubed (13455984789³) is 2436388060334748635144290161069
• The square root of 13455984789 is 115999.9344353263
• The cube root of 13455984789 is 2378.5109903875

Scales and comparisons

• 13,455,984,789 seconds is equal to 427 years, 44 weeks, 4 days, 13 hours, 33 minutes, 9 seconds.
• To count from 1 to 13,455,984,789 would take you about eight hundred fifty-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 13455984789 cubic inches would be around 198.2 feet tall.

Recreational maths with 13455984789

• 13455984789 backwards is 98748955431
• The number of decimal digits it has is: 11
• The sum of 13455984789's digits is 63
• More coming soon!