13455387648

Names of 13455387648

• Cardinal: 13455387648 can be written as Thirteen billion, four hundred fifty-five million, three hundred eighty-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.3455387648 × 10¹⁰

Factors of 13455387648

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1460008

Divisors of 13455387648

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2304 3072 4608 9216 1460003 2920006 4380009 5840012 8760018 11680024 13140027 17520036 23360048 26280054 35040072 46720096 52560108 70080144 93440192 105120216 140160288 186880384 210240432 280320576 373760768 420480864 560641152 747521536 840961728 1121282304 1495043072 1681923456 2242564608 3363846912 4485129216 6727693824 13455387648
• Sum of all divisors σ(n): 38852166444
• Sum of proper divisors (its aliquot sum) s(n): 25396778796
• 13455387648 is an abundant number, because the sum of its proper divisors (25396778796) is greater than itself. Its abundance is 11941391148

Bases of 13455387648

• Binary: 1100100010000000001110110000000000₂
• Hexadecimal: 0x32200EC00
• Base-36: 66IZNK0

Squares and roots of 13455387648

• 13455387648 squared (13455387648²) is 181047456757950971904
• 13455387648 cubed (13455387648³) is 2436063713362747633146676641792
• The square root of 13455387648 is 115997.3605216947
• The cube root of 13455387648 is 2378.4758058589

Scales and comparisons

• 13,455,387,648 seconds is equal to 427 years, 43 weeks, 4 days, 15 hours, 40 minutes, 48 seconds.
• To count from 1 to 13,455,387,648 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 13455387648 cubic inches would be around 198.2 feet tall.

Recreational maths with 13455387648

• 13455387648 backwards is 84678355431
• The number of decimal digits it has is: 11
• The sum of 13455387648's digits is 54
• More coming soon!