61197797220

Names of 61197797220

• Cardinal: 61197797220 can be written as Sixty-one billion, one hundred ninety-seven million, seven hundred ninety-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 6.119779722 × 10¹⁰

Factors of 61197797220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12088

Divisors of 61197797220

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 12071 24142 36213 48284 60355 72426 84497 120710 144852 168994 181065 241420 253491 337988 362130 422485 506982 724260 844970 1013964 1267455 1689940 2534910 5069820 145709041 291418082 437127123 582836164 728545205 874254246 1019963287 1457090410 1748508492 2039926574 2185635615 2914180820 3059889861 4079853148 4371271230 5099816435 6119779722 8742542460 10199632870 12239559444 15299449305 20399265740 30598898610 61197797220
• Sum of all divisors σ(n): 195849175872
• Sum of proper divisors (its aliquot sum) s(n): 134651378652
• 61197797220 is an abundant number, because the sum of its proper divisors (134651378652) is greater than itself. Its abundance is 73453581432

Bases of 61197797220

• Binary: 111000111111101011000100011101100100₂
• Hexadecimal: 0xE3FAC4764
• Base-36: S43L6JO

Squares and roots of 61197797220

• 61197797220 squared (61197797220²) is 3745170384580239728400
• 61197797220 cubed (61197797220³) is 229196177749890925717611075048000
• The square root of 61197797220 is 247381.8853917967
• The cube root of 61197797220 is 3940.7473914341

Scales and comparisons

• 61,197,797,220 seconds is equal to 1,945 years, 46 weeks, 5 days, 20 hours, 7 minutes.
• To count from 1 to 61,197,797,220 would take you about three thousand, eight hundred ninety-one 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 61197797220 cubic inches would be around 328.4 feet tall.

Recreational maths with 61197797220

• 61197797220 backwards is 02279779116
• The number of decimal digits it has is: 11
• The sum of 61197797220's digits is 51
• More coming soon!