61281331384

Names of 61281331384

• Cardinal: 61281331384 can be written as Sixty-one billion, two hundred eighty-one million, three hundred thirty-one thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 6.1281331384 × 10¹⁰

Factors of 61281331384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8818

Divisors of 61281331384

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 182 196 364 392 637 728 1274 1693 2548 3386 5096 6772 7103 11851 13544 14206 22009 23702 28412 44018 47404 49721 56824 82957 88036 92339 94808 99442 154063 165914 176072 184678 198884 308126 331828 348047 369356 397768 616252 646373 663656 696094 738712 1078441 1232504 1292746 1392188 2156882 2585492 2784376 4313764 4524611 5170984 8627528 9049222 12025379 18098444 24050758 36196888 48101516 84177653 96203032 156329927 168355306 312659854 336710612 589243571 625319708 673421224 1094309489 1178487142 1250639416 2188618978 2356974284 4377237956 4713948568 7660166423 8754475912 15320332846 30640665692 61281331384
• Sum of all divisors σ(n): 144049086720
• Sum of proper divisors (its aliquot sum) s(n): 82767755336
• 61281331384 is an abundant number, because the sum of its proper divisors (82767755336) is greater than itself. Its abundance is 21486423952

Bases of 61281331384

• Binary: 111001000100101001101110100010111000₂
• Hexadecimal: 0xE44A6E8B8
• Base-36: S5HBLX4

Squares and roots of 61281331384

• 61281331384 squared (61281331384²) is 3755401576195623355456
• 61281331384 cubed (61281331384³) is 230136008470839920856149160431104
• The square root of 61281331384 is 247550.6642770325
• The cube root of 61281331384 is 3942.5395984999

Scales and comparisons

• 61,281,331,384 seconds is equal to 1,948 years, 28 weeks, 6 days, 16 hours, 3 minutes, 4 seconds.
• To count from 1 to 61,281,331,384 would take you about three thousand, eight hundred ninety-seven 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 61281331384 cubic inches would be around 328.5 feet tall.

Recreational maths with 61281331384

• 61281331384 backwards is 48313318216
• The number of decimal digits it has is: 11
• The sum of 61281331384's digits is 40
• More coming soon!