61369998720

Names of 61369998720

• Cardinal: 61369998720 can be written as Sixty-one billion, three hundred sixty-nine million, nine hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.136999872 × 10¹⁰

Factors of 61369998720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 31963551

Divisors of 61369998720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 31963541 63927082 95890623 127854164 159817705 191781246 255708328 319635410 383562492 479453115 511416656 639270820 767124984 958906230 1022833312 1278541640 1534249968 1917812460 2045666624 2557083280 3068499936 3835624920 4091333248 5114166560 6136999872 7671249840 10228333120 12273999744 15342499680 20456666240 30684999360 61369998720
• Sum of all divisors σ(n): 195616877040
• Sum of proper divisors (its aliquot sum) s(n): 134246878320
• 61369998720 is an abundant number, because the sum of its proper divisors (134246878320) is greater than itself. Its abundance is 72876879600

Bases of 61369998720

• Binary: 111001001001111011111101110110000000₂
• Hexadecimal: 0xE49EFDD80
• Base-36: S6Y422O

Squares and roots of 61369998720

• 61369998720 squared (61369998720²) is 3766276742892801638400
• 61369998720 cubed (61369998720³) is 231136398890497005645821902848000
• The square root of 61369998720 is 247729.6888142395
• The cube root of 61369998720 is 3944.4401556635

Scales and comparisons

• 61,369,998,720 seconds is equal to 1,951 years, 19 weeks, 3 days, 21 hours, 52 minutes.
• To count from 1 to 61,369,998,720 would take you about three thousand, nine hundred two 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 61369998720 cubic inches would be around 328.7 feet tall.

Recreational maths with 61369998720

• 61369998720 backwards is 02789996316
• 61369998720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61369998720's digits is 60
• More coming soon!