61639985 (number)

61639985 is an odd 8-digits composite number following 61639984 and preceding 61639986. In scientific notation, it is written as 6.1639985 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 44829040 positive integers (up to 61639985) that are relatively prime to 61639985.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred thirty-nine thousand nine hundred eighty-five

Notation

Scientific notation 6.1639985 × 10^7
Engineering notation 6.1639985 × 10^6

Prime Factorization of 61639985

Prime Factorization 55 × 1120727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61639985
Product of the distinct prime numbers

The prime factorization of 61639985 is 55 × 1120727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61639985)

Multiplication

n×y
n×2 123279970
n×3 184919955
n×4 246559940
n×5 308199925

Division

n÷y
n÷2 30819992.5
n÷3 20546661.666667
n÷3 15409996.25
n÷5 12327997

Exponentiation

ny
n2 3799487750800225
n3 2.3420036796701E+23
n4 1.4436107168481E+31
n5 8.8984142932356E+38

Nth Root

y√n
2√n 7851.1136152778
3√n 395.02159792175
4√n 88.606510005065
5√n 36.138698255204

Divisors of 61639985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61639984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61639985 can be divided by 4 positive divisors. The sum of these divisors (counting 61639985) is 1, the average is 0.25.

Base conversion 61639985

Base System Value
2 Binary 11101011001000110100110001
3 Ternary 11021222122011102
4 Quaternary 3223020310301
5 Quinary 111234434420
6 Senary 10041054145
8 Octal 353106461
10 Decimal 61639985
12 Duodecimal 18787355
16 Hexadecimal 3ac8d31
20 Vigesimal j54jj5
36 Base36 10p5pt

Cryptographic Hash Functions

md5 d0e813b7a139d2fd83b23bd6e84f6693
sha1 9a6451dedf52eb719d3c736e3454770f57dc40ad
sha256 f66a08ec45b4e689517c5b14dbd12a71e96110717785fea093c33f825a05daf9
sha512 7f4bace1a925806b934e75458bb9581f5463b0a00b6cdd14de219569c97f70134847d87913890a35d40b9a6813ee21a3c249e0d2024e0103033071416f8ec468
ripemd-160 46b14b3d4e4ea9e2da6ac6fd67e77f2c0b90ab2a

61639985 as geometric shapes

Circle

Radius = n
Diameter 123279970
Circumference 387295448.08677
Area 1.1936442805318E+16

Sphere

Radius = n
Volume 9.8101620729758E+23
Surface area 4.7745771221274E+16
Circumference 387295448.08677

Square

Length = n
Perimeter 246559940
Area 3799487750800225
Diagonal 87172102.771474

Cube

Length = n
Surface area 22796926504801350
Volume 2.3420036796701E+23
Space diagonal 106763585.79778

Equilateral Triangle

Length = n
Perimeter 184919955
Area 1.6452264567804E+15
Altitude 53381792.898892

Triangular Pyramid

Length = n
Surface area 1.6452264567804E+15
Volume 2.7600778057643E+22
Height 29057367.590491