61439920 (number)

61439920 is an even 8-digits composite number following 61439919 and preceding 61439921. In scientific notation, it is written as 6.1439920 × 10^7. The sum of its digits is 34. It has a total of 8 prime factors and 80 positive divisors. There are 22954752 positive integers (up to 61439920) that are relatively prime to 61439920.

Interesting facts

Basic properties

Name

Name sixty-one million four hundred thirty-nine thousand nine hundred twenty

Notation

Scientific notation 6.1439920 × 10^7
Engineering notation 6.1439920 × 10^6

Prime Factorization of 61439920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 19 × 83 × 487

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 7679990
Product of the distinct prime numbers

The prime factorization of 61439920 is 2 × 2 × 2 × 2 × 5 × 19 × 83 × 487. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61439920)

Multiplication

n×y
n×2 122879840
n×3 184319760
n×4 245759680
n×5 307199600

Division

n÷y
n÷2 30719960
n÷3 20479973.333333
n÷3 15359980
n÷5 12287984

Exponentiation

ny
n2 3774863769606400
n3 2.3192732801552E+23
n4 1.4249596479087E+31
n5 8.7549406770739E+38

Nth Root

y√n
2√n 7838.3620738009
3√n 394.59376062807
4√n 88.53452475617
5√n 36.115208652888

Divisors of 61439920

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61439919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61439920 can be divided by 80 positive divisors. The sum of these divisors (counting 61439920) is 1, the average is 0.0125.

Base conversion 61439920

Base System Value
2 Binary 11101010010111111110110000
3 Ternary 11021121110201121
4 Quaternary 3222113332300
5 Quinary 111212034140
6 Senary 10032512024
8 Octal 352277660
10 Decimal 61439920
12 Duodecimal 186ab614
16 Hexadecimal 3a97fb0
20 Vigesimal j3jjg0
36 Base36 10kvcg

Cryptographic Hash Functions

md5 4b70080bb7f12fffc3c8cd3778e107e9
sha1 6fdf9dbb5520e30e27648058ea6235059012baca
sha256 95e1f720c9dc52dafbb48ebe0c765233288f6a7275613877d860fbf52d0822bc
sha512 4f76008aabef47bd2fdd82c06d6ed4241051d9e20a6f8e6a62f114efe0347f7c2ec1146ddf956b560686bbe540e349865a692030d1bcaa54b2f499e4037c7138
ripemd-160 a9a7d32028ff96a9f67b6d68935953fa21f50aa1

61439920 as geometric shapes

Circle

Radius = n
Diameter 122879840
Circumference 386038402.61829
Area 1.1859084286898E+16

Sphere

Radius = n
Volume 9.7149491981367E+23
Surface area 4.7436337147591E+16
Circumference 386038402.61829

Square

Length = n
Perimeter 245759680
Area 3774863769606400
Diagonal 86889168.135118

Cube

Length = n
Surface area 22649182617638400
Volume 2.3192732801552E+23
Space diagonal 106417063.05297

Equilateral Triangle

Length = n
Perimeter 184319760
Area 1.6345639601523E+15
Altitude 53208531.526484

Triangular Pyramid

Length = n
Surface area 1.6345639601523E+15
Volume 2.7332897730375E+22
Height 28963056.045039