61687908 (number)

61687908 is an even 8-digits composite number following 61687907 and preceding 61687909. In scientific notation, it is written as 6.1687908 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 19480176 positive integers (up to 61687908) that are relatively prime to 61687908.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred eighty-seven thousand nine hundred eight

Notation

Scientific notation 6.1687908 × 10^7
Engineering notation 6.1687908 × 10^6

Prime Factorization of 61687908

Prime Factorization 2 × 2 × 9 × 19 × 90187

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 30843954
Product of the distinct prime numbers

The prime factorization of 61687908 is 2 × 2 × 9 × 19 × 90187. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 57, 97, 949, 714, 7004, 9384, 2470, 38644, 42579, 52503, 2792327, 7952033, 86649651, 92729199, 871529387, 783183525, 7452038223, 7619570482

Basic calculations (n = 61687908)

Multiplication

n×y
n×2 123375816
n×3 185063724
n×4 246751632
n×5 308439540

Division

n÷y
n÷2 30843954
n÷3 20562636
n÷3 15421977
n÷5 12337581.6

Exponentiation

ny
n2 3805397993416464
n3 2.3474704132126E+23
n4 1.4481053888298E+31
n5 8.9330592000437E+38

Nth Root

y√n
2√n 7854.1650097257
3√n 395.12394337269
4√n 88.623727126124
5√n 36.144315831191

Divisors of 61687908

1, 2, 4, 9, 18, 19, 36, 38, 76, 171, 342, 684, 90187, 180374, 360748, 811683, 1623366, 1713553, 3246732, 3427106, 6854212, 15421977, 30843954, 61687908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61687907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61687908 can be divided by 24 positive divisors. The sum of these divisors (counting 61687908) is 1, the average is 0.041666666666667.

Base conversion 61687908

Base System Value
2 Binary 11101011010100100001100100
3 Ternary 11022002001220100
4 Quaternary 3223110201210
5 Quinary 111243003113
6 Senary 10042104100
8 Octal 353244144
10 Decimal 61687908
12 Duodecimal 187ab030
16 Hexadecimal 3ad4864
20 Vigesimal j5ajf8
36 Base36 10q6p0

Cryptographic Hash Functions

md5 04a7b685a2e96c588a00fe94a17a53d5
sha1 d2677048964919155ba9eecdbe62e99c7fe117de
sha256 11faf01c8f14a5572e54b095bc3020e83b7d997319aae726cf59a2ce43afdce1
sha512 a5bc273ac53f26ac3b158de54a4ce4a9b42cc56c3d262bb2176679ae443568f4ab25ff735000597dba1ed30885899a5ca480e8ba5785f0e86b27a47d2125d5b5
ripemd-160 aafb0ff8778626afa6119318e7d174827dce9ae3

61687908 as geometric shapes

Circle

Radius = n
Diameter 123375816
Circumference 387596557.17625
Area 1.1955010380103E+16

Sphere

Radius = n
Volume 9.8330610728908E+23
Surface area 4.782004152041E+16
Circumference 387596557.17625

Square

Length = n
Perimeter 246751632
Area 3805397993416464
Diagonal 87239876.128024

Cube

Length = n
Surface area 22832387960498784
Volume 2.3474704132126E+23
Space diagonal 106846590.86863

Equilateral Triangle

Length = n
Perimeter 185063724
Area 1.6477856669045E+15
Altitude 53423295.434317

Triangular Pyramid

Length = n
Surface area 1.6477856669045E+15
Volume 2.766520413029E+22
Height 29079958.709341