61661538 (number)

61661538 is an even 8-digits composite number following 61661537 and preceding 61661539. In scientific notation, it is written as 6.1661538 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 20553840 positive integers (up to 61661538) that are relatively prime to 61661538.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred sixty-one thousand five hundred thirty-eight

Notation

Scientific notation 6.1661538 × 10^7
Engineering notation 6.1661538 × 10^6

Prime Factorization of 61661538

Prime Factorization 2 × 9 × 3425641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61661538
Product of the distinct prime numbers

The prime factorization of 61661538 is 2 × 9 × 3425641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 25, 65, 668, 29, 1325, 1999, 79163, 89260, 400738, 520024, 1808381, 1589813, 64592653, 25199539, 450078456, 339616385, 7310159171, 8115196282

Basic calculations (n = 61661538)

Multiplication

n×y
n×2 123323076
n×3 184984614
n×4 246646152
n×5 308307690

Division

n÷y
n÷2 30830769
n÷3 20553846
n÷3 15415384.5
n÷5 12332307.6

Exponentiation

ny
n2 3802145268525444
n3 2.344461249567E+23
n4 1.445630864297E+31
n5 8.9139822472825E+38

Nth Root

y√n
2√n 7852.4861031396
3√n 395.06763356117
4√n 88.614254514381
5√n 36.141225148897

Divisors of 61661538

1, 2, 9, 18, 3425641, 6851282, 30830769, 61661538

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61661537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61661538 can be divided by 8 positive divisors. The sum of these divisors (counting 61661538) is 1, the average is 0.125.

Base conversion 61661538

Base System Value
2 Binary 11101011001110000101100010
3 Ternary 11022000201201200
4 Quaternary 3223032011202
5 Quinary 111241132123
6 Senary 10041342030
8 Octal 353160542
10 Decimal 61661538
12 Duodecimal 18797916
16 Hexadecimal 3ace162
20 Vigesimal j57dgi
36 Base36 10pmci

Cryptographic Hash Functions

md5 17843dacdaf359bebac13f1fab2d9fdb
sha1 2aa2a04415e6ac5c74740820cce9b42a8defed1f
sha256 473c8b913d86c38217f5f83b83ac9fe67e438eac26e0654ca1cdfd0af24df76a
sha512 3eee4673cf362ea50949f126ae507995da8e53ac7df0caf966acc3146fc67f55147a10e71c32917fc5952c094f3969906aa99499cf809e5de44ab28cdc899e57
ripemd-160 df8362b8c12cbe34abd87d142d2f8bd374b12791

61661538 as geometric shapes

Circle

Radius = n
Diameter 123323076
Circumference 387430869.5797
Area 1.1944791643481E+16

Sphere

Radius = n
Volume 9.8204563176876E+23
Surface area 4.7779166573923E+16
Circumference 387430869.5797

Square

Length = n
Perimeter 246646152
Area 3802145268525444
Diagonal 87202583.316384

Cube

Length = n
Surface area 22812871611152664
Volume 2.344461249567E+23
Space diagonal 106800916.68884

Equilateral Triangle

Length = n
Perimeter 184984614
Area 1.6463771957109E+15
Altitude 53400458.34442

Triangular Pyramid

Length = n
Surface area 1.6463771957109E+15
Volume 2.7629740796632E+22
Height 29067527.772128