61561640 (number)

61561640 is an even 8-digits composite number following 61561639 and preceding 61561641. In scientific notation, it is written as 6.1561640 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 64 positive divisors. There are 21073920 positive integers (up to 61561640) that are relatively prime to 61561640.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred sixty-one thousand six hundred forty

Notation

Scientific notation 6.1561640 × 10^7
Engineering notation 6.1561640 × 10^6

Prime Factorization of 61561640

Prime Factorization 2 × 2 × 2 × 35 × 7 × 7 × 7 × 641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 314090
Product of the distinct prime numbers

The prime factorization of 61561640 is 2 × 2 × 2 × 35 × 7 × 7 × 7 × 641. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 9, 15, 40, 744, 217, 5679, 1468, 90566, 48628, 952692, 616954, 7248555, 3907007, 62588249, 47738200, 861890888, 963696682, 988576012, 3815127552

Basic calculations (n = 61561640)

Multiplication

n×y
n×2 123123280
n×3 184684920
n×4 246246560
n×5 307808200

Division

n÷y
n÷2 30780820
n÷3 20520546.666667
n÷3 15390410
n÷5 12312328

Exponentiation

ny
n2 3789835519489600
n3 2.3330848991003E+23
n4 1.4362853264785E+31
n5 8.8420080205952E+38

Nth Root

y√n
2√n 7846.1226092893
3√n 394.85416824617
4√n 88.578341649013
5√n 36.129507056179

Divisors of 61561640

1, 2, 4, 7, 8, 14, 28, 35, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 641, 686, 980, 1282, 1372, 1715, 1960, 2564, 2744, 3430, 4487, 5128, 6860, 8974, 12005, 13720, 17948, 22435, 24010, 31409, 35896, 44870, 48020, 62818, 89740, 96040, 125636, 157045, 179480, 219863, 251272, 314090, 439726, 628180, 879452, 1099315, 1256360, 1758904, 2198630, 4397260, 7695205, 8794520, 15390410, 30780820, 61561640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61561639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61561640 can be divided by 64 positive divisors. The sum of these divisors (counting 61561640) is 1, the average is 0.015625.

Base conversion 61561640

Base System Value
2 Binary 11101010110101101100101000
3 Ternary 11021211122200202
4 Quaternary 3222311230220
5 Quinary 111224433030
6 Senary 10035251332
8 Octal 352655450
10 Decimal 61561640
12 Duodecimal 18749b48
16 Hexadecimal 3ab5b28
20 Vigesimal j4f420
36 Base36 10nh9k

Cryptographic Hash Functions

md5 e4cfb126b8a8920c367646d6d037f6a5
sha1 4d84a98ecde4fde44259e06627233123f88b8473
sha256 3e20a4157854814c1bfc7b609c42a8078709939c7d41c547e61d1bad2f6dee2f
sha512 c70ac6aa2349084be0bcbec5180a9ad8fe2f76162b46fc5d099f74d642d5f11553bb9dec5b2073f40c1fddac9e324eb7abe50adc3c4cba323a4a6a9777c340fc
ripemd-160 6effe66074227cf461aa8f35548d2c1a60cd0537

61561640 as geometric shapes

Circle

Radius = n
Diameter 123123280
Circumference 386803191.93388
Area 1.1906119426342E+16

Sphere

Radius = n
Volume 9.7728031722865E+23
Surface area 4.7624477705369E+16
Circumference 386803191.93388

Square

Length = n
Perimeter 246246560
Area 3789835519489600
Diagonal 87061306.20993

Cube

Length = n
Surface area 22739013116937600
Volume 2.3330848991003E+23
Space diagonal 106627888.27726

Equilateral Triangle

Length = n
Perimeter 184684920
Area 1.6410469180213E+15
Altitude 53313944.138632

Triangular Pyramid

Length = n
Surface area 1.6410469180213E+15
Volume 2.7495669220629E+22
Height 29020435.40331