61561520 (number)

61561520 is an even 8-digits composite number following 61561519 and preceding 61561521. In scientific notation, it is written as 6.1561520 × 10^7. The sum of its digits is 26. It has a total of 8 prime factors and 80 positive divisors. There are 23040000 positive integers (up to 61561520) that are relatively prime to 61561520.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred sixty-one thousand five hundred twenty

Notation

Scientific notation 6.1561520 × 10^7
Engineering notation 6.1561520 × 10^6

Prime Factorization of 61561520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 19 × 101 × 401

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 7695190
Product of the distinct prime numbers

The prime factorization of 61561520 is 2 × 2 × 2 × 2 × 5 × 19 × 101 × 401. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 10, 3, 95, 821, 261, 6911, 4251, 83609, 82726, 171295, 803686, 6481562, 2236274, 8749749, 76213619, 75608119, 577132286, 5005583679, 350716241

Basic calculations (n = 61561520)

Multiplication

n×y
n×2 123123040
n×3 184684560
n×4 246246080
n×5 307807600

Division

n÷y
n÷2 30780760
n÷3 20520506.666667
n÷3 15390380
n÷5 12312304

Exponentiation

ny
n2 3789820744710400
n3 2.333071255719E+23
n4 1.4362741277037E+31
n5 8.8419218438116E+38

Nth Root

y√n
2√n 7846.1149621963
3√n 394.85391168742
4√n 88.578298483298
5√n 36.129492970966

Divisors of 61561520

1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 401, 404, 505, 760, 802, 808, 1010, 1520, 1604, 1616, 1919, 2005, 2020, 3208, 3838, 4010, 4040, 6416, 7619, 7676, 8020, 8080, 9595, 15238, 15352, 16040, 19190, 30476, 30704, 32080, 38095, 38380, 40501, 60952, 76190, 76760, 81002, 121904, 152380, 153520, 162004, 202505, 304760, 324008, 405010, 609520, 648016, 769519, 810020, 1539038, 1620040, 3078076, 3240080, 3847595, 6156152, 7695190, 12312304, 15390380, 30780760, 61561520

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 -61561519
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 61561520 can be divided by 80 positive divisors. The sum of these divisors (counting 61561520) is 1, the average is 0.0125.

Base conversion 61561520

Base System Value
2 Binary 11101010110101101010110000
3 Ternary 11021211122112022
4 Quaternary 3222311222300
5 Quinary 111224432040
6 Senary 10035251012
8 Octal 352655260
10 Decimal 61561520
12 Duodecimal 18749a68
16 Hexadecimal 3ab5ab0
20 Vigesimal j4f3g0
36 Base36 10nh68

Cryptographic Hash Functions

md5 704d32ca65a86af335668898f0e1de25
sha1 563e3fd92ecd3b790b7e4f3389b9d1762cde3029
sha256 936aa65a9ca5a34d3f1fe30cac1d826a80f0d846d22c421fd1831afd8685ee76
sha512 9761170786a7d21d099ad7c01aa507f1b695ce6d4fb0ba34e6d4f4e916b8604beea988443c9bc77321d822ae24d5a6cf07dfb90e2c9c7c191e03c5a549c9c94a
ripemd-160 f4611e82fc3c516e9914932da44f310b7e6559a3

61561520 as geometric shapes

Circle

Radius = n
Diameter 123123040
Circumference 386802437.95164
Area 1.1906073010004E+16

Sphere

Radius = n
Volume 9.7727460230246E+23
Surface area 4.7624292040018E+16
Circumference 386802437.95164

Square

Length = n
Perimeter 246246080
Area 3789820744710400
Diagonal 87061136.504303

Cube

Length = n
Surface area 22738924468262400
Volume 2.333071255719E+23
Space diagonal 106627680.43117

Equilateral Triangle

Length = n
Perimeter 184684560
Area 1.6410405203542E+15
Altitude 53313840.215584

Triangular Pyramid

Length = n
Surface area 1.6410405203542E+15
Volume 2.7495508431839E+22
Height 29020378.834768