61391885 (number)

61391885 is an odd 8-digits composite number following 61391884 and preceding 61391886. In scientific notation, it is written as 6.1391885 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 49113504 positive integers (up to 61391885) that are relatively prime to 61391885.

Interesting facts

Basic properties

Name

Name sixty-one million three hundred ninety-one thousand eight hundred eighty-five

Notation

Scientific notation 6.1391885 × 10^7
Engineering notation 6.1391885 × 10^6

Prime Factorization of 61391885

Prime Factorization 5 × 12278377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61391885
Product of the distinct prime numbers

The prime factorization of 61391885 is 5 × 12278377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 40, 40, 103, 817, 7468, 3229, 2997, 70111, 529852, 619520, 9195238, 8022885, 6309345, 16239972, 554612903, 144344834, 7609900155, 428802199

Basic calculations (n = 61391885)

Multiplication

n×y
n×2 122783770
n×3 184175655
n×4 245567540
n×5 306959425

Division

n÷y
n÷2 30695942.5
n÷3 20463961.666667
n÷3 15347971.25
n÷5 12278377

Exponentiation

ny
n2 3768963543853225
n3 2.3138377645343E+23
n4 1.4205086194895E+31
n5 8.7207701809206E+38

Nth Root

y√n
2√n 7835.2973778919
3√n 394.4908999632
4√n 88.51721514989
5√n 36.10955976265

Divisors of 61391885

1, 5, 12278377, 61391885

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61391884
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61391885 can be divided by 4 positive divisors. The sum of these divisors (counting 61391885) is 1, the average is 0.25.

Base conversion 61391885

Base System Value
2 Binary 11101010001100010000001101
3 Ternary 11021112000211112
4 Quaternary 3222030100031
5 Quinary 111204020020
6 Senary 10031501405
8 Octal 352142015
10 Decimal 61391885
12 Duodecimal 18687865
16 Hexadecimal 3a8c40d
20 Vigesimal j3dje5
36 Base36 10jua5

Cryptographic Hash Functions

md5 0139a88d03a2faad879156f4ebea94c3
sha1 baf211e86a8f6224430388251b548cb074bf0a89
sha256 4be070be92ef1b8d66b3be9181cdd7434d6ce1e3182d88cc5b049027b32139e8
sha512 f2c36f8ba684067c3d089002f3a418887307e689b5c1c2313473563c19b1ae8387ce99b5e074e14326d0e8c72a2e8b11bf7cf13516a57bd934f40aaef05994af
ripemd-160 eebe5a9b652d3c374b2a592e26e1e5cad5a8fa4c

61391885 as geometric shapes

Circle

Radius = n
Diameter 122783770
Circumference 385736589.81206
Area 1.1840548181017E+16

Sphere

Radius = n
Volume 9.6921809635461E+23
Surface area 4.7362192724068E+16
Circumference 385736589.81206

Square

Length = n
Perimeter 245567540
Area 3768963543853225
Diagonal 86821236.386649

Cube

Length = n
Surface area 22613781263119350
Volume 2.3138377645343E+23
Space diagonal 106333863.99243

Equilateral Triangle

Length = n
Perimeter 184175655
Area 1.6320090874572E+15
Altitude 53166931.996213

Triangular Pyramid

Length = n
Surface area 1.6320090874572E+15
Volume 2.7268839564462E+22
Height 28940412.128883