61991489 (number)

61991489 is an odd 8-digits composite number following 61991488 and preceding 61991490. In scientific notation, it is written as 6.1991489 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 53135556 positive integers (up to 61991489) that are relatively prime to 61991489.

Interesting facts

Basic properties

Name

Name sixty-one million nine hundred ninety-one thousand four hundred eighty-nine

Notation

Scientific notation 6.1991489 × 10^7
Engineering notation 6.1991489 × 10^6

Prime Factorization of 61991489

Prime Factorization 7 × 8855927

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61991489
Product of the distinct prime numbers

The prime factorization of 61991489 is 7 × 8855927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61991489)

Multiplication

n×y
n×2 123982978
n×3 185974467
n×4 247965956
n×5 309957445

Division

n÷y
n÷2 30995744.5
n÷3 20663829.666667
n÷3 15497872.25
n÷5 12398297.8

Exponentiation

ny
n2 3842944708437121
n3 2.3822986462069E+23
n4 1.4768224032105E+31
n5 9.1550419763576E+38

Nth Root

y√n
2√n 7873.4674064227
3√n 395.77104959331
4√n 88.732561139768
5√n 36.179820978598

Divisors of 61991489

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 -61991488
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 61991489 can be divided by 4 positive divisors. The sum of these divisors (counting 61991489) is 1, the average is 0.25.

Base conversion 61991489

Base System Value
2 Binary 11101100011110101001000001
3 Ternary 11022122111100002
4 Quaternary 3230132221001
5 Quinary 111332211424
6 Senary 10052405345
8 Octal 354365101
10 Decimal 61991489
12 Duodecimal 18916855
16 Hexadecimal 3b1ea41
20 Vigesimal j78ie9
36 Base36 10woxt

Cryptographic Hash Functions

md5 e91b848aeeee0f1346882a55c15122bd
sha1 10ab64d44fbf16412e7cb3ee381b60dd29a12b7b
sha256 f2f31010b0a88e175fa3e6896b0494274a891aeacb929e607c927cae9bbe21ad
sha512 16a2a7a1058bd6fede683905fb2ba252575973a1aafc01faea700fccc14e0ae486e05c009a1fd4c5f17a412e015f877f0ef3fa255ef7c3c22689f9adeebd162a
ripemd-160 04659ea2c3349a8d04aec939ac5e82ab400b52ef

61991489 as geometric shapes

Circle

Radius = n
Diameter 123982978
Circumference 389504012.85498
Area 1.2072966864178E+16

Sphere

Radius = n
Volume 9.9789492341073E+23
Surface area 4.8291867456711E+16
Circumference 389504012.85498

Square

Length = n
Perimeter 247965956
Area 3842944708437121
Diagonal 87669204.495503

Cube

Length = n
Surface area 23057668250622726
Volume 2.3822986462069E+23
Space diagonal 107372408.58485

Equilateral Triangle

Length = n
Perimeter 185974467
Area 1.6640438714228E+15
Altitude 53686204.292424

Triangular Pyramid

Length = n
Surface area 1.6640438714228E+15
Volume 2.8075658792407E+22
Height 29223068.165168