61887989 (number)

61887989 is an odd 8-digits composite number following 61887988 and preceding 61887990. In scientific notation, it is written as 6.1887989 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 61400556 positive integers (up to 61887989) that are relatively prime to 61887989.

Interesting facts

Basic properties

Name

Name sixty-one million eight hundred eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 6.1887989 × 10^7
Engineering notation 6.1887989 × 10^6

Prime Factorization of 61887989

Prime Factorization 127 × 487307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61887989
Product of the distinct prime numbers

The prime factorization of 61887989 is 127 × 487307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61887989)

Multiplication

n×y
n×2 123775978
n×3 185663967
n×4 247551956
n×5 309439945

Division

n÷y
n÷2 30943994.5
n÷3 20629329.666667
n÷3 15471997.25
n÷5 12377597.8

Exponentiation

ny
n2 3830123182464121
n3 2.3703862138498E+23
n4 1.4669843592849E+31
n5 9.0788711890596E+38

Nth Root

y√n
2√n 7866.8919529888
3√n 395.55066922534
4√n 88.69550131201
5√n 36.167731852116

Divisors of 61887989

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 -61887988
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 61887989 can be divided by 4 positive divisors. The sum of these divisors (counting 61887989) is 1, the average is 0.25.

Base conversion 61887989

Base System Value
2 Binary 11101100000101010111110101
3 Ternary 11022110020100202
4 Quaternary 3230011113311
5 Quinary 111320403424
6 Senary 10050250245
8 Octal 354052765
10 Decimal 61887989
12 Duodecimal 18886985
16 Hexadecimal 3b055f5
20 Vigesimal j6fjj9
36 Base36 10uh2t

Cryptographic Hash Functions

md5 edbab8653efdd96b524d3d1efa8c971b
sha1 09be673f61b0cd670b661ce5acdaa3014f4e8c43
sha256 79317fb3188b4f3f134cb90e8542fd85218aff2b12906051f09996f7b54a98ce
sha512 8202ce20b2f1b0ac5fd54839cd0f1b5cb8d615b8461b5462f4f9e5a5ece5f27fe78eb3ded13a0b088d0b71bbb6042bbd313b2dc3a92fabfb124980a5cec5640e
ripemd-160 8a7b8147f17bf0e8bc22b49a0e2d6f5d3fb109b9

61887989 as geometric shapes

Circle

Radius = n
Diameter 123775978
Circumference 388853703.17569
Area 1.2032686852373E+16

Sphere

Radius = n
Volume 9.9290505541349E+23
Surface area 4.8130747409493E+16
Circumference 388853703.17569

Square

Length = n
Perimeter 247551956
Area 3830123182464121
Diagonal 87522833.391797

Cube

Length = n
Surface area 22980739094784726
Volume 2.3703862138498E+23
Space diagonal 107193141.32626

Equilateral Triangle

Length = n
Perimeter 185663967
Area 1.6584919878188E+15
Altitude 53596570.663132

Triangular Pyramid

Length = n
Surface area 1.6584919878188E+15
Volume 2.7935269430739E+22
Height 29174277.797266