61887988 (number)

61887988 is an even 8-digits composite number following 61887987 and preceding 61887989. In scientific notation, it is written as 6.1887988 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 30796920 positive integers (up to 61887988) that are relatively prime to 61887988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1887988 × 10^7
Engineering notation 6.1887988 × 10^6

Prime Factorization of 61887988

Prime Factorization 2 × 2 × 211 × 73327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30943994
Product of the distinct prime numbers

The prime factorization of 61887988 is 2 × 2 × 211 × 73327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 69, 40, 137, 697, 9019, 8903, 38996, 69574, 23671, 271295, 5160332, 1169701, 34568969, 59135330, 318461490, 483431370, 9917934744, 4209423269

Basic calculations (n = 61887988)

Multiplication

n×y
n×2 123775976
n×3 185663964
n×4 247551952
n×5 309439940

Division

n÷y
n÷2 30943994
n÷3 20629329.333333
n÷3 15471997
n÷5 12377597.6

Exponentiation

ny
n2 3830123058688144
n3 2.3703860989462E+23
n4 1.4669842644695E+31
n5 9.0788704555675E+38

Nth Root

y√n
2√n 7866.8918894313
3√n 395.55066709487
4√n 88.69550095372
5√n 36.167731735234

Divisors of 61887988

1, 2, 4, 211, 422, 844, 73327, 146654, 293308, 15471997, 30943994, 61887988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61887987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61887988 can be divided by 12 positive divisors. The sum of these divisors (counting 61887988) is 1, the average is 0.083333333333333.

Base conversion 61887988

Base System Value
2 Binary 11101100000101010111110100
3 Ternary 11022110020100201
4 Quaternary 3230011113310
5 Quinary 111320403423
6 Senary 10050250244
8 Octal 354052764
10 Decimal 61887988
12 Duodecimal 18886984
16 Hexadecimal 3b055f4
20 Vigesimal j6fjj8
36 Base36 10uh2s

Cryptographic Hash Functions

md5 bb1abf8a106e7175557d2b51233d6cb0
sha1 e82e971496afb5d084b97690fc91f01a36528313
sha256 aa74e19ae4870a5368fa398eb2af3fe906c6962bea193607b5054375ea015fe3
sha512 db9e0e49bc13e58e82dde0c71f3a16d41e47a2a6f626bee03e4af5f695f744d28c6a7cf9ddc09e92d2b588739cb8e6913f2269105695ce57aad76bdbcaca0f84
ripemd-160 533b13591f6c3aaa5a9018af56a360ac9becf97d

61887988 as geometric shapes

Circle

Radius = n
Diameter 123775976
Circumference 388853696.89251
Area 1.203268646352E+16

Sphere

Radius = n
Volume 9.9290500728275E+23
Surface area 4.8130745854078E+16
Circumference 388853696.89251

Square

Length = n
Perimeter 247551952
Area 3830123058688144
Diagonal 87522831.977583

Cube

Length = n
Surface area 22980738352128864
Volume 2.3703860989462E+23
Space diagonal 107193139.59421

Equilateral Triangle

Length = n
Perimeter 185663964
Area 1.6584919342222E+15
Altitude 53596569.797106

Triangular Pyramid

Length = n
Surface area 1.6584919342222E+15
Volume 2.7935268076586E+22
Height 29174277.325861