51981870 (number)

51981870 is an even 8-digits composite number following 51981869 and preceding 51981871. In scientific notation, it is written as 5.1981870 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 13599872 positive integers (up to 51981870) that are relatively prime to 51981870.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred eighty-one thousand eight hundred seventy

Notation

Scientific notation 5.1981870 × 10^7
Engineering notation 5.1981870 × 10^6

Prime Factorization of 51981870

Prime Factorization 2 × 5 × 3 × 53 × 32693

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 51981870
Product of the distinct prime numbers

The prime factorization of 51981870 is 2 × 5 × 3 × 53 × 32693. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51981870)

Multiplication

n×y
n×2 103963740
n×3 155945610
n×4 207927480
n×5 259909350

Division

n÷y
n÷2 25990935
n÷3 17327290
n÷3 12995467.5
n÷5 10396374

Exponentiation

ny
n2 2702114808696900
n3 1.4046098071076E+23
n4 7.3014244393791E+30
n5 3.7954169602263E+38

Nth Root

y√n
2√n 7209.8453520169
3√n 373.20773216037
4√n 84.910808216722
5√n 34.927731494601

Divisors of 51981870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51981869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51981870 can be divided by 32 positive divisors. The sum of these divisors (counting 51981870) is 1, the average is 0.03125.

Base conversion 51981870

Base System Value
2 Binary 11000110010010111000101110
3 Ternary 10121210221201110
4 Quaternary 3012102320232
5 Quinary 101301404440
6 Senary 5054052450
8 Octal 306227056
10 Decimal 51981870
12 Duodecimal 154aa126
16 Hexadecimal 3192e2e
20 Vigesimal g4heda
36 Base36 uy5gu

Cryptographic Hash Functions

md5 cb5d07f79c7e76392beef69a78ce975f
sha1 c405941e06d0bbd6d6ea5193c6a7f7d4e14e2181
sha256 b5362e722c3adf81eb7ae84dad7f44ac6d8830d742df26e2f1642f36fc6b9061
sha512 e8a863de39e26411520ccaa3b6c5e844f225f811258e8c1e45b8ccc380a22c4cc6e5e4230e846326b03fe58f1146942957ae31acf2400d575988e798102c58c2
ripemd-160 98f30b648ea5ad3e6daa9aefc291a31d6a434e25

51981870 as geometric shapes

Circle

Radius = n
Diameter 103963740
Circumference 326611721.82372
Area 8.4889440321584E+15

Sphere

Radius = n
Volume 5.8836158015591E+23
Surface area 3.3955776128633E+16
Circumference 326611721.82372

Square

Length = n
Perimeter 207927480
Area 2702114808696900
Diagonal 73513465.551515

Cube

Length = n
Surface area 16212688852181400
Volume 1.4046098071076E+23
Space diagonal 90035239.91244

Equilateral Triangle

Length = n
Perimeter 155945610
Area 1.1700500341368E+15
Altitude 45017619.95622

Triangular Pyramid

Length = n
Surface area 1.1700500341368E+15
Volume 1.6553485325448E+22
Height 24504488.517172