51981491 (number)

51981491 is an odd 8-digits prime number following 51981490 and preceding 51981492. In scientific notation, it is written as 5.1981491 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 51981490 positive integers (up to 51981491) that are relatively prime to 51981491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 5.1981491 × 10^7
Engineering notation 5.1981491 × 10^6

Prime Factorization of 51981491

Prime Factorization 51981491

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 51981491
Product of the distinct prime numbers

The prime factorization of 51981491 is 51981491. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51981491)

Multiplication

n×y
n×2 103962982
n×3 155944473
n×4 207925964
n×5 259907455

Division

n÷y
n÷2 25990745.5
n÷3 17327163.666667
n÷3 12995372.75
n÷5 10396298.2

Exponentiation

ny
n2 2702075406583081
n3 1.4045790842862E+23
n4 7.3012115028611E+30
n5 3.7952786002507E+38

Nth Root

y√n
2√n 7209.8190684649
3√n 373.20682513853
4√n 84.910653445047
5√n 34.927680562809

Divisors of 51981491

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 51981492
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 25990746
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 7209.8191378148
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999615248
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51981491 can be divided by 2 positive divisors. The sum of these divisors (counting 51981491) is 51981492, the average is 25990746.

Base conversion 51981491

Base System Value
2 Binary 11000110010010110010110011
3 Ternary 10121210221012102
4 Quaternary 3012102302303
5 Quinary 101301401431
6 Senary 5054051015
8 Octal 306226263
10 Decimal 51981491
12 Duodecimal 154a9a6b
16 Hexadecimal 3192cb3
20 Vigesimal g4hdeb
36 Base36 uy56b

Cryptographic Hash Functions

md5 09a2e73684566101c817eac792c2a2e8
sha1 e0f4430ef75f7ea3b0452902879b46b1ddf7efe4
sha256 6078c5f5ee8c4383fbe0ea994586eb42b4cd107f9fce03a28d7d1ea9faca9cff
sha512 0701306e6aebd73153f9dd8e5e42eb4ec8865c1fe4ce3cafbee458a161dfec63f537ac0f8ee518005cb8bad15d95d92fdc6254374756c790602e83131b0610a0
ripemd-160 91614c51f22c85472fcf9c68715587a442f7b2e3

51981491 as geometric shapes

Circle

Radius = n
Diameter 103962982
Circumference 326609340.49649
Area 8.4888202467671E+15

Sphere

Radius = n
Volume 5.8834871101059E+23
Surface area 3.3955280987068E+16
Circumference 326609340.49649

Square

Length = n
Perimeter 207925964
Area 2702075406583081
Diagonal 73512929.564575

Cube

Length = n
Surface area 16212452439498486
Volume 1.4045790842862E+23
Space diagonal 90034583.465184

Equilateral Triangle

Length = n
Perimeter 155944473
Area 1.1700329725211E+15
Altitude 45017291.732592

Triangular Pyramid

Length = n
Surface area 1.1700329725211E+15
Volume 1.6553123253526E+22
Height 24504309.854858