51991749 (number)

51991749 is an odd 8-digits composite number following 51991748 and preceding 51991750. In scientific notation, it is written as 5.1991749 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 34661160 positive integers (up to 51991749) that are relatively prime to 51991749.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 5.1991749 × 10^7
Engineering notation 5.1991749 × 10^6

Prime Factorization of 51991749

Prime Factorization 9 × 5776861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51991749
Product of the distinct prime numbers

The prime factorization of 51991749 is 9 × 5776861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51991749)

Multiplication

n×y
n×2 103983498
n×3 155975247
n×4 207966996
n×5 259958745

Division

n÷y
n÷2 25995874.5
n÷3 17330583
n÷3 12997937.25
n÷5 10398349.8

Exponentiation

ny
n2 2703141964079001
n3 1.4054107850776E+23
n4 7.3069764779649E+30
n5 3.7990248699125E+38

Nth Root

y√n
2√n 7210.5304243169
3√n 373.23137300315
4√n 84.914842190968
5√n 34.929058976017

Divisors of 51991749

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 -51991748
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 51991749 can be divided by 4 positive divisors. The sum of these divisors (counting 51991749) is 1, the average is 0.25.

Base conversion 51991749

Base System Value
2 Binary 11000110010101010011000101
3 Ternary 10121211110021100
4 Quaternary 3012111103011
5 Quinary 101302213444
6 Senary 5054210313
8 Octal 306252305
10 Decimal 51991749
12 Duodecimal 154b3999
16 Hexadecimal 31954c5
20 Vigesimal g4ij79
36 Base36 uyd39

Cryptographic Hash Functions

md5 24aabc649610cb0762b45c7bfd9ca33f
sha1 5e3dd95dc6132b6bb390c272bee040137c9ccda8
sha256 a72664ef6f4e149392f57992273ba3a7c6d575ea71f47557d4ed0e11f2557493
sha512 e2b0fb72610154105e58c5f8d2a012bbd360d5b085561c067c5e8aee21147fc02bb9bbde674dc5c2d2f132e84e906fc614acfd28251cdc92a73b1d47a754d698
ripemd-160 ffb68b356221840933965eb387b72436baa516fb

51991749 as geometric shapes

Circle

Radius = n
Diameter 103983498
Circumference 326673793.41137
Area 8.4921709359609E+15

Sphere

Radius = n
Volume 5.8869709302343E+23
Surface area 3.3968683743843E+16
Circumference 326673793.41137

Square

Length = n
Perimeter 207966996
Area 2703141964079001
Diagonal 73527436.567298

Cube

Length = n
Surface area 16218851784474006
Volume 1.4054107850776E+23
Space diagonal 90052350.842368

Equilateral Triangle

Length = n
Perimeter 155975247
Area 1.1704948054641E+15
Altitude 45026175.421184

Triangular Pyramid

Length = n
Surface area 1.1704948054641E+15
Volume 1.6562924941352E+22
Height 24509145.522433