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.
51991749 has 4 divisors, whose sum is 57768620
The reverse of 51991749 is 94719915
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifty-one million nine hundred ninety-one thousand seven hundred forty-nine
Scientific notation
5.1991749 × 10^7
Engineering notation
5.1991749 × 10^6
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.
8 , 4 , 16 , 55 , 125 , 23 , 6754 , 7975 , 30064 , 57767 , 275228 , 255585 , 5647158 , 7437273 , 12380062 , 29607707 , 22683151 , 995833496 , 1874920745 , 4284564662
n×2
103983498
n×3
155975247
n×4
207966996
n×5
259958745
n÷2
25995874.5
n÷3
17330583
n÷3
12997937.25
n÷5
10398349.8
n2
2703141964079001
n3
1.4054107850776E+23
n4
7.3069764779649E+30
n5
3.7990248699125E+38
2 √n
7210.5304243169
3 √n
373.23137300315
4 √n
84.914842190968
5 √n
34.929058976017
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
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
md5
24aabc649610cb0762b45c7bfd9ca33f
sha1
5e3dd95dc6132b6bb390c272bee040137c9ccda8
sha256
a72664ef6f4e149392f57992273ba3a7c6d575ea71f47557d4ed0e11f2557493
sha512
e2b0fb72610154105e58c5f8d2a012bbd360d5b085561c067c5e8aee21147fc02bb9bbde674dc5c2d2f132e84e906fc614acfd28251cdc92a73b1d47a754d698
ripemd-160
ffb68b356221840933965eb387b72436baa516fb
Diameter
103983498
Circumference
326673793.41137
Area
8.4921709359609E+15
Volume
5.8869709302343E+23
Surface area
3.3968683743843E+16
Circumference
326673793.41137
Perimeter
207966996
Area
2703141964079001
Diagonal
73527436.567298
Surface area
16218851784474006
Volume
1.4054107850776E+23
Space diagonal
90052350.842368
Perimeter
155975247
Area
1.1704948054641E+15
Altitude
45026175.421184
Surface area
1.1704948054641E+15
Volume
1.6562924941352E+22
Height
24509145.522433