51688891 is an odd 8-digits composite number following 51688890
and preceding 51688892 . In scientific notation, it is written as 5.1688891 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 47980800 positive integers (up to 51688891) that are relatively prime to 51688891.
51688891 has 8 divisors, whose sum is 55480464
The reverse of 51688891 is 19888615
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
fifty-one million six hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
5.1688891 × 10^7
Engineering notation
5.1688891 × 10^6
Prime Factorization
17 × 73 × 41651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51688891
Product of the distinct prime numbers
The prime factorization of 51688891 is 17 × 73 × 41651.
Since it has a total of 3 prime factors.
7 , 10 , 59 , 2 , 572 , 762 , 189 , 7557 , 19991 , 51859 , 586273 , 223262 , 5540247 , 7031258 , 28618417 , 14292183 , 378851015 , 628609275 , 7728799115 , 7684976450
n×2
103377782
n×3
155066673
n×4
206755564
n×5
258444455
n÷2
25844445.5
n÷3
17229630.333333
n÷3
12922222.75
n÷5
10337778.2
n2
2671741452809881
n3
1.3809935273447E+23
n4
7.1382023906627E+30
n5
3.689657653069E+38
2 √n
7189.498661242
3 √n
372.50525584524
4 √n
84.79091143066
5 √n
34.888270658057
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51688890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51688891 can be divided by 8 positive divisors.
The sum of these divisors (counting 51688891) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000101001011010110111011
3
Ternary
10121021001211101
4
Quaternary
3011023112323
5
Quinary
101213021031
6
Senary
5043512231
8
Octal
305132673
10
Decimal
51688891
12
Duodecimal
15388677
16
Hexadecimal
314b5bb
20
Vigesimal
g3124b
36
Base36
urvej
md5
8df336355856c54fc105dc93dfb95a87
sha1
31e74bf25586c358f7501a1be3d7053a9ac441e7
sha256
53bb46ba4a7e6f17f29a432ed8da1524c6f01e0381bcc8e7a41df6a0952d2ebc
sha512
653ffa7905bee6bb2ae4ad16815482442978ea72e9cd48d3944cf3f5f280b8a28bee3f951e42e1855549c0facb2523fcc511b7018e16897758cdde81cde8b731
ripemd-160
2ad48579af919e99fb71dfd0f2da76ac16566453
Diameter
103377782
Circumference
324770880.47561
Area
8.3935233204388E+15
Volume
5.784692160215E+23
Surface area
3.3574093281755E+16
Circumference
324770880.47561
Perimeter
206755564
Area
2671741452809881
Diagonal
73099130.676225
Surface area
16030448716859286
Volume
1.3809935273447E+23
Space diagonal
89527785.39889
Perimeter
155066673
Area
1.1568979852386E+15
Altitude
44763892.699445
Surface area
1.1568979852386E+15
Volume
1.6275164799336E+22
Height
24366376.892075