51988981 is an odd 8-digits composite number following 51988980
and preceding 51988982 . In scientific notation, it is written as 5.1988981 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 47262600 positive integers (up to 51988981) that are relatively prime to 51988981.
51988981 has 4 divisors, whose sum is 52418764
The reverse of 51988981 is 18988915
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
fifty-one million nine hundred eighty-eight thousand nine hundred eighty-one
Scientific notation
5.1988981 × 10^7
Engineering notation
5.1988981 × 10^6
Prime Factorization
121 × 429661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51988981
Product of the distinct prime numbers
The prime factorization of 51988981 is 121 × 429661.
Since it has a total of 2 prime factors.
1 , 7 , 41 , 86 , 532 , 443 , 7695 , 768 , 35348 , 65064 , 430485 , 517502 , 7865732 , 2434979 , 2016065 , 76191858 , 973296259 , 673102359 , 1575497491 , 2719470147
n×2
103977962
n×3
155966943
n×4
207955924
n×5
259944905
n÷2
25994490.5
n÷3
17329660.333333
n÷3
12997245.25
n÷5
10397796.2
n2
2702854145418361
n3
1.4051863281193E+23
n4
7.3054205314052E+30
n5
3.7980136920424E+38
2 √n
7210.3384802657
3 √n
373.22474937026
4 √n
84.913711968478
5 √n
34.928687048948
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
-51988980
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 51988981 can be divided by 4 positive divisors.
The sum of these divisors (counting 51988981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000110010100100111110101
3
Ternary
10121211022110211
4
Quaternary
3012110213311
5
Quinary
101302121411
6
Senary
5054145421
8
Octal
306244765
10
Decimal
51988981
12
Duodecimal
154b2271
16
Hexadecimal
31949f5
20
Vigesimal
g4ic91
36
Base36
uyayd
md5
ab57aa33345b671194d7dabd1e944c91
sha1
d4ca6dad742f2404ad4c5517862d84bc0039165a
sha256
a114e39df5787eea6072499041ceed31b93210c5a801e05ea500997b673dd6d6
sha512
a2ab3672f5bd31c67934f73a735b88fa9a95a1a9ba37c6989319dcc3ba6de25cc3a68a4db6a082cb924b54a28c97ef0889c1a07d388160c87df873b0ae911cef
ripemd-160
89efa7de6b78c2132d39394f6df13e3acf058f4a
Diameter
103977962
Circumference
326656401.55444
Area
8.491266726971E+15
Volume
5.8860307271257E+23
Surface area
3.3965066907884E+16
Circumference
326656401.55444
Perimeter
207955924
Area
2702854145418361
Diagonal
73523522.024157
Surface area
16217124872510166
Volume
1.4051863281193E+23
Space diagonal
90047556.525733
Perimeter
155966943
Area
1.1703701763282E+15
Altitude
45023778.262867
Surface area
1.1703701763282E+15
Volume
1.6560279690729E+22
Height
24507840.674719