51988981 (number)

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.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred eighty-eight thousand nine hundred eighty-one

Notation

Scientific notation 5.1988981 × 10^7
Engineering notation 5.1988981 × 10^6

Prime Factorization of 51988981

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.

Most popular turbo-numbers

Basic calculations (n = 51988981)

Multiplication

n×y
n×2 103977962
n×3 155966943
n×4 207955924
n×5 259944905

Division

n÷y
n÷2 25994490.5
n÷3 17329660.333333
n÷3 12997245.25
n÷5 10397796.2

Exponentiation

ny
n2 2702854145418361
n3 1.4051863281193E+23
n4 7.3054205314052E+30
n5 3.7980136920424E+38

Nth Root

y√n
2√n 7210.3384802657
3√n 373.22474937026
4√n 84.913711968478
5√n 34.928687048948

Divisors of 51988981

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 conversion 51988981

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

Cryptographic Hash Functions

md5 ab57aa33345b671194d7dabd1e944c91
sha1 d4ca6dad742f2404ad4c5517862d84bc0039165a
sha256 a114e39df5787eea6072499041ceed31b93210c5a801e05ea500997b673dd6d6
sha512 a2ab3672f5bd31c67934f73a735b88fa9a95a1a9ba37c6989319dcc3ba6de25cc3a68a4db6a082cb924b54a28c97ef0889c1a07d388160c87df873b0ae911cef
ripemd-160 89efa7de6b78c2132d39394f6df13e3acf058f4a

51988981 as geometric shapes

Circle

Radius = n
Diameter 103977962
Circumference 326656401.55444
Area 8.491266726971E+15

Sphere

Radius = n
Volume 5.8860307271257E+23
Surface area 3.3965066907884E+16
Circumference 326656401.55444

Square

Length = n
Perimeter 207955924
Area 2702854145418361
Diagonal 73523522.024157

Cube

Length = n
Surface area 16217124872510166
Volume 1.4051863281193E+23
Space diagonal 90047556.525733

Equilateral Triangle

Length = n
Perimeter 155966943
Area 1.1703701763282E+15
Altitude 45023778.262867

Triangular Pyramid

Length = n
Surface area 1.1703701763282E+15
Volume 1.6560279690729E+22
Height 24507840.674719