31980980 (number)

31980980 is an even 8-digits composite number following 31980979 and preceding 31980981. In scientific notation, it is written as 3.1980980 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 12725888 positive integers (up to 31980980) that are relatively prime to 31980980.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred eighty thousand nine hundred eighty

Notation

Scientific notation 3.1980980 × 10^7
Engineering notation 3.1980980 × 10^6

Prime Factorization of 31980980

Prime Factorization 2 × 2 × 5 × 197 × 8117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15990490
Product of the distinct prime numbers

The prime factorization of 31980980 is 2 × 2 × 5 × 197 × 8117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 52, 23, 764, 189, 4548, 3165, 19872, 4937, 198792, 917400, 1488516, 4319771, 30830323, 35590918, 326095553, 356915262, 4343636212, 3241697370

Basic calculations (n = 31980980)

Multiplication

n×y
n×2 63961960
n×3 95942940
n×4 127923920
n×5 159904900

Division

n÷y
n÷2 15990490
n÷3 10660326.666667
n÷3 7995245
n÷5 6396196

Exponentiation

ny
n2 1022783081760400
n3 3.2709605282118E+22
n4 1.0460852323353E+30
n5 3.3454830893611E+37

Nth Root

y√n
2√n 5655.172853238
3√n 317.41729716062
4√n 75.200883327512
5√n 31.694094869476

Divisors of 31980980

1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 8117, 16234, 32468, 40585, 81170, 162340, 1599049, 3198098, 6396196, 7995245, 15990490, 31980980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31980979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31980980 can be divided by 24 positive divisors. The sum of these divisors (counting 31980980) is 1, the average is 0.041666666666667.

Base conversion 31980980

Base System Value
2 Binary 1111001111111110110110100
3 Ternary 2020011210122202
4 Quaternary 1321333312310
5 Quinary 31141342410
6 Senary 3101244032
8 Octal 171776664
10 Decimal 31980980
12 Duodecimal a863618
16 Hexadecimal 1e7fdb4
20 Vigesimal 9jhc90
36 Base36 j1gok

Cryptographic Hash Functions

md5 1d90c44e40fed4df453c73c766e0843d
sha1 a3d7cad1acc8a813b05c44da81908c49be5f19ba
sha256 bb876eb23419af36a7ba524c1de48d2da1a722e441811df5657412c00a7044b7
sha512 78f7a27c69046403cb94b91a5e29514c362c3825f23f7509d74fd7de03f5df3477abc1b059298423344d59e0da14451039e66f2c32835dfe7b3484adfc9bc24d
ripemd-160 6ca2f84d9940c2496a962dad917326d15fc0ca90

31980980 as geometric shapes

Circle

Radius = n
Diameter 63961960
Circumference 200942423.6452
Area 3.2131678158744E+15

Sphere

Radius = n
Volume 1.3701367420816E+23
Surface area 1.2852671263498E+16
Circumference 200942423.6452

Square

Length = n
Perimeter 127923920
Area 1022783081760400
Diagonal 45227935.653983

Cube

Length = n
Surface area 6136698490562400
Volume 3.2709605282118E+22
Space diagonal 55392682.235844

Equilateral Triangle

Length = n
Perimeter 95942940
Area 4.4287806568272E+14
Altitude 27696341.117922

Triangular Pyramid

Length = n
Surface area 4.4287806568272E+14
Volume 3.8548639508201E+21
Height 15075978.551328