31191980 (number)

31191980 is an even 8-digits composite number following 31191979 and preceding 31191981. In scientific notation, it is written as 3.1191980 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 12172160 positive integers (up to 31191980) that are relatively prime to 31191980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1191980 × 10^7
Engineering notation 3.1191980 × 10^6

Prime Factorization of 31191980

Prime Factorization 2 × 2 × 5 × 41 × 38039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15595990
Product of the distinct prime numbers

The prime factorization of 31191980 is 2 × 2 × 5 × 41 × 38039. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 32, 1, 470, 62, 1163, 6481, 82975, 68938, 215235, 307091, 4966478, 3523731, 79822613, 55270642, 660985012, 793045358, 7012537431, 8358375906

Basic calculations (n = 31191980)

Multiplication

n×y
n×2 62383960
n×3 93575940
n×4 124767920
n×5 155959900

Division

n÷y
n÷2 15595990
n÷3 10397326.666667
n÷3 7797995
n÷5 6238396

Exponentiation

ny
n2 972939616320400
n3 3.0347913053474E+22
n4 9.4661149700569E+29
n5 2.9526686882371E+37

Nth Root

y√n
2√n 5584.9780662058
3√n 314.78520672292
4√n 74.732710817993
5√n 31.536143907942

Divisors of 31191980

1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38039, 76078, 152156, 190195, 380390, 760780, 1559599, 3119198, 6238396, 7797995, 15595990, 31191980

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 -31191979
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 31191980 can be divided by 24 positive divisors. The sum of these divisors (counting 31191980) is 1, the average is 0.041666666666667.

Base conversion 31191980

Base System Value
2 Binary 1110110111111001110101100
3 Ternary 2011200201100112
4 Quaternary 1312333032230
5 Quinary 30441120410
6 Senary 3032315152
8 Octal 166771654
10 Decimal 31191980
12 Duodecimal a542ab8
16 Hexadecimal 1dbf3ac
20 Vigesimal 9eijj0
36 Base36 ikjvw

Cryptographic Hash Functions

md5 69e97e9db5647d4403bc6385a1d0de5f
sha1 7d1125d968f292ef7c5bad2a0065f694cb64439d
sha256 c6d339a040079db69a88bd182ca4d2f3768e7030b92ff8f2af43db73681f7cc0
sha512 278410a0f736a54a7f44f9f48cbe8940f06036f72753dbd8a1c48138fad0d0f5377fdf3d418fb3c316b6b9630755e81b1a579701aff581aebda31a06e14e0276
ripemd-160 d0f215181362f5f6c464839c69806832650cc51c

31191980 as geometric shapes

Circle

Radius = n
Diameter 62383960
Circumference 195984990.43784
Area 3.0565799510186E+15

Sphere

Radius = n
Volume 1.271210409341E+23
Surface area 1.2226319804075E+16
Circumference 195984990.43784

Square

Length = n
Perimeter 124767920
Area 972939616320400
Diagonal 44112121.15327

Cube

Length = n
Surface area 5837637697922400
Volume 3.0347913053474E+22
Space diagonal 54026094.148672

Equilateral Triangle

Length = n
Perimeter 93575940
Area 4.2129521204088E+14
Altitude 27013047.074336

Triangular Pyramid

Length = n
Surface area 4.2129521204088E+14
Volume 3.5765358524952E+21
Height 14704040.384423