31191890 (number)

31191890 is an even 8-digits composite number following 31191889 and preceding 31191891. In scientific notation, it is written as 3.1191890 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 11995200 positive integers (up to 31191890) that are relatively prime to 31191890.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred ninety-one thousand eight hundred ninety

Notation

Scientific notation 3.1191890 × 10^7
Engineering notation 3.1191890 × 10^6

Prime Factorization of 31191890

Prime Factorization 2 × 5 × 31 × 239 × 421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31191890
Product of the distinct prime numbers

The prime factorization of 31191890 is 2 × 5 × 31 × 239 × 421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 75, 40, 718, 27, 4856, 4002, 61736, 82562, 344094, 500014, 5136540, 2617944, 15716172, 3940962, 184993763, 120697393, 4126751966, 442326597

Basic calculations (n = 31191890)

Multiplication

n×y
n×2 62383780
n×3 93575670
n×4 124767560
n×5 155959450

Division

n÷y
n÷2 15595945
n÷3 10397296.666667
n÷3 7797972.5
n÷5 6238378

Exponentiation

ny
n2 972934001772100
n3 3.0347650360535E+22
n4 9.4660057180427E+29
n5 2.9526260909656E+37

Nth Root

y√n
2√n 5584.970008872
3√n 314.78490396672
4√n 74.732656910296
5√n 31.536125709314

Divisors of 31191890

1, 2, 5, 10, 31, 62, 155, 239, 310, 421, 478, 842, 1195, 2105, 2390, 4210, 7409, 13051, 14818, 26102, 37045, 65255, 74090, 100619, 130510, 201238, 503095, 1006190, 3119189, 6238378, 15595945, 31191890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31191889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31191890 can be divided by 32 positive divisors. The sum of these divisors (counting 31191890) is 1, the average is 0.03125.

Base conversion 31191890

Base System Value
2 Binary 1110110111111001101010010
3 Ternary 2011200201020012
4 Quaternary 1312333031102
5 Quinary 30441120030
6 Senary 3032314522
8 Octal 166771522
10 Decimal 31191890
12 Duodecimal a542a42
16 Hexadecimal 1dbf352
20 Vigesimal 9eijea
36 Base36 ikjte

Cryptographic Hash Functions

md5 70852c4b37f5aab79286a5b695b0be74
sha1 756c331112bbf61448b8440054c126abae976743
sha256 6e7230faec14426dc525134a66c85e27c5bb55ddace4e44daac7c79b29d11735
sha512 de462a37670444f3dac86623fa1c5324823f4ea956984c6a2474d11343fb7b8f581c9dfe1932c9ccece3fd4ae40ace831d6b5454a979969a2a642f4ff33fab71
ripemd-160 654a8652addcb38a9a5f85504c732ed02a2cec74

31191890 as geometric shapes

Circle

Radius = n
Diameter 62383780
Circumference 195984424.95116
Area 3.0565623123949E+15

Sphere

Radius = n
Volume 1.2711994056849E+23
Surface area 1.222624924958E+16
Circumference 195984424.95116

Square

Length = n
Perimeter 124767560
Area 972934001772100
Diagonal 44111993.87405

Cube

Length = n
Surface area 5837604010632600
Volume 3.0347650360535E+22
Space diagonal 54025938.2641

Equilateral Triangle

Length = n
Perimeter 93575670
Area 4.2129278087015E+14
Altitude 27012969.13205

Triangular Pyramid

Length = n
Surface area 4.2129278087015E+14
Volume 3.5765048938355E+21
Height 14703997.958017