31492978 (number)

31492978 is an even 8-digits composite number following 31492977 and preceding 31492979. In scientific notation, it is written as 3.1492978 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 14283360 positive integers (up to 31492978) that are relatively prime to 31492978.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety-two thousand nine hundred seventy-eight

Notation

Scientific notation 3.1492978 × 10^7
Engineering notation 3.1492978 × 10^6

Prime Factorization of 31492978

Prime Factorization 2 × 11 × 547 × 2617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31492978
Product of the distinct prime numbers

The prime factorization of 31492978 is 2 × 11 × 547 × 2617. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31492978)

Multiplication

n×y
n×2 62985956
n×3 94478934
n×4 125971912
n×5 157464890

Division

n÷y
n÷2 15746489
n÷3 10497659.333333
n÷3 7873244.5
n÷5 6298595.6

Exponentiation

ny
n2 991807663308484
n3 3.1234976920805E+22
n4 9.8368244099744E+29
n5 3.0979089473319E+37

Nth Root

y√n
2√n 5611.8604758137
3√n 315.79451069061
4√n 74.912351957562
5√n 31.596774154452

Divisors of 31492978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31492977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31492978 can be divided by 16 positive divisors. The sum of these divisors (counting 31492978) is 1, the average is 0.0625.

Base conversion 31492978

Base System Value
2 Binary 1111000001000101101110010
3 Ternary 2012021000020121
4 Quaternary 1320020231302
5 Quinary 31030233403
6 Senary 3043000454
8 Octal 170105562
10 Decimal 31492978
12 Duodecimal a66912a
16 Hexadecimal 1e08b72
20 Vigesimal 9ggc8i
36 Base36 ir04y

Cryptographic Hash Functions

md5 64ea81b0844c1a91429c449fcdc6ba12
sha1 446c5baf5fe969d63450853a79c8975b07a90911
sha256 6a33a72d4c9f71accab21f5966cf1bc4d137c2e4437f174f3a99eee0f0a2ff33
sha512 505bfe84e1a24f997f2dad75df3e2dc2914f17524fbd0b84159ea3cdb2e76e04c5bd1ca8fe55281e6152ac79d184f229970553c26db1df03565007406da8e373
ripemd-160 3db20f60844bdbf18c034003233ba11c1e943407

31492978 as geometric shapes

Circle

Radius = n
Diameter 62985956
Circumference 197876216.64893
Area 3.115855668824E+15

Sphere

Radius = n
Volume 1.308367653726E+23
Surface area 1.2463422675296E+16
Circumference 197876216.64893

Square

Length = n
Perimeter 125971912
Area 991807663308484
Diagonal 44537796.607118

Cube

Length = n
Surface area 5950845979850904
Volume 3.1234976920805E+22
Space diagonal 54547437.977649

Equilateral Triangle

Length = n
Perimeter 94478934
Area 4.2946531604662E+14
Altitude 27273718.988824

Triangular Pyramid

Length = n
Surface area 4.2946531604662E+14
Volume 3.6810773318178E+21
Height 14845932.202373