31308921 (number)

31308921 is an odd 8-digits composite number following 31308920 and preceding 31308922. In scientific notation, it is written as 3.1308921 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 17595360 positive integers (up to 31308921) that are relatively prime to 31308921.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eight thousand nine hundred twenty-one

Notation

Scientific notation 3.1308921 × 10^7
Engineering notation 3.1308921 × 10^6

Prime Factorization of 31308921

Prime Factorization 9 × 7 × 61 × 8147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31308921
Product of the distinct prime numbers

The prime factorization of 31308921 is 9 × 7 × 61 × 8147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 17, 29, 788, 444, 4302, 2198, 49376, 13351, 161073, 272321, 5671958, 863459, 459615, 64583666, 213204900, 746696749, 9582464226, 9259873012

Basic calculations (n = 31308921)

Multiplication

n×y
n×2 62617842
n×3 93926763
n×4 125235684
n×5 156544605

Division

n÷y
n÷2 15654460.5
n÷3 10436307
n÷3 7827230.25
n÷5 6261784.2

Exponentiation

ny
n2 980248534184241
n3 3.069052391714E+22
n4 9.6088718877035E+29
n5 3.0084341083123E+37

Nth Root

y√n
2√n 5595.4375164057
3√n 315.17810034166
4√n 74.80265714803
5√n 31.559754785983

Divisors of 31308921

1, 7, 9, 61, 63, 427, 549, 3843, 8147, 57029, 73323, 496967, 513261, 3478769, 4472703, 31308921

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 -31308920
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 31308921 can be divided by 16 positive divisors. The sum of these divisors (counting 31308921) is 1, the average is 0.0625.

Base conversion 31308921

Base System Value
2 Binary 1110111011011110001111001
3 Ternary 2011220122202200
4 Quaternary 1313123301321
5 Quinary 31003341141
6 Senary 3035020413
8 Octal 167336171
10 Decimal 31308921
12 Duodecimal a59a709
16 Hexadecimal 1ddbc79
20 Vigesimal 9fdc61
36 Base36 in249

Cryptographic Hash Functions

md5 e81fffdc4ff7e04bfa334435aaa46b74
sha1 e4807d9b1556be2967715c59f2825ef978568541
sha256 1cfc33b77f16d18927492f03e5ed8c4c4a7aad01623d9ca5638238fff9cbe2ec
sha512 b5509ed9acaf6add9019e79a3f01e1822a63f2eb66637a9917f76717c1a276102687befb2c7002faebcc14bd467a71ddb95c041038e935b458c71833c005ea09
ripemd-160 c16edafd94ad443f661e5a7caa1ebf5837c31f87

31308921 as geometric shapes

Circle

Radius = n
Diameter 62617842
Circumference 196719752.41085
Area 3.0795415936854E+15

Sphere

Radius = n
Volume 1.2855616596388E+23
Surface area 1.2318166374741E+16
Circumference 196719752.41085

Square

Length = n
Perimeter 125235684
Area 980248534184241
Diagonal 44277500.701468

Cube

Length = n
Surface area 5881491205105446
Volume 3.069052391714E+22
Space diagonal 54228641.90216

Equilateral Triangle

Length = n
Perimeter 93926763
Area 4.2446006631301E+14
Altitude 27114320.95108

Triangular Pyramid

Length = n
Surface area 4.2446006631301E+14
Volume 3.6169129299963E+21
Height 14759166.900489