31021640 (number)

31021640 is an even 8-digits composite number following 31021639 and preceding 31021641. In scientific notation, it is written as 3.1021640 × 10^7. The sum of its digits is 17. It has a total of 8 prime factors and 64 positive divisors. There are 11421696 positive integers (up to 31021640) that are relatively prime to 31021640.

Interesting facts

Basic properties

Name

Name thirty-one million twenty-one thousand six hundred forty

Notation

Scientific notation 3.1021640 × 10^7
Engineering notation 3.1021640 × 10^6

Prime Factorization of 31021640

Prime Factorization 2 × 2 × 2 × 13 × 5 × 13 × 13 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 45890
Product of the distinct prime numbers

The prime factorization of 31021640 is 2 × 2 × 2 × 13 × 5 × 13 × 13 × 353. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31021640)

Multiplication

n×y
n×2 62043280
n×3 93064920
n×4 124086560
n×5 155108200

Division

n÷y
n÷2 15510820
n÷3 10340546.666667
n÷3 7755410
n÷5 6204328

Exponentiation

ny
n2 962342148289600
n3 2.9853431681067E+22
n4 9.2610241037464E+29
n5 2.8729215577774E+37

Nth Root

y√n
2√n 5569.707353174
3√n 314.21114444928
4√n 74.630472014948
5√n 31.501624523814

Divisors of 31021640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31021639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31021640 can be divided by 64 positive divisors. The sum of these divisors (counting 31021640) is 1, the average is 0.015625.

Base conversion 31021640

Base System Value
2 Binary 1110110010101101001001000
3 Ternary 2011101001200122
4 Quaternary 1312111221020
5 Quinary 30420143030
6 Senary 3024522412
8 Octal 166255110
10 Decimal 31021640
12 Duodecimal a480408
16 Hexadecimal 1d95a48
20 Vigesimal 9dhe20
36 Base36 igwg8

Cryptographic Hash Functions

md5 e4b007f47b7ab6b2cb292fe64a3ff7d2
sha1 1b7c5c2f8cfad6990ff7531f3aa8fb9f85ce102d
sha256 21429307713148bdb24416797c645f73dcfc70d0b7d71636ca746d29714966fe
sha512 1e304d3452a6fe6f12ffc463594075a4feb99ca0811293ed16ad9db551f3263e6f8041c686a0d9272547b2a4270cb31d6fbfe518b18e345f043c596c7e186485
ripemd-160 b91297af569f88ba03a1c4049abb74c9793b817e

31021640 as geometric shapes

Circle

Radius = n
Diameter 62043280
Circumference 194914712.65261
Area 3.0232870233064E+15

Sphere

Radius = n
Volume 1.2504976220491E+23
Surface area 1.2093148093226E+16
Circumference 194914712.65261

Square

Length = n
Perimeter 124086560
Area 962342148289600
Diagonal 43871224.015056

Cube

Length = n
Surface area 5774052889737600
Volume 2.9853431681067E+22
Space diagonal 53731056.614111

Equilateral Triangle

Length = n
Perimeter 93064920
Area 4.1670637377564E+14
Altitude 26865528.307055

Triangular Pyramid

Length = n
Surface area 4.1670637377564E+14
Volume 3.5182606638952E+21
Height 14623741.338352