31538081 (number)

31538081 is an odd 8-digits composite number following 31538080 and preceding 31538082. In scientific notation, it is written as 3.1538081 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 29241648 positive integers (up to 31538081) that are relatively prime to 31538081.

Interesting facts

Basic properties

Name

Name thirty-one million five hundred thirty-eight thousand eighty-one

Notation

Scientific notation 3.1538081 × 10^7
Engineering notation 3.1538081 × 10^6

Prime Factorization of 31538081

Prime Factorization 19 × 47 × 35317

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31538081
Product of the distinct prime numbers

The prime factorization of 31538081 is 19 × 47 × 35317. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31538081)

Multiplication

n×y
n×2 63076162
n×3 94614243
n×4 126152324
n×5 157690405

Division

n÷y
n÷2 15769040.5
n÷3 10512693.666667
n÷3 7884520.25
n÷5 6307616.2

Exponentiation

ny
n2 994650553162561
n3 3.1369369712336E+22
n4 9.8932972290659E+29
n5 3.1201560936736E+37

Nth Root

y√n
2√n 5615.8775805746
3√n 315.94519492321
4√n 74.939159193139
5√n 31.605819304843

Divisors of 31538081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31538080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31538081 can be divided by 8 positive divisors. The sum of these divisors (counting 31538081) is 1, the average is 0.125.

Base conversion 31538081

Base System Value
2 Binary 1111000010011101110100001
3 Ternary 2012100022010002
4 Quaternary 1320103232201
5 Quinary 31033204311
6 Senary 3043545345
8 Octal 170235641
10 Decimal 31538081
12 Duodecimal a68b255
16 Hexadecimal 1e13ba1
20 Vigesimal 9h2541
36 Base36 iryxt

Cryptographic Hash Functions

md5 56fe84d2a5db3fc8b4f18b271186a856
sha1 2007853d70c7c73d1ed760bc60222640364ab732
sha256 0244a85f16ffa0bc966e76313864d3c73a9c1161115850b7c6f7134ed866c219
sha512 20dfdb7c4752c940b1ea7c1bef13c25baf87889411c6fa884f5e37752f2c71226d360535a6016c64e93bff7d15a68b9d4a142a0b461fadfd56137556279f93cb
ripemd-160 0e4fc12c105daa66a2ce3bb65390cbb89789f349

31538081 as geometric shapes

Circle

Radius = n
Diameter 63076162
Circumference 198159607.15584
Area 3.1247868707045E+15

Sphere

Radius = n
Volume 1.3139970858135E+23
Surface area 1.2499147482818E+16
Circumference 198159607.15584

Square

Length = n
Perimeter 126152324
Area 994650553162561
Diagonal 44601581.881421

Cube

Length = n
Surface area 5967903318975366
Volume 3.1369369712336E+22
Space diagonal 54625558.665223

Equilateral Triangle

Length = n
Perimeter 94614243
Area 4.3069632346351E+14
Altitude 27312779.332611

Triangular Pyramid

Length = n
Surface area 4.3069632346351E+14
Volume 3.6969156741901E+21
Height 14867193.960474