31285890 (number)

31285890 is an even 8-digits composite number following 31285889 and preceding 31285891. In scientific notation, it is written as 3.1285890 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 8342880 positive integers (up to 31285890) that are relatively prime to 31285890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1285890 × 10^7
Engineering notation 3.1285890 × 10^6

Prime Factorization of 31285890

Prime Factorization 2 × 45 × 347621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31285890
Product of the distinct prime numbers

The prime factorization of 31285890 is 2 × 45 × 347621. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31285890)

Multiplication

n×y
n×2 62571780
n×3 93857670
n×4 125143560
n×5 156429450

Division

n÷y
n÷2 15642945
n÷3 10428630
n÷3 7821472.5
n÷5 6257178

Exponentiation

ny
n2 978806913092100
n3 3.0622845414239E+22
n4 9.5806297311689E+29
n5 2.9973852790008E+37

Nth Root

y√n
2√n 5593.3791217832
3√n 315.10079918477
4√n 74.788897048848
5√n 31.555110316265

Divisors of 31285890

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 -31285889
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 31285890 can be divided by 8 positive divisors. The sum of these divisors (counting 31285890) is 1, the average is 0.125.

Base conversion 31285890

Base System Value
2 Binary 1110111010110001010000010
3 Ternary 2011212111011200
4 Quaternary 1313112022002
5 Quinary 31002122030
6 Senary 3034322030
8 Octal 167261202
10 Decimal 31285890
12 Duodecimal a589316
16 Hexadecimal 1dd6282
20 Vigesimal 9faeea
36 Base36 imkci

Cryptographic Hash Functions

md5 22e8420550b091c10d8779ba553bf887
sha1 733379377e6b941bbf8120bbc3f94d6d561d38a5
sha256 c904ff106d7fb8a13d05ef4841da6490043a5b9c7ac4b56d8965b1712823b860
sha512 d254df9bf6ebe9ad560db54b1fb910762670770c65b50128ea919bbb777d6ac35abb39e85250c63a6c9f28a3b8ad36d11f6827a6134a238362daea5209fa8cb3
ripemd-160 fbf01231b6ebd99ab323349e0709b0a78371b785

31285890 as geometric shapes

Circle

Radius = n
Diameter 62571780
Circumference 196575044.37004
Area 3.075012607453E+15

Sphere

Radius = n
Volume 1.2827267491385E+23
Surface area 1.2300050429812E+16
Circumference 196575044.37004

Square

Length = n
Perimeter 125143560
Area 978806913092100
Diagonal 44244929.948913

Cube

Length = n
Surface area 5872841478552600
Volume 3.0622845414239E+22
Space diagonal 54188751.040011

Equilateral Triangle

Length = n
Perimeter 93857670
Area 4.2383582606879E+14
Altitude 27094375.520006

Triangular Pyramid

Length = n
Surface area 4.2383582606879E+14
Volume 3.6089369419393E+21
Height 14748309.982971