31128385 (number)

31128385 is an odd 8-digits composite number following 31128384 and preceding 31128386. In scientific notation, it is written as 3.1128385 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 24902704 positive integers (up to 31128385) that are relatively prime to 31128385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1128385 × 10^7
Engineering notation 3.1128385 × 10^6

Prime Factorization of 31128385

Prime Factorization 5 × 6225677

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31128385
Product of the distinct prime numbers

The prime factorization of 31128385 is 5 × 6225677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 66, 78, 310, 62, 6168, 8948, 27175, 47853, 996382, 596390, 912, 5461596, 42435493, 10845969, 631788232, 891513184, 885817263, 1988613226

Basic calculations (n = 31128385)

Multiplication

n×y
n×2 62256770
n×3 93385155
n×4 124513540
n×5 155641925

Division

n÷y
n÷2 15564192.5
n÷3 10376128.333333
n÷3 7782096.25
n÷5 6225677

Exponentiation

ny
n2 968976352708225
n3 3.0162668962997E+22
n4 9.3891517210773E+29
n5 2.9226912959711E+37

Nth Root

y√n
2√n 5579.2817638115
3√n 314.57113048095
4√n 74.694589923311
5√n 31.523274069896

Divisors of 31128385

1, 5, 6225677, 31128385

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31128384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31128385 can be divided by 4 positive divisors. The sum of these divisors (counting 31128385) is 1, the average is 0.25.

Base conversion 31128385

Base System Value
2 Binary 1110110101111101101000001
3 Ternary 2011120111010011
4 Quaternary 1312233231001
5 Quinary 30432102020
6 Senary 3031104521
8 Octal 166575501
10 Decimal 31128385
12 Duodecimal a512141
16 Hexadecimal 1dafb41
20 Vigesimal 9eb0j5
36 Base36 ij6td

Cryptographic Hash Functions

md5 e5397ee7467054a30ff1e97b5fc4d3ce
sha1 baffa0bbaf127440f1d16360c3aaaa394f81b6cd
sha256 6f9d92ed100297d44eadaf2b675c3a6baa7a3448afc41ae0323a7f03c7b3f1b4
sha512 fedd3968a94fddd780f35c943950bcd7a5c04d62ea1b614e9687474d1b50508ee86e94d8b69cbe2b78e8478b97308feb72354bbb998b53c4e13640c584b8626e
ripemd-160 d1e19b9b4ceadf508d539c4f22113d7281fa5f7c

31128385 as geometric shapes

Circle

Radius = n
Diameter 62256770
Circumference 195585411.26823
Area 3.0441289911704E+15

Sphere

Radius = n
Volume 1.2634509230242E+23
Surface area 1.2176515964682E+16
Circumference 195585411.26823

Square

Length = n
Perimeter 124513540
Area 968976352708225
Diagonal 44022184.241771

Cube

Length = n
Surface area 5813858116249350
Volume 3.0162668962997E+22
Space diagonal 53915944.377565

Equilateral Triangle

Length = n
Perimeter 93385155
Area 4.1957906855586E+14
Altitude 26957972.188782

Triangular Pyramid

Length = n
Surface area 4.1957906855586E+14
Volume 3.5547046270701E+21
Height 14674061.413924