31438861 (number)

31438861 is an odd 8-digits composite number following 31438860 and preceding 31438862. In scientific notation, it is written as 3.1438861 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 30071932 positive integers (up to 31438861) that are relatively prime to 31438861.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred thirty-eight thousand eight hundred sixty-one

Notation

Scientific notation 3.1438861 × 10^7
Engineering notation 3.1438861 × 10^6

Prime Factorization of 31438861

Prime Factorization 23 × 1366907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31438861
Product of the distinct prime numbers

The prime factorization of 31438861 is 23 × 1366907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31438861)

Multiplication

n×y
n×2 62877722
n×3 94316583
n×4 125755444
n×5 157194305

Division

n÷y
n÷2 15719430.5
n÷3 10479620.333333
n÷3 7859715.25
n÷5 6287772.2

Exponentiation

ny
n2 988401980977321
n3 3.1074232492071E+22
n4 9.7693847599989E+29
n5 3.0713832952512E+37

Nth Root

y√n
2√n 5607.0367396692
3√n 315.61352166864
4√n 74.880149169651
5√n 31.585907610418

Divisors of 31438861

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 -31438860
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 31438861 can be divided by 4 positive divisors. The sum of these divisors (counting 31438861) is 1, the average is 0.25.

Base conversion 31438861

Base System Value
2 Binary 1110111111011100000001101
3 Ternary 2012011021000021
4 Quaternary 1313323200031
5 Quinary 31022020421
6 Senary 3041502141
8 Octal 167734015
10 Decimal 31438861
12 Duodecimal a641951
16 Hexadecimal 1dfb80d
20 Vigesimal 9g9h31
36 Base36 ipudp

Cryptographic Hash Functions

md5 798360c7722f9f114efb4535fe1117f6
sha1 f20a903ac17019c580b66d1f36635c0364d0e534
sha256 976076df30bd21730daf321da470c1aea3c4c727739f466e00104a46c65ba366
sha512 b5ba905b6dca0aee82fb1f00153ae805d1b3f9802d6f9f9cc1f72f02061c1f800ba1b7394cb6fde5a40035f612bf596e285e20fb2f686233e66568104c0a267e
ripemd-160 81056e21097fff00aa16513465755a3231b4a44f

31438861 as geometric shapes

Circle

Radius = n
Diameter 62877722
Circumference 197536189.50966
Area 3.105156402232E+15

Sphere

Radius = n
Volume 1.3016344068404E+23
Surface area 1.2420625608928E+16
Circumference 197536189.50966

Square

Length = n
Perimeter 125755444
Area 988401980977321
Diagonal 44461263.611763

Cube

Length = n
Surface area 5930411885863926
Volume 3.1074232492071E+22
Space diagonal 54453704.584096

Equilateral Triangle

Length = n
Perimeter 94316583
Area 4.2799061233861E+14
Altitude 27226852.292048

Triangular Pyramid

Length = n
Surface area 4.2799061233861E+14
Volume 3.6621334192184E+21
Height 14820421.203921