31388897 (number)

31388897 is an odd 8-digits composite number following 31388896 and preceding 31388898. In scientific notation, it is written as 3.1388897 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 30920340 positive integers (up to 31388897) that are relatively prime to 31388897.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-eight thousand eight hundred ninety-seven

Notation

Scientific notation 3.1388897 × 10^7
Engineering notation 3.1388897 × 10^6

Prime Factorization of 31388897

Prime Factorization 67 × 468491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31388897
Product of the distinct prime numbers

The prime factorization of 31388897 is 67 × 468491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 36, 74, 703, 508, 7529, 4136, 67304, 88902, 700142, 546062, 6185838, 1424443, 18367217, 61029396, 406150007, 521421533, 7233648380, 2801769242

Basic calculations (n = 31388897)

Multiplication

n×y
n×2 62777794
n×3 94166691
n×4 125555588
n×5 156944485

Division

n÷y
n÷2 15694448.5
n÷3 10462965.666667
n÷3 7847224.25
n÷5 6277779.4

Exponentiation

ny
n2 985262854876609
n3 3.0926314269648E+22
n4 9.7074289319961E+29
n5 3.0470548688124E+37

Nth Root

y√n
2√n 5602.5794951968
3√n 315.44623745798
4√n 74.850380728469
5√n 31.575861683649

Divisors of 31388897

1, 67, 468491, 31388897

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 -31388896
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 31388897 can be divided by 4 positive divisors. The sum of these divisors (counting 31388897) is 1, the average is 0.25.

Base conversion 31388897

Base System Value
2 Binary 1110111101111010011100001
3 Ternary 2012001201110202
4 Quaternary 1313233103201
5 Quinary 31013421042
6 Senary 3040434545
8 Octal 167572341
10 Decimal 31388897
12 Duodecimal a618a55
16 Hexadecimal 1def4e1
20 Vigesimal 9g3c4h
36 Base36 iortt

Cryptographic Hash Functions

md5 24e1782cf92591262e107b96315479a4
sha1 0b0dda54ea54ba3a388c69f27b4c101c3f02fc3a
sha256 68555427a40118629a0585454c1d063bcc3921991fbf6280b729112f1db11bf5
sha512 d953b1532fd197db7556e9d4c4b260ea4046cc82e2c83851b6fc4e432cd551e279c64315595bae4d7b078695b81a6943c51427635e0ba3e1e7d961a1dce60e1d
ripemd-160 6fd43137e32d2a75d3b8e04deba4e70a833f3917

31388897 as geometric shapes

Circle

Radius = n
Diameter 62777794
Circumference 197222256.43897
Area 3.0952945467353E+15

Sphere

Radius = n
Volume 1.2954384228285E+23
Surface area 1.2381178186941E+16
Circumference 197222256.43897

Square

Length = n
Perimeter 125555588
Area 985262854876609
Diagonal 44390603.845332

Cube

Length = n
Surface area 5911577129259654
Volume 3.0926314269648E+22
Space diagonal 54367164.397546

Equilateral Triangle

Length = n
Perimeter 94166691
Area 4.2663133086416E+14
Altitude 27183582.198773

Triangular Pyramid

Length = n
Surface area 4.2663133086416E+14
Volume 3.644701089529E+21
Height 14796867.948444