31381808 (number)

31381808 is an even 8-digits composite number following 31381807 and preceding 31381809. In scientific notation, it is written as 3.1381808 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors. There are 15690896 positive integers (up to 31381808) that are relatively prime to 31381808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1381808 × 10^7
Engineering notation 3.1381808 × 10^6

Prime Factorization of 31381808

Prime Factorization 2 × 2 × 2 × 2 × 1961363

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3922726
Product of the distinct prime numbers

The prime factorization of 31381808 is 2 × 2 × 2 × 2 × 1961363. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 88, 82, 219, 597, 1400, 4403, 33781, 56025, 219548, 382835, 6286678, 2594804, 3550918, 95091830, 356492711, 267998748, 8843622758, 2335653396

Basic calculations (n = 31381808)

Multiplication

n×y
n×2 62763616
n×3 94145424
n×4 125527232
n×5 156909040

Division

n÷y
n÷2 15690904
n÷3 10460602.666667
n÷3 7845452
n÷5 6276361.6

Exponentiation

ny
n2 984817873348864
n3 3.0905365416402E+22
n4 9.6986624366738E+29
n5 3.0436156244451E+37

Nth Root

y√n
2√n 5601.94680446
3√n 315.42248843677
4√n 74.846154239614
5√n 31.57443530981

Divisors of 31381808

1, 2, 4, 8, 16, 1961363, 3922726, 7845452, 15690904, 31381808

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31381807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31381808 can be divided by 10 positive divisors. The sum of these divisors (counting 31381808) is 1, the average is 0.1.

Base conversion 31381808

Base System Value
2 Binary 1110111101101100100110000
3 Ternary 2012001100202012
4 Quaternary 1313231210300
5 Quinary 31013204213
6 Senary 3040342052
8 Octal 167554460
10 Decimal 31381808
12 Duodecimal a614928
16 Hexadecimal 1ded930
20 Vigesimal 9g2ea8
36 Base36 iomcw

Cryptographic Hash Functions

md5 2cbc2a43596264ff4f80bf8f6612e102
sha1 605690b926a0ed4e1431af4fafcc3e2aa6ecd02e
sha256 d245b2a03733a7eb1f884953eb00e5da8fcc57a7aeeaef7fe9d5402d1b8b029e
sha512 c6a8163916f20acc5951ce965d7b8c49d605075ca377f7ff795be1a2aa25705b4093c54d32da3fa2e8000790dbc727808e96d838d395d31c442241b9ed74b139
ripemd-160 4289136ce1a5e89be566249205a74629a47eb087

31381808 as geometric shapes

Circle

Radius = n
Diameter 62763616
Circumference 197177714.93833
Area 3.0938965960367E+15

Sphere

Radius = n
Volume 1.2945609193157E+23
Surface area 1.2375586384147E+16
Circumference 197177714.93833

Square

Length = n
Perimeter 125527232
Area 984817873348864
Diagonal 44380578.485388

Cube

Length = n
Surface area 5908907240093184
Volume 3.0905365416402E+22
Space diagonal 54354885.889371

Equilateral Triangle

Length = n
Perimeter 94145424
Area 4.2643864821054E+14
Altitude 27177442.944686

Triangular Pyramid

Length = n
Surface area 4.2643864821054E+14
Volume 3.6422322434977E+21
Height 14793526.161796