31121808 (number)

31121808 is an even 8-digits composite number following 31121807 and preceding 31121809. In scientific notation, it is written as 3.1121808 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors. There are 10373920 positive integers (up to 31121808) that are relatively prime to 31121808.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-one thousand eight hundred eight

Notation

Scientific notation 3.1121808 × 10^7
Engineering notation 3.1121808 × 10^6

Prime Factorization of 31121808

Prime Factorization 2 × 2 × 2 × 2 × 3 × 648371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3890226
Product of the distinct prime numbers

The prime factorization of 31121808 is 2 × 2 × 2 × 2 × 3 × 648371. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 76, 3, 19, 208, 4445, 9334, 70918, 53593, 368165, 453428, 9957120, 3742108, 46172746, 76384766, 366527987, 841620148, 485157052, 3177184013

Basic calculations (n = 31121808)

Multiplication

n×y
n×2 62243616
n×3 93365424
n×4 124487232
n×5 155609040

Division

n÷y
n÷2 15560904
n÷3 10373936
n÷3 7780452
n÷5 6224361.6

Exponentiation

ny
n2 968566933188864
n3 3.0143554129853E+22
n4 9.3812190406688E+29
n5 2.9196049778964E+37

Nth Root

y√n
2√n 5578.69231989
3√n 314.54897406803
4√n 74.690644125553
5√n 31.521941870374

Divisors of 31121808

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 648371, 1296742, 1945113, 2593484, 3890226, 5186968, 7780452, 10373936, 15560904, 31121808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31121807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31121808 can be divided by 20 positive divisors. The sum of these divisors (counting 31121808) is 1, the average is 0.05.

Base conversion 31121808

Base System Value
2 Binary 1110110101110000110010000
3 Ternary 2011120011002120
4 Quaternary 1312232012100
5 Quinary 30431344213
6 Senary 3031014240
8 Octal 166560620
10 Decimal 31121808
12 Duodecimal a50a380
16 Hexadecimal 1dae190
20 Vigesimal 9ea4a8
36 Base36 ij1qo

Cryptographic Hash Functions

md5 02d741839624b37f429538d9df18771b
sha1 68423ff6775b3f9931066504c3445eda27eb0ea8
sha256 310914724e623711eb5ca5f47e4e756c5f4c537dd93f03eb5b7b9a67e52774e0
sha512 48239adc85a01ce1341702930b681397872c4e098adee799352a32e180c9ca208e3c74d815f54151a1e491ae62e7f562d047a7115a25d5a7fd503f778964c8d6
ripemd-160 7891d40fbd99ecee8e054570e74f0d096435f436

31121808 as geometric shapes

Circle

Radius = n
Diameter 62243616
Circumference 195544086.75846
Area 3.0428427618161E+15

Sphere

Radius = n
Volume 1.2626502427658E+23
Surface area 1.2171371047265E+16
Circumference 195544086.75846

Square

Length = n
Perimeter 124487232
Area 968566933188864
Diagonal 44012882.959171

Cube

Length = n
Surface area 5811401599133184
Volume 3.0143554129853E+22
Space diagonal 53904552.679404

Equilateral Triangle

Length = n
Perimeter 93365424
Area 4.1940178470357E+14
Altitude 26952276.339702

Triangular Pyramid

Length = n
Surface area 4.1940178470357E+14
Volume 3.5524519223804E+21
Height 14670960.98639