31981444 (number)

31981444 is an even 8-digits composite number following 31981443 and preceding 31981445. In scientific notation, it is written as 3.1981444 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 14399040 positive integers (up to 31981444) that are relatively prime to 31981444.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred eighty-one thousand four hundred forty-four

Notation

Scientific notation 3.1981444 × 10^7
Engineering notation 3.1981444 × 10^6

Prime Factorization of 31981444

Prime Factorization 2 × 2 × 1177 × 6793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15990722
Product of the distinct prime numbers

The prime factorization of 31981444 is 2 × 2 × 1177 × 6793. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 60, 13, 546, 881, 6051, 1134, 59032, 79908, 263446, 976311, 1335156, 6973142, 990583, 28415460, 336686900, 360249821, 1131252030, 652272098

Basic calculations (n = 31981444)

Multiplication

n×y
n×2 63962888
n×3 95944332
n×4 127925776
n×5 159907220

Division

n÷y
n÷2 15990722
n÷3 10660481.333333
n÷3 7995361
n÷5 6396288.8

Exponentiation

ny
n2 1022812760325136
n3 3.2711029016824E+22
n4 1.0461459426839E+30
n5 3.3457257881773E+37

Nth Root

y√n
2√n 5655.2138774763
3√n 317.41883224923
4√n 75.201156091354
5√n 31.69418683648

Divisors of 31981444

1, 2, 4, 1177, 2354, 4708, 6793, 13586, 27172, 7995361, 15990722, 31981444

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31981443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31981444 can be divided by 12 positive divisors. The sum of these divisors (counting 31981444) is 1, the average is 0.083333333333333.

Base conversion 31981444

Base System Value
2 Binary 1111001111111111110000100
3 Ternary 2020011211021221
4 Quaternary 1321333332010
5 Quinary 31141401234
6 Senary 3101250124
8 Octal 171777604
10 Decimal 31981444
12 Duodecimal a863944
16 Hexadecimal 1e7ff84
20 Vigesimal 9jhdc4
36 Base36 j1h1g

Cryptographic Hash Functions

md5 46c8f7fc57031a0248e4396c557a7bd1
sha1 740791d6ae8daa414a30236e1024d0d4354cb1ca
sha256 e74fbcaa5bac9c578864ff3bc899cd08a2b80ec896740a71176a2e1066dd3195
sha512 c9a3102d2c9bc42fd8a9414fa2d0b7199dc3e7066fe5f18f50db4736d8e95f3b67e284af7dddf87771b90feda18b7d0e4163f7fd0ba5334e5a238f94ee5d80df
ripemd-160 2e4bac456d74b7701dcd80c70f9fe68e1ddf8b75

31981444 as geometric shapes

Circle

Radius = n
Diameter 63962888
Circumference 200945339.04319
Area 3.2132610538353E+15

Sphere

Radius = n
Volume 1.3701963793415E+23
Surface area 1.2853044215341E+16
Circumference 200945339.04319

Square

Length = n
Perimeter 127925776
Area 1022812760325136
Diagonal 45228591.849076

Cube

Length = n
Surface area 6136876561950816
Volume 3.2711029016824E+22
Space diagonal 55393485.907419

Equilateral Triangle

Length = n
Perimeter 95944332
Area 4.4289091687823E+14
Altitude 27696742.953709

Triangular Pyramid

Length = n
Surface area 4.4289091687823E+14
Volume 3.8550317395643E+21
Height 15076197.283025