31388045 (number)

31388045 is an odd 8-digits composite number following 31388044 and preceding 31388046. In scientific notation, it is written as 3.1388045 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 23112000 positive integers (up to 31388045) that are relatively prime to 31388045.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1388045 × 10^7
Engineering notation 3.1388045 × 10^6

Prime Factorization of 31388045

Prime Factorization 5 × 13 × 643 × 751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31388045
Product of the distinct prime numbers

The prime factorization of 31388045 is 5 × 13 × 643 × 751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 42, 5, 937, 541, 6188, 3698, 6711, 71761, 904738, 552147, 9947493, 2368129, 69667618, 51083312, 980942928, 167725114, 1462709224, 830180352

Basic calculations (n = 31388045)

Multiplication

n×y
n×2 62776090
n×3 94164135
n×4 125552180
n×5 156940225

Division

n÷y
n÷2 15694022.5
n÷3 10462681.666667
n÷3 7847011.25
n÷5 6277609

Exponentiation

ny
n2 985209368922025
n3 3.0923796006146E+22
n4 9.7063750061173E+29
n5 3.0466413547889E+37

Nth Root

y√n
2√n 5602.5034582765
3√n 315.44338334234
4√n 74.84987280067
5√n 31.575690266818

Divisors of 31388045

1, 5, 13, 65, 643, 751, 3215, 3755, 8359, 9763, 41795, 48815, 482893, 2414465, 6277609, 31388045

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31388044
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31388045 can be divided by 16 positive divisors. The sum of these divisors (counting 31388045) is 1, the average is 0.0625.

Base conversion 31388045

Base System Value
2 Binary 1110111101111000110001101
3 Ternary 2012001200022012
4 Quaternary 1313233012031
5 Quinary 31013404140
6 Senary 3040431005
8 Octal 167570615
10 Decimal 31388045
12 Duodecimal a618465
16 Hexadecimal 1def18d
20 Vigesimal 9g3a25
36 Base36 ior65

Cryptographic Hash Functions

md5 7ed0aed186b4b780c5254b4c14fefea5
sha1 5fa63667f9fa9d4f087d9106180e481f0fca382a
sha256 b5485cd7dcbdd5e6ead2349d525ff38ae5c49cdb8a8c0325d2b434d10bcfc0f1
sha512 871f508363437c496cedcc4f64fb83e8ed4dee86f9dbb1cd1d3e7a8c8e647e3471aca109ac9925c45f4347fc9e508ea9c66dfb3f0f08690132cbc2b4f574c5ca
ripemd-160 4dff68f61279b4d80267b03cde92ae3065d4b29f

31388045 as geometric shapes

Circle

Radius = n
Diameter 62776090
Circumference 197216903.16509
Area 3.0951265156533E+15

Sphere

Radius = n
Volume 1.2953329380536E+23
Surface area 1.2380506062613E+16
Circumference 197216903.16509

Square

Length = n
Perimeter 125552180
Area 985209368922025
Diagonal 44389398.935377

Cube

Length = n
Surface area 5911256213532150
Volume 3.0923796006146E+22
Space diagonal 54365688.690258

Equilateral Triangle

Length = n
Perimeter 94164135
Area 4.2660817076645E+14
Altitude 27182844.345129

Triangular Pyramid

Length = n
Surface area 4.2660817076645E+14
Volume 3.6444043093292E+21
Height 14796466.311792