31386918 (number)

31386918 is an even 8-digits composite number following 31386917 and preceding 31386919. In scientific notation, it is written as 3.1386918 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 10140416 positive integers (up to 31386918) that are relatively prime to 31386918.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-six thousand nine hundred eighteen

Notation

Scientific notation 3.1386918 × 10^7
Engineering notation 3.1386918 × 10^6

Prime Factorization of 31386918

Prime Factorization 2 × 3 × 53 × 89 × 1109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31386918
Product of the distinct prime numbers

The prime factorization of 31386918 is 2 × 3 × 53 × 89 × 1109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 22, 22, 940, 327, 1157, 8311, 53699, 35336, 595068, 545195, 5078940, 191471, 88530402, 9305532, 762936687, 543500255, 9682402176, 4050080877

Basic calculations (n = 31386918)

Multiplication

n×y
n×2 62773836
n×3 94160754
n×4 125547672
n×5 156934590

Division

n÷y
n÷2 15693459
n÷3 10462306
n÷3 7846729.5
n÷5 6277383.6

Exponentiation

ny
n2 985138621538724
n3 3.0920465132869E+22
n4 9.7049810364722E+29
n5 3.0460944398331E+37

Nth Root

y√n
2√n 5602.4028773375
3√n 315.43960792458
4√n 74.849200913153
5√n 31.575463516066

Divisors of 31386918

1, 2, 3, 6, 53, 89, 106, 159, 178, 267, 318, 534, 1109, 2218, 3327, 4717, 6654, 9434, 14151, 28302, 58777, 98701, 117554, 176331, 197402, 296103, 352662, 592206, 5231153, 10462306, 15693459, 31386918

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31386917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31386918 can be divided by 32 positive divisors. The sum of these divisors (counting 31386918) is 1, the average is 0.03125.

Base conversion 31386918

Base System Value
2 Binary 1110111101110110100100110
3 Ternary 2012001121202110
4 Quaternary 1313232310212
5 Quinary 31013340133
6 Senary 3040421450
8 Octal 167566446
10 Decimal 31386918
12 Duodecimal a617886
16 Hexadecimal 1deed26
20 Vigesimal 9g375i
36 Base36 ioqau

Cryptographic Hash Functions

md5 f6a9298b838d03d68f22d9bf45a39681
sha1 14df4a89757e029d9c9776f9117d262c850738e2
sha256 7758e3b311faa2474061651b2c75bb3d4174631db53da9381deb612ecb1dded1
sha512 832a1d5995d81af65bc3e996c66e9409a6e3985412e96f1b6c22e621330b342a5e984c47ee695402094fb033b424a1288877395aceae9351e8a200e24932e247
ripemd-160 1b45282fc320be7219e8e609e3a4e34b99198870

31386918 as geometric shapes

Circle

Radius = n
Diameter 62773836
Circumference 197209822.01525
Area 3.0949042561936E+15

Sphere

Radius = n
Volume 1.29519341476E+23
Surface area 1.2379617024775E+16
Circumference 197209822.01525

Square

Length = n
Perimeter 125547672
Area 985138621538724
Diagonal 44387805.116692

Cube

Length = n
Surface area 5910831729232344
Volume 3.0920465132869E+22
Space diagonal 54363736.668998

Equilateral Triangle

Length = n
Perimeter 94160754
Area 4.2657753625086E+14
Altitude 27181868.334499

Triangular Pyramid

Length = n
Surface area 4.2657753625086E+14
Volume 3.644011762149E+21
Height 14795935.038897