31369987 (number)

31369987 is an odd 8-digits composite number following 31369986 and preceding 31369988. In scientific notation, it is written as 3.1369987 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28518160 positive integers (up to 31369987) that are relatively prime to 31369987.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred sixty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 3.1369987 × 10^7
Engineering notation 3.1369987 × 10^6

Prime Factorization of 31369987

Prime Factorization 11 × 2851817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31369987
Product of the distinct prime numbers

The prime factorization of 31369987 is 11 × 2851817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31369987)

Multiplication

n×y
n×2 62739974
n×3 94109961
n×4 125479948
n×5 156849935

Division

n÷y
n÷2 15684993.5
n÷3 10456662.333333
n÷3 7842496.75
n÷5 6273997.4

Exponentiation

ny
n2 984076084380169
n3 3.0870453974017E+22
n4 9.6840573984901E+29
n5 3.0378875469789E+37

Nth Root

y√n
2√n 5600.8916254468
3√n 315.38287867834
4√n 74.83910492147
5√n 31.572056239426

Divisors of 31369987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31369986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31369987 can be divided by 4 positive divisors. The sum of these divisors (counting 31369987) is 1, the average is 0.25.

Base conversion 31369987

Base System Value
2 Binary 1110111101010101100000011
3 Ternary 2012000202112101
4 Quaternary 1313222230003
5 Quinary 31012314422
6 Senary 3040211231
8 Octal 167525403
10 Decimal 31369987
12 Duodecimal a609b17
16 Hexadecimal 1deab03
20 Vigesimal 9g14j7
36 Base36 iod8j

Cryptographic Hash Functions

md5 b2be24978ff5ebcd62d729b573ae64f1
sha1 dc6d4ac5c851bd5ad2a4e17b2410346a78b5e119
sha256 d8aa6e1585b07c0042797aad3c00ab25255759cc64f3aee2632e88ce0209ff65
sha512 dcb3751edc31b7345e7bb98937edb880970cf0bf263db74fc470029245cb511a7c801870363f21e51a35fc82232d7711b944ce77e856b9841a6c3d9af83458fe
ripemd-160 700237184923e7d810876afaffb7314e6e0270ae

31369987 as geometric shapes

Circle

Radius = n
Diameter 62739974
Circumference 197103441.40481
Area 3.0915661972621E+15

Sphere

Radius = n
Volume 1.2930985522367E+23
Surface area 1.2366264789049E+16
Circumference 197103441.40481

Square

Length = n
Perimeter 125479948
Area 984076084380169
Diagonal 44363861.066868

Cube

Length = n
Surface area 5904456506281014
Volume 3.0870453974017E+22
Space diagonal 54334411.316775

Equilateral Triangle

Length = n
Perimeter 94109961
Area 4.2611744416497E+14
Altitude 27167205.658388

Triangular Pyramid

Length = n
Surface area 4.2611744416497E+14
Volume 3.6381178905557E+21
Height 14787953.688956