31381421 (number)

31381421 is an odd 8-digits composite number following 31381420 and preceding 31381422. In scientific notation, it is written as 3.1381421 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 31356000 positive integers (up to 31381421) that are relatively prime to 31381421.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation 3.1381421 × 10^7
Engineering notation 3.1381421 × 10^6

Prime Factorization of 31381421

Prime Factorization 1301 × 24121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31381421
Product of the distinct prime numbers

The prime factorization of 31381421 is 1301 × 24121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31381421)

Multiplication

n×y
n×2 62762842
n×3 94144263
n×4 125525684
n×5 156907105

Division

n÷y
n÷2 15690710.5
n÷3 10460473.666667
n÷3 7845355.25
n÷5 6276284.2

Exponentiation

ny
n2 984793583979241
n3 3.0904222056951E+22
n4 9.6981840304668E+29
n5 3.0434279599555E+37

Nth Root

y√n
2√n 5601.9122627903
3√n 315.42119183626
4√n 74.845923488125
5√n 31.57435743433

Divisors of 31381421

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 -31381420
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 31381421 can be divided by 4 positive divisors. The sum of these divisors (counting 31381421) is 1, the average is 0.25.

Base conversion 31381421

Base System Value
2 Binary 1110111101101011110101101
3 Ternary 2012001100012212
4 Quaternary 1313231132231
5 Quinary 31013201141
6 Senary 3040340205
8 Octal 167553655
10 Decimal 31381421
12 Duodecimal a614665
16 Hexadecimal 1ded7ad
20 Vigesimal 9g2db1
36 Base36 iom25

Cryptographic Hash Functions

md5 525e635af260459b99e4412a8f18928b
sha1 4c05530de4fd74448262583cedb04e9acc1a5c64
sha256 19f2575d8c5bb6558d1a1fca6e74ff998ae8723d5fb3eedfbf770c2cd11402e6
sha512 ae95c790a99382462f6f9bc9ccbe3853190b44126027438254b4f6a89f41cc53bf95e99a7eda2ccc3f5ea512d2cb8a28760cab37b9bf305ed3119f42814fe744
ripemd-160 08eb043be9b825f6884f87616ef4698f4dfdb8fa

31381421 as geometric shapes

Circle

Radius = n
Diameter 62762842
Circumference 197175283.34562
Area 3.0938202887315E+15

Sphere

Radius = n
Volume 1.294513026387E+23
Surface area 1.2375281154926E+16
Circumference 197175283.34562

Square

Length = n
Perimeter 125525684
Area 984793583979241
Diagonal 44380031.18474

Cube

Length = n
Surface area 5908761503875446
Volume 3.0904222056951E+22
Space diagonal 54354215.585709

Equilateral Triangle

Length = n
Perimeter 94144263
Area 4.2642813060497E+14
Altitude 27177107.792854

Triangular Pyramid

Length = n
Surface area 4.2642813060497E+14
Volume 3.6420974972942E+21
Height 14793343.728247