31151421 (number)

31151421 is an odd 8-digits composite number following 31151420 and preceding 31151422. In scientific notation, it is written as 3.1151421 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 17750016 positive integers (up to 31151421) that are relatively prime to 31151421.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred fifty-one thousand four hundred twenty-one

Notation

Scientific notation 3.1151421 × 10^7
Engineering notation 3.1151421 × 10^6

Prime Factorization of 31151421

Prime Factorization 9 × 7 × 769 × 643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31151421
Product of the distinct prime numbers

The prime factorization of 31151421 is 9 × 7 × 769 × 643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 95, 49, 366, 672, 5140, 7481, 65738, 83760, 379186, 896280, 3312448, 7036363, 2866765, 25952044, 233980111, 299465691, 3396849259, 2318572121

Basic calculations (n = 31151421)

Multiplication

n×y
n×2 62302842
n×3 93454263
n×4 124605684
n×5 155757105

Division

n÷y
n÷2 15575710.5
n÷3 10383807
n÷3 7787855.25
n÷5 6230284.2

Exponentiation

ny
n2 970411030319241
n3 3.0229682548518E+22
n4 9.4169756776525E+29
n5 2.9335217388131E+37

Nth Root

y√n
2√n 5581.3458054487
3√n 314.64870891147
4√n 74.708405186088
5√n 31.527938335525

Divisors of 31151421

1, 7, 9, 63, 643, 769, 4501, 5383, 5787, 6921, 40509, 48447, 494467, 3461269, 4450203, 31151421

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 -31151420
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 31151421 can be divided by 16 positive divisors. The sum of these divisors (counting 31151421) is 1, the average is 0.0625.

Base conversion 31151421

Base System Value
2 Binary 1110110110101010100111101
3 Ternary 2011121122201100
4 Quaternary 1312311110331
5 Quinary 30433321141
6 Senary 3031403313
8 Octal 166652475
10 Decimal 31151421
12 Duodecimal a523539
16 Hexadecimal 1db553d
20 Vigesimal 9edib1
36 Base36 ijol9

Cryptographic Hash Functions

md5 e3ec33f8d56c7704195ae752d94e8621
sha1 0b399ba767674f5a62987f844c7a96dd8902dee1
sha256 b46ffc5e278c2483b05f09028c6425924d11d88714ba640faa16df76354915f1
sha512 aca595f20e38f617ebbbacd7526c70d9bf6f9466b346961289e029a8e5b902798aa473c33f3d0dd14a444c2735ade9eb220f8b093c9ab5adc6f2e088ea6e4601
ripemd-160 d382eaa9644fa5fac21c127c2fb50f1dbf26d67e

31151421 as geometric shapes

Circle

Radius = n
Diameter 62302842
Circumference 195730150.72497
Area 3.0486361638134E+15

Sphere

Radius = n
Volume 1.2662579815304E+23
Surface area 1.2194544655254E+16
Circumference 195730150.72497

Square

Length = n
Perimeter 124605684
Area 970411030319241
Diagonal 44054762.065394

Cube

Length = n
Surface area 5822466181915446
Volume 3.0229682548518E+22
Space diagonal 53955843.899968

Equilateral Triangle

Length = n
Perimeter 93454263
Area 4.2020030218455E+14
Altitude 26977921.949984

Triangular Pyramid

Length = n
Surface area 4.2020030218455E+14
Volume 3.5626022538623E+21
Height 14684920.688465