15491381 (number)

15491381 is an odd 8-digits composite number following 15491380 and preceding 15491382. In scientific notation, it is written as 1.5491381 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15387264 positive integers (up to 15491381) that are relatively prime to 15491381.

Interesting facts

Basic properties

Name

Name fifteen million four hundred ninety-one thousand three hundred eighty-one

Notation

Scientific notation 1.5491381 × 10^7
Engineering notation 1.5491381 × 10^6

Prime Factorization of 15491381

Prime Factorization 149 × 103969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15491381
Product of the distinct prime numbers

The prime factorization of 15491381 is 149 × 103969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15491381)

Multiplication

n×y
n×2 30982762
n×3 46474143
n×4 61965524
n×5 77456905

Division

n÷y
n÷2 7745690.5
n÷3 5163793.6666667
n÷3 3872845.25
n÷5 3098276.2

Exponentiation

ny
n2 239982885287161
n3 3.7176663094627E+21
n4 5.7591785230751E+28
n5 8.9217628747973E+35

Nth Root

y√n
2√n 3935.9091707
3√n 249.28532423435
4√n 62.736824678174
5√n 27.416879737903

Divisors of 15491381

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 -15491380
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 15491381 can be divided by 4 positive divisors. The sum of these divisors (counting 15491381) is 1, the average is 0.25.

Base conversion 15491381

Base System Value
2 Binary 111011000110000100110101
3 Ternary 1002011001011212
4 Quaternary 323012010311
5 Quinary 12431211011
6 Senary 1312011205
8 Octal 73060465
10 Decimal 15491381
12 Duodecimal 5230b05
16 Hexadecimal ec6135
20 Vigesimal 4gg891
36 Base36 98185

Cryptographic Hash Functions

md5 afa82ca036d2de97a049d55994dfc9a1
sha1 aa827851efd6e4e6d29503f22b426449d466ec23
sha256 6f9137cf75a3ea4effd68f1c23fc3e8fc7ddc8aa58f8d8c497f58b0803c893cb
sha512 cb5f67f46d20c551247b1718efcb28dde629645e73c1406ca3b1d28a44f2b64820ba5c5e39fdf5f7572ee861af923298dc7da1c118e2e465cf95af2fc40649d8
ripemd-160 cab54f53b33ab64ab1f28baf7cd1509580cdc137

15491381 as geometric shapes

Circle

Radius = n
Diameter 30982762
Circumference 97335217.487121
Area 7.5392846940543E+14

Sphere

Radius = n
Volume 1.5572524221742E+22
Surface area 3.0157138776217E+15
Circumference 97335217.487121

Square

Length = n
Perimeter 61965524
Area 239982885287161
Diagonal 21908121.110089

Cube

Length = n
Surface area 1439897311722966
Volume 3.7176663094627E+21
Space diagonal 26831858.971407

Equilateral Triangle

Length = n
Perimeter 46474143
Area 1.0391563756608E+14
Altitude 13415929.485704

Triangular Pyramid

Length = n
Surface area 1.0391563756608E+14
Volume 4.3813117626831E+20
Height 7302707.0366963