15221491 (number)

15221491 is an odd 8-digits composite number following 15221490 and preceding 15221492. In scientific notation, it is written as 1.5221491 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 14652960 positive integers (up to 15221491) that are relatively prime to 15221491.

Interesting facts

Basic properties

Name

Name fifteen million two hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation 1.5221491 × 10^7
Engineering notation 1.5221491 × 10^6

Prime Factorization of 15221491

Prime Factorization 29 × 491 × 1069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15221491
Product of the distinct prime numbers

The prime factorization of 15221491 is 29 × 491 × 1069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15221491)

Multiplication

n×y
n×2 30442982
n×3 45664473
n×4 60885964
n×5 76107455

Division

n÷y
n÷2 7610745.5
n÷3 5073830.3333333
n÷3 3805372.75
n÷5 3044298.2

Exponentiation

ny
n2 231693788263081
n3 3.5267249128024E+21
n4 5.3682011519697E+28
n5 8.1712025520897E+35

Nth Root

y√n
2√n 3901.4729269854
3√n 247.82915631199
4√n 62.461771724675
5√n 27.320675879442

Divisors of 15221491

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15221490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15221491 can be divided by 8 positive divisors. The sum of these divisors (counting 15221491) is 1, the average is 0.125.

Base conversion 15221491

Base System Value
2 Binary 111010000100001011110011
3 Ternary 1001122022221221
4 Quaternary 322010023303
5 Quinary 12344041431
6 Senary 1302125511
8 Octal 72041363
10 Decimal 15221491
12 Duodecimal 5120897
16 Hexadecimal e842f3
20 Vigesimal 4f2deb
36 Base36 928z7

Cryptographic Hash Functions

md5 215586368c93ce85f45345250e95f46b
sha1 eee0502f5d469ce72dc38d2b5203c576334860f7
sha256 bf398f2e2dd09876e5d8b0752e358fee59129f2b789a2b997cfb26eb327391ca
sha512 c50fab214a8d41f69801bf66e81699cb3bcb728a09b2356ff315c47ec314be0b1426e305bf4f6aa088b7da4757541e6a02b85c6e1d510de85a5134bc5e2b0b9b
ripemd-160 dddbbe17c23fb3cfdc036c1544d2e926f338f4bb

15221491 as geometric shapes

Circle

Radius = n
Diameter 30442982
Circumference 95639448.604566
Area 7.2788750308968E+14

Sphere

Radius = n
Volume 1.4772710769723E+22
Surface area 2.9115500123587E+15
Circumference 95639448.604566

Square

Length = n
Perimeter 60885964
Area 231693788263081
Diagonal 21526439.01174

Cube

Length = n
Surface area 1390162729578486
Volume 3.5267249128024E+21
Space diagonal 26364395.778952

Equilateral Triangle

Length = n
Perimeter 45664473
Area 1.0032635326744E+14
Altitude 13182197.889476

Triangular Pyramid

Length = n
Surface area 1.0032635326744E+14
Volume 4.1562851687035E+20
Height 7175479.67058