15221985 (number)

15221985 is an odd 8-digits composite number following 15221984 and preceding 15221986. In scientific notation, it is written as 1.5221985 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7898688 positive integers (up to 15221985) that are relatively prime to 15221985.

Interesting facts

Basic properties

Name

Name fifteen million two hundred twenty-one thousand nine hundred eighty-five

Notation

Scientific notation 1.5221985 × 10^7
Engineering notation 1.5221985 × 10^6

Prime Factorization of 15221985

Prime Factorization 5 × 3 × 37 × 27427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15221985
Product of the distinct prime numbers

The prime factorization of 15221985 is 5 × 3 × 37 × 27427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 96, 82, 342, 252, 8437, 7669, 50827, 24137, 363902, 554717, 2026921, 8579926, 17436960, 68887913, 105282437, 294497063, 6793047768, 5457363383

Basic calculations (n = 15221985)

Multiplication

n×y
n×2 30443970
n×3 45665955
n×4 60887940
n×5 76109925

Division

n÷y
n÷2 7610992.5
n÷3 5073995
n÷3 3805496.25
n÷5 3044397

Exponentiation

ny
n2 231708827340225
n3 3.5270682941405E+21
n4 5.3688980667382E+28
n5 8.1725285838418E+35

Nth Root

y√n
2√n 3901.5362358948
3√n 247.83183730819
4√n 62.462278503868
5√n 27.320853210804

Divisors of 15221985

1, 3, 5, 15, 37, 111, 185, 555, 27427, 82281, 137135, 411405, 1014799, 3044397, 5073995, 15221985

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 -15221984
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 15221985 can be divided by 16 positive divisors. The sum of these divisors (counting 15221985) is 1, the average is 0.0625.

Base conversion 15221985

Base System Value
2 Binary 111010000100010011100001
3 Ternary 1001122100122020
4 Quaternary 322010103201
5 Quinary 12344100420
6 Senary 1302132053
8 Octal 72042341
10 Decimal 15221985
12 Duodecimal 5121029
16 Hexadecimal e844e1
20 Vigesimal 4f2ej5
36 Base36 929cx

Cryptographic Hash Functions

md5 0e1174e82cc8fcfe7692ae8f21d6e258
sha1 cd94bcc640b3d8279d17c3c5d6b8b303b19b7a64
sha256 b8484d9f7c0c83b8c9145f8f060009c2d884178092e824d35065fb08a776d1be
sha512 b1a72d69f93636fd958f8f5f91d6944634b8866e421cccb34fd561c95ee54ed60526095b24e9bf12287de8d56938e09e470ec1d66d9bb6fc5b9f2cd9d168e69d
ripemd-160 a179c98622f9f0c03617d5101cf600a5f0785e94

15221985 as geometric shapes

Circle

Radius = n
Diameter 30443970
Circumference 95642552.498108
Area 7.2793474974396E+14

Sphere

Radius = n
Volume 1.4774149122108E+22
Surface area 2.9117389989758E+15
Circumference 95642552.498108

Square

Length = n
Perimeter 60887940
Area 231708827340225
Diagonal 21527137.63324

Cube

Length = n
Surface area 1390252964041350
Volume 3.5270682941405E+21
Space diagonal 26365251.412051

Equilateral Triangle

Length = n
Perimeter 45665955
Area 1.0033286537887E+14
Altitude 13182625.706026

Triangular Pyramid

Length = n
Surface area 1.0033286537887E+14
Volume 4.1566898474914E+20
Height 7175712.5444133