15221978 (number)

15221978 is an even 8-digits composite number following 15221977 and preceding 15221979. In scientific notation, it is written as 1.5221978 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 7610988 positive integers (up to 15221978) that are relatively prime to 15221978.

Interesting facts

Basic properties

Name

Name fifteen million two hundred twenty-one thousand nine hundred seventy-eight

Notation

Scientific notation 1.5221978 × 10^7
Engineering notation 1.5221978 × 10^6

Prime Factorization of 15221978

Prime Factorization 2 × 7610989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15221978
Product of the distinct prime numbers

The prime factorization of 15221978 is 2 × 7610989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15221978)

Multiplication

n×y
n×2 30443956
n×3 45665934
n×4 60887912
n×5 76109890

Division

n÷y
n÷2 7610989
n÷3 5073992.6666667
n÷3 3805494.5
n÷5 3044395.6

Exponentiation

ny
n2 231708614232484
n3 3.5270634282574E+21
n4 5.3688881909538E+28
n5 8.1725097927159E+35

Nth Root

y√n
2√n 3901.5353388121
3√n 247.83179931877
4√n 62.462271322873
5√n 27.320850698044

Divisors of 15221978

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 -15221977
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 15221978 can be divided by 4 positive divisors. The sum of these divisors (counting 15221978) is 1, the average is 0.25.

Base conversion 15221978

Base System Value
2 Binary 111010000100010011011010
3 Ternary 1001122100121222
4 Quaternary 322010103122
5 Quinary 12344100403
6 Senary 1302132042
8 Octal 72042332
10 Decimal 15221978
12 Duodecimal 5121022
16 Hexadecimal e844da
20 Vigesimal 4f2eii
36 Base36 929cq

Cryptographic Hash Functions

md5 04c98dcb05c84ee94f9244f233e03ade
sha1 cb05beb843116140918b52ef845d15635845ff1d
sha256 f575ff5e17b020e37cb7c5bd9008e1162c9467ffa3b9a5ff648067b06f39db70
sha512 4ad15ec70973b12fd2af0f65b80f9f76a64639f96fbe8c97c0f3cc3eb1bf4e7274eb8dc9887d993041c400940ee4d4280667e25e5c289c6caeb3445fea535672
ripemd-160 8f799321d5a190fabe1fcd70b7f951a18aa65ac2

15221978 as geometric shapes

Circle

Radius = n
Diameter 30443956
Circumference 95642508.515811
Area 7.2793408024624E+14

Sphere

Radius = n
Volume 1.4774128739945E+22
Surface area 2.911736320985E+15
Circumference 95642508.515811

Square

Length = n
Perimeter 60887912
Area 231708614232484
Diagonal 21527127.733745

Cube

Length = n
Surface area 1390251685394904
Volume 3.5270634282574E+21
Space diagonal 26365239.287696

Equilateral Triangle

Length = n
Perimeter 45665934
Area 1.0033277310051E+14
Altitude 13182619.643848

Triangular Pyramid

Length = n
Surface area 1.0033277310051E+14
Volume 4.1566841129931E+20
Height 7175709.2445816