78442921 (number)

78442921 is an odd 8-digits composite number following 78442920 and preceding 78442922. In scientific notation, it is written as 7.8442921 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 78365952 positive integers (up to 78442921) that are relatively prime to 78442921.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand nine hundred twenty-one

Notation

Scientific notation 7.8442921 × 10^7
Engineering notation 7.8442921 × 10^6

Prime Factorization of 78442921

Prime Factorization 1033 × 75937

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78442921
Product of the distinct prime numbers

The prime factorization of 78442921 is 1033 × 75937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442921)

Multiplication

n×y
n×2 156885842
n×3 235328763
n×4 313771684
n×5 392214605

Division

n÷y
n÷2 39221460.5
n÷3 26147640.333333
n÷3 19610730.25
n÷5 15688584.2

Exponentiation

ny
n2 6153291855012241
n3 4.8268218687267E+23
n4 3.786300065296E+31
n5 2.9700843690431E+39

Nth Root

y√n
2√n 8856.800833258
3√n 428.07308160441
4√n 94.110577690598
5√n 37.923704284775

Divisors of 78442921

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 -78442920
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 78442921 can be divided by 4 positive divisors. The sum of these divisors (counting 78442921) is 1, the average is 0.25.

Base conversion 78442921

Base System Value
2 Binary 100101011001111000110101001
3 Ternary 12110121022110101
4 Quaternary 10223033012221
5 Quinary 130040133141
6 Senary 11441145401
8 Octal 453170651
10 Decimal 78442921
12 Duodecimal 2232b261
16 Hexadecimal 4acf1a9
20 Vigesimal 14a5761
36 Base36 1apay1

Cryptographic Hash Functions

md5 e84975ebc972f4d7a30857ed6ebf59f9
sha1 db615c28e7e9801bd5c4285781ae020ec3fda280
sha256 46616bce43e4e030590a3474b1d18ac3698bc2f6428a920fc4b635e4b39d83aa
sha512 ef73f9fd9e22b8e9d451b2beff7e87a0a2195fe5e74b5bc819af88b1a8525eee60b6493b3ab5ede7ca5040f367c1bad18de62de842fcf18c731f12b7275d47af
ripemd-160 2cd7f775d9deb3064f0d0448bb3235f16e52db7f

78442921 as geometric shapes

Circle

Radius = n
Diameter 156885842
Circumference 492871408.67945
Area 1.93311364871E+16

Sphere

Radius = n
Volume 2.0218544163971E+24
Surface area 7.7324545948401E+16
Circumference 492871408.67945

Square

Length = n
Perimeter 313771684
Area 6153291855012241
Diagonal 110935042.75036

Cube

Length = n
Surface area 36919751130073446
Volume 4.8268218687267E+23
Space diagonal 135867124.66611

Equilateral Triangle

Length = n
Perimeter 235328763
Area 2.6644535316702E+15
Altitude 67933562.333056

Triangular Pyramid

Length = n
Surface area 2.6644535316702E+15
Volume 5.6884641249269E+22
Height 36978347.583454