78442947 (number)

78442947 is an odd 8-digits composite number following 78442946 and preceding 78442948. In scientific notation, it is written as 7.8442947 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 44271360 positive integers (up to 78442947) that are relatively prime to 78442947.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand nine hundred forty-seven

Notation

Scientific notation 7.8442947 × 10^7
Engineering notation 7.8442947 × 10^6

Prime Factorization of 78442947

Prime Factorization 9 × 11 × 17 × 127 × 367

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 78442947
Product of the distinct prime numbers

The prime factorization of 78442947 is 9 × 11 × 17 × 127 × 367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442947)

Multiplication

n×y
n×2 156885894
n×3 235328841
n×4 313771788
n×5 392214735

Division

n÷y
n÷2 39221473.5
n÷3 26147649
n÷3 19610736.75
n÷5 15688589.4

Exponentiation

ny
n2 6153295934044809
n3 4.8268266682959E+23
n4 3.7863050851932E+31
n5 2.9700892912364E+39

Nth Root

y√n
2√n 8856.8023010565
3√n 428.07312889952
4√n 94.110585488863
5√n 37.923706798746

Divisors of 78442947

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442947 can be divided by 32 positive divisors. The sum of these divisors (counting 78442947) is 1, the average is 0.03125.

Base conversion 78442947

Base System Value
2 Binary 100101011001111000111000011
3 Ternary 12110121022111100
4 Quaternary 10223033013003
5 Quinary 130040133242
6 Senary 11441145443
8 Octal 453170703
10 Decimal 78442947
12 Duodecimal 2232b283
16 Hexadecimal 4acf1c3
20 Vigesimal 14a5777
36 Base36 1apayr

Cryptographic Hash Functions

md5 ea76dcb140a69d724ce0acf7189b174a
sha1 50a01f62db26e5a0d86c58e185e1550c7de12736
sha256 a938444db7ea3db2a42c79306b516f65090aa2d56ddcda5e6f4b16c2bf1d936f
sha512 705ac8e59de50e70077685563b0c87925aac9632fd93bf2a3eea720a8765997c26c85a6c89a036bc86bb098fcd2751643f01d2afa859b193b8b513843c66eafb
ripemd-160 5dd7591554d0a85c50a2515da5884aaf66133c03

78442947 as geometric shapes

Circle

Radius = n
Diameter 156885894
Circumference 492871572.04227
Area 1.9331149301759E+16

Sphere

Radius = n
Volume 2.021856426836E+24
Surface area 7.7324597207036E+16
Circumference 492871572.04227

Square

Length = n
Perimeter 313771788
Area 6153295934044809
Diagonal 110935079.51991

Cube

Length = n
Surface area 36919775604268854
Volume 4.8268266682959E+23
Space diagonal 135867169.69943

Equilateral Triangle

Length = n
Perimeter 235328841
Area 2.6644552979432E+15
Altitude 67933584.849716

Triangular Pyramid

Length = n
Surface area 2.6644552979432E+15
Volume 5.6884697812735E+22
Height 36978359.839971