78442938 (number)

78442938 is an even 8-digits composite number following 78442937 and preceding 78442939. In scientific notation, it is written as 7.8442938 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 22412160 positive integers (up to 78442938) that are relatively prime to 78442938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8442938 × 10^7
Engineering notation 7.8442938 × 10^6

Prime Factorization of 78442938

Prime Factorization 2 × 3 × 63 × 207521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78442938
Product of the distinct prime numbers

The prime factorization of 78442938 is 2 × 3 × 63 × 207521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 64, 32, 609, 465, 3132, 833, 75698, 54272, 310737, 449614, 5448340, 3670286, 78270393, 48179571, 539655309, 982199752, 5457424974, 7240087881

Basic calculations (n = 78442938)

Multiplication

n×y
n×2 156885876
n×3 235328814
n×4 313771752
n×5 392214690

Division

n÷y
n÷2 39221469
n÷3 26147646
n÷3 19610734.5
n÷5 15688587.6

Exponentiation

ny
n2 6153294522071844
n3 4.8268250069062E+23
n4 3.7863033475359E+31
n5 2.9700875873995E+39

Nth Root

y√n
2√n 8856.8017929725
3√n 428.07311252814
4√n 94.110582789463
5√n 37.923705928526

Divisors of 78442938

1, 2, 3, 6, 63, 126, 189, 378, 207521, 415042, 622563, 1245126, 13073823, 26147646, 39221469, 78442938

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 -78442937
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 78442938 can be divided by 16 positive divisors. The sum of these divisors (counting 78442938) is 1, the average is 0.0625.

Base conversion 78442938

Base System Value
2 Binary 100101011001111000110111010
3 Ternary 12110121022111000
4 Quaternary 10223033012322
5 Quinary 130040133223
6 Senary 11441145430
8 Octal 453170672
10 Decimal 78442938
12 Duodecimal 2232b276
16 Hexadecimal 4acf1ba
20 Vigesimal 14a576i
36 Base36 1apayi

Cryptographic Hash Functions

md5 b8433d023b7356744de91e57ae2f8a61
sha1 b2d8d894dff0978bbaa009d0a27f96db1f772867
sha256 7a8aa34372d6416e6860336dbbc35634b6eb584c7b1039c47853e03ac90fc772
sha512 c4ce33c1abd08cfbd8e7c9d7d2e645047df753f58563b7ec9093711381ee86db2af029d6704f483c4af734c7f8070fac7c4fa116cced26d4432d374ba95ddc7c
ripemd-160 acab3574a501008723c5d55be70f86c1143e4a8b

78442938 as geometric shapes

Circle

Radius = n
Diameter 156885876
Circumference 492871515.4936
Area 1.9331144865915E+16

Sphere

Radius = n
Volume 2.0218557309147E+24
Surface area 7.7324579463661E+16
Circumference 492871515.4936

Square

Length = n
Perimeter 313771752
Area 6153294522071844
Diagonal 110935066.79199

Cube

Length = n
Surface area 36919767132431064
Volume 4.8268250069062E+23
Space diagonal 135867154.11098

Equilateral Triangle

Length = n
Perimeter 235328814
Area 2.6644546865409E+15
Altitude 67933577.055488

Triangular Pyramid

Length = n
Surface area 2.6644546865409E+15
Volume 5.688467823307E+22
Height 36978355.597331