78421916 (number)

78421916 is an even 8-digits composite number following 78421915 and preceding 78421917. In scientific notation, it is written as 7.8421916 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 37858800 positive integers (up to 78421916) that are relatively prime to 78421916.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred twenty-one thousand nine hundred sixteen

Notation

Scientific notation 7.8421916 × 10^7
Engineering notation 7.8421916 × 10^6

Prime Factorization of 78421916

Prime Factorization 2 × 2 × 29 × 676051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 39210958
Product of the distinct prime numbers

The prime factorization of 78421916 is 2 × 2 × 29 × 676051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78421916)

Multiplication

n×y
n×2 156843832
n×3 235265748
n×4 313687664
n×5 392109580

Division

n÷y
n÷2 39210958
n÷3 26140638.666667
n÷3 19605479
n÷5 15684383.2

Exponentiation

ny
n2 6149996909111056
n3 4.8229454100657E+23
n4 3.7822461982076E+31
n5 2.9661099364715E+39

Nth Root

y√n
2√n 8855.614941945
3√n 428.03486920035
4√n 94.104276958834
5√n 37.921673068359

Divisors of 78421916

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78421915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78421916 can be divided by 12 positive divisors. The sum of these divisors (counting 78421916) is 1, the average is 0.083333333333333.

Base conversion 78421916

Base System Value
2 Binary 100101011001001111110011100
3 Ternary 12110120020122102
4 Quaternary 10223021332130
5 Quinary 130034000131
6 Senary 11440504232
8 Octal 453117634
10 Decimal 78421916
12 Duodecimal 2231b078
16 Hexadecimal 4ac9f9c
20 Vigesimal 14a2efg
36 Base36 1aouqk

Cryptographic Hash Functions

md5 dbf36551ae739e59cc6c00746c73ca62
sha1 a21d05415ca41c333d393fbe78ce4787cae743af
sha256 da6ef991bed058bbb8224cd8394b433bc6e8bd15617ed2d41023e84c31adb61e
sha512 2b234232eaed8d0ce193ee360dbee6fcf4f615c7048fc27195d49b706856c6fc8f3f50e3e1c3523bb1c12d05e129f96255e13abd5827be9c7871af0f3595552a
ripemd-160 02959b3d621e9ffa2c6e942b755929e949d33dc5

78421916 as geometric shapes

Circle

Radius = n
Diameter 156843832
Circumference 492739430.37207
Area 1.9320785109263E+16

Sphere

Radius = n
Volume 2.0202306491903E+24
Surface area 7.7283140437053E+16
Circumference 492739430.37207

Square

Length = n
Perimeter 313687664
Area 6149996909111056
Diagonal 110905337.19448

Cube

Length = n
Surface area 36899981454666336
Volume 4.8229454100657E+23
Space diagonal 135830742.9389

Equilateral Triangle

Length = n
Perimeter 235265748
Area 2.663026778243E+15
Altitude 67915371.469449

Triangular Pyramid

Length = n
Surface area 2.663026778243E+15
Volume 5.6838956745833E+22
Height 36968445.731495