78121808 (number)

78121808 is an even 8-digits composite number following 78121807 and preceding 78121809. In scientific notation, it is written as 7.8121808 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 39024384 positive integers (up to 78121808) that are relatively prime to 78121808.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred twenty-one thousand eight hundred eight

Notation

Scientific notation 7.8121808 × 10^7
Engineering notation 7.8121808 × 10^6

Prime Factorization of 78121808

Prime Factorization 2 × 2 × 2 × 2 × 1709 × 2857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 9765226
Product of the distinct prime numbers

The prime factorization of 78121808 is 2 × 2 × 2 × 2 × 1709 × 2857. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 48, 64, 738, 250, 2281, 117, 72959, 11911, 117376, 157962, 8018537, 8616508, 96201980, 79896013, 288546783, 965736360, 8356661126, 1640266462

Basic calculations (n = 78121808)

Multiplication

n×y
n×2 156243616
n×3 234365424
n×4 312487232
n×5 390609040

Division

n÷y
n÷2 39060904
n÷3 26040602.666667
n÷3 19530452
n÷5 15624361.6

Exponentiation

ny
n2 6103016885188864
n3 4.7677871332548E+23
n4 3.72468151009E+31
n5 2.909788537924E+39

Nth Root

y√n
2√n 8838.6541961998
3√n 427.48816446378
4√n 94.01411700484
5√n 37.892604514993

Divisors of 78121808

1, 2, 4, 8, 16, 1709, 2857, 3418, 5714, 6836, 11428, 13672, 22856, 27344, 45712, 4882613, 9765226, 19530452, 39060904, 78121808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78121807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78121808 can be divided by 20 positive divisors. The sum of these divisors (counting 78121808) is 1, the average is 0.05.

Base conversion 78121808

Base System Value
2 Binary 100101010000000101101010000
3 Ternary 12102222222222022
4 Quaternary 10222000231100
5 Quinary 124444344213
6 Senary 11430231012
8 Octal 452005520
10 Decimal 78121808
12 Duodecimal 221b5468
16 Hexadecimal 4a80b50
20 Vigesimal 14854a8
36 Base36 1aif68

Cryptographic Hash Functions

md5 b5c60dc54304b0caf47a3f7c5a4a6bcf
sha1 63e88f397f2b752b1396a986711fc465066e0a48
sha256 3cc1bcf2a08e10b49c0095b4fec770cd147ec192fcc3e4f38a778b79ed64eb62
sha512 1ec89dbb77d7304b8c41e0fa9cba689487db596cbbc10e433163f5f4c34b58b19ebad644f689f15e4e7240786beddd5bf12b5927d726410c3327e91afe76032e
ripemd-160 06ef4a15d60d3336e5896849a6174ca671a18d8c

78121808 as geometric shapes

Circle

Radius = n
Diameter 156243616
Circumference 490853796.1959
Area 1.9173193011244E+16

Sphere

Radius = n
Volume 1.9971260042284E+24
Surface area 7.6692772044975E+16
Circumference 490853796.1959

Square

Length = n
Perimeter 312487232
Area 6103016885188864
Diagonal 110480920.39071

Cube

Length = n
Surface area 36618101311133184
Volume 4.7677871332548E+23
Space diagonal 135310940.63514

Equilateral Triangle

Length = n
Perimeter 234365424
Area 2.6426838311495E+15
Altitude 67655470.31757

Triangular Pyramid

Length = n
Surface area 2.6426838311495E+15
Volume 5.6188910219641E+22
Height 36826973.463569