68721812 (number)

68721812 is an even 8-digits composite number following 68721811 and preceding 68721813. In scientific notation, it is written as 6.8721812 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 34336920 positive integers (up to 68721812) that are relatively prime to 68721812.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred twenty-one thousand eight hundred twelve

Notation

Scientific notation 6.8721812 × 10^7
Engineering notation 6.8721812 × 10^6

Prime Factorization of 68721812

Prime Factorization 2 × 2 × 1663 × 10331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 34360906
Product of the distinct prime numbers

The prime factorization of 68721812 is 2 × 2 × 1663 × 10331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 35, 98, 339, 640, 5332, 4636, 54004, 46402, 720866, 905048, 801648, 8211370, 94292029, 27684616, 128671744, 84102165, 4605734787, 7846027420

Basic calculations (n = 68721812)

Multiplication

n×y
n×2 137443624
n×3 206165436
n×4 274887248
n×5 343609060

Division

n÷y
n÷2 34360906
n÷3 22907270.666667
n÷3 17180453
n÷5 13744362.4

Exponentiation

ny
n2 4722687444563344
n3 3.2455163870004E+23
n4 2.2303776699036E+31
n5 1.5327559492011E+39

Nth Root

y√n
2√n 8289.862001264
3√n 409.60463970015
4√n 91.048679294452
5√n 36.933368604217

Divisors of 68721812

1, 2, 4, 1663, 3326, 6652, 10331, 20662, 41324, 17180453, 34360906, 68721812

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 -68721811
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 68721812 can be divided by 12 positive divisors. The sum of these divisors (counting 68721812) is 1, the average is 0.083333333333333.

Base conversion 68721812

Base System Value
2 Binary 100000110001001110010010100
3 Ternary 11210022102121022
4 Quaternary 10012021302110
5 Quinary 120043044222
6 Senary 10452540312
8 Octal 406116224
10 Decimal 68721812
12 Duodecimal 1b021698
16 Hexadecimal 4189c94
20 Vigesimal 119a4ac
36 Base36 14wy38

Cryptographic Hash Functions

md5 5d7e6ec9350cde7bcf4651dbb8e903a5
sha1 a56600c5d8672ea8196d25d6e7df92fbcbaacf40
sha256 b8f435d2f79fe176757fcdf7c19efa5f8b5fc2b4235493056b208f8bea378bd5
sha512 d97b7a8ea781904abb13be8267724b1de1d28fdced1ed2af8a72f8b0f4d3ed8d5cccfbbf5b3f0358bfb6d3507e87fc9e740befe5fdb1dc1c4cc5547b91712e24
ripemd-160 75e9591bbf8dd07a1ee00354da839c69af2be39a

68721812 as geometric shapes

Circle

Radius = n
Diameter 137443624
Circumference 431791879.44116
Area 1.4836760181041E+16

Sphere

Radius = n
Volume 1.3594787251341E+24
Surface area 5.9347040724164E+16
Circumference 431791879.44116

Square

Length = n
Perimeter 274887248
Area 4722687444563344
Diagonal 97187318.561254

Cube

Length = n
Surface area 28336124667380064
Volume 3.2455163870004E+23
Space diagonal 119029669.9722

Equilateral Triangle

Length = n
Perimeter 206165436
Area 2.0449836505628E+15
Altitude 59514834.986098

Triangular Pyramid

Length = n
Surface area 2.0449836505628E+15
Volume 3.8248777428334E+22
Height 32395772.853751