68540905 (number)

68540905 is an odd 8-digits composite number following 68540904 and preceding 68540906. In scientific notation, it is written as 6.8540905 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 54700800 positive integers (up to 68540905) that are relatively prime to 68540905.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred forty thousand nine hundred five

Notation

Scientific notation 6.8540905 × 10^7
Engineering notation 6.8540905 × 10^6

Prime Factorization of 68540905

Prime Factorization 5 × 421 × 32561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68540905
Product of the distinct prime numbers

The prime factorization of 68540905 is 5 × 421 × 32561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 45, 10, 803, 333, 7415, 6200, 97866, 11864, 647620, 702872, 6099159, 23455, 51047159, 36684804, 636790239, 729252622, 8893118777, 5465489176

Basic calculations (n = 68540905)

Multiplication

n×y
n×2 137081810
n×3 205622715
n×4 274163620
n×5 342704525

Division

n÷y
n÷2 34270452.5
n÷3 22846968.333333
n÷3 17135226.25
n÷5 13708181

Exponentiation

ny
n2 4697855658219025
n3 3.219952783737E+23
n4 2.2069847785461E+31
n5 1.5126873404277E+39

Nth Root

y√n
2√n 8278.9434712408
3√n 409.24490207794
4√n 90.988699689801
5√n 36.913903018681

Divisors of 68540905

1, 5, 421, 2105, 32561, 162805, 13708181, 68540905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68540904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68540905 can be divided by 8 positive divisors. The sum of these divisors (counting 68540905) is 1, the average is 0.125.

Base conversion 68540905

Base System Value
2 Binary 100000101011101100111101001
3 Ternary 11202222020110001
4 Quaternary 10011131213221
5 Quinary 120021302110
6 Senary 10445023001
8 Octal 405354751
10 Decimal 68540905
12 Duodecimal 1ab54a61
16 Hexadecimal 415d9e9
20 Vigesimal 1187c55
36 Base36 14t2i1

Cryptographic Hash Functions

md5 bc3cb3ae256285bfd4f86416662f3e6d
sha1 94b9ebebc3de2f18d0da7e2e2ff31d5cd3133449
sha256 f58e3bf202bc3bc664ea6a686da4fd575ef8c681299b1136a8b7cfb98a26d2b3
sha512 a66a82c60484639464524f32a155750f91f72ce1ac97991fa1806e4a0d3261ba053cc86543afafd3394305f4612fc1eb40ddfe3498913a82f586d8da3f7d5747
ripemd-160 da77938a7cbc1c115a0b1b9bbad8af922a45b31b

68540905 as geometric shapes

Circle

Radius = n
Diameter 137081810
Circumference 430655207.23679
Area 1.4758748823486E+16

Sphere

Radius = n
Volume 1.3487706680392E+24
Surface area 5.9034995293945E+16
Circumference 430655207.23679

Square

Length = n
Perimeter 274163620
Area 4697855658219025
Diagonal 96931477.428326

Cube

Length = n
Surface area 28187133949314150
Volume 3.219952783737E+23
Space diagonal 118716329.85675

Equilateral Triangle

Length = n
Perimeter 205622715
Area 2.0342311716651E+15
Altitude 59358164.928376

Triangular Pyramid

Length = n
Surface area 2.0342311716651E+15
Volume 3.7947507474683E+22
Height 32310492.476109