68540921 (number)

68540921 is an odd 8-digits prime number following 68540920 and preceding 68540922. In scientific notation, it is written as 6.8540921 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 68540920 positive integers (up to 68540921) that are relatively prime to 68540921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8540921 × 10^7
Engineering notation 6.8540921 × 10^6

Prime Factorization of 68540921

Prime Factorization 68540921

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 68540921
Product of the distinct prime numbers

The prime factorization of 68540921 is 68540921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68540921)

Multiplication

n×y
n×2 137081842
n×3 205622763
n×4 274163684
n×5 342704605

Division

n÷y
n÷2 34270460.5
n÷3 22846973.666667
n÷3 17135230.25
n÷5 13708184.2

Exponentiation

ny
n2 4697857851528241
n3 3.2199550387083E+23
n4 2.2069868393166E+31
n5 1.5126891060164E+39

Nth Root

y√n
2√n 8278.9444375476
3√n 409.24493392227
4√n 90.988704999838
5√n 36.913904742097

Divisors of 68540921

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 68540922
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 34270461
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 8278.9444979418
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999708204
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68540921 can be divided by 2 positive divisors. The sum of these divisors (counting 68540921) is 68540922, the average is 34270461.

Base conversion 68540921

Base System Value
2 Binary 100000101011101100111111001
3 Ternary 11202222020110122
4 Quaternary 10011131213321
5 Quinary 120021302141
6 Senary 10445023025
8 Octal 405354771
10 Decimal 68540921
12 Duodecimal 1ab54a75
16 Hexadecimal 415d9f9
20 Vigesimal 1187c61
36 Base36 14t2ih

Cryptographic Hash Functions

md5 fb02cc18e431872f380498b78e1cde47
sha1 77a0281da6f1c54a58b3732fce8f7baac5322d1c
sha256 b57985aaa118d38563d8af98694bfa51a32dad895a59086a7602f80da4c74ca5
sha512 3ebe9401965bd88473338a08e092516c75b2f25ce1159bc06611d3eb86296835ab0b954c13523aa0bdd98469dbde74c5700a1f1b10277f6db52736599868f298
ripemd-160 9ab6dd3a86c123e05bf316543d0db808d586c6de

68540921 as geometric shapes

Circle

Radius = n
Diameter 137081842
Circumference 430655307.76776
Area 1.475875571397E+16

Sphere

Radius = n
Volume 1.3487716125994E+24
Surface area 5.9035022855881E+16
Circumference 430655307.76776

Square

Length = n
Perimeter 274163684
Area 4697857851528241
Diagonal 96931500.055743

Cube

Length = n
Surface area 28187147109169446
Volume 3.2199550387083E+23
Space diagonal 118716357.56956

Equilateral Triangle

Length = n
Perimeter 205622763
Area 2.0342321213958E+15
Altitude 59358178.784782

Triangular Pyramid

Length = n
Surface area 2.0342321213958E+15
Volume 3.7947534049773E+22
Height 32310500.018581