68540920 (number)

68540920 is an even 8-digits composite number following 68540919 and preceding 68540921. In scientific notation, it is written as 6.8540920 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 64 positive divisors. There are 21643776 positive integers (up to 68540920) that are relatively prime to 68540920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8540920 × 10^7
Engineering notation 6.8540920 × 10^6

Prime Factorization of 68540920

Prime Factorization 2 × 2 × 2 × 5 × 161 × 29 × 367

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 17135230
Product of the distinct prime numbers

The prime factorization of 68540920 is 2 × 2 × 2 × 5 × 161 × 29 × 367. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 7, 45, 72, 880, 266, 747, 2815, 76433, 25933, 168444, 256715, 5409761, 2617783, 40670006, 8952006, 830337477, 187139624, 4361164067, 1338863169

Basic calculations (n = 68540920)

Multiplication

n×y
n×2 137081840
n×3 205622760
n×4 274163680
n×5 342704600

Division

n÷y
n÷2 34270460
n÷3 22846973.333333
n÷3 17135230
n÷5 13708184

Exponentiation

ny
n2 4697857714446400
n3 3.2199548977725E+23
n4 2.2069867105184E+31
n5 1.512688995667E+39

Nth Root

y√n
2√n 8278.9443771534
3√n 409.244931932
4√n 90.988704667961
5√n 36.913904634384

Divisors of 68540920

1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 161, 232, 290, 322, 367, 580, 644, 734, 805, 1160, 1288, 1468, 1610, 1835, 2936, 3220, 3670, 4669, 6440, 7340, 9338, 10643, 14680, 18676, 21286, 23345, 37352, 42572, 46690, 53215, 59087, 85144, 93380, 106430, 118174, 186760, 212860, 236348, 295435, 425720, 472696, 590870, 1181740, 1713523, 2363480, 3427046, 6854092, 8567615, 13708184, 17135230, 34270460, 68540920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68540919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68540920 can be divided by 64 positive divisors. The sum of these divisors (counting 68540920) is 1, the average is 0.015625.

Base conversion 68540920

Base System Value
2 Binary 100000101011101100111111000
3 Ternary 11202222020110121
4 Quaternary 10011131213320
5 Quinary 120021302140
6 Senary 10445023024
8 Octal 405354770
10 Decimal 68540920
12 Duodecimal 1ab54a74
16 Hexadecimal 415d9f8
20 Vigesimal 1187c60
36 Base36 14t2ig

Cryptographic Hash Functions

md5 7508b7044bf69b6e2226a7f6891500e4
sha1 8074bd936cbfe7a68cc1d8fa84ef8a1e89480d26
sha256 c71e8d0f71de488c1bcd9149ad40487821a1616be0949af9605cdaf560ddcd43
sha512 aef1b2fa697be2fb2f075ae38a7845f27b398cb359bfe3c43129e9b952a775e0b956bad301a61b05bea0cabd0e350b98577241fdcd3219e90fb9f9914046945c
ripemd-160 3a73cace7ab58fc581f9907fa92b90c02e79f324

68540920 as geometric shapes

Circle

Radius = n
Diameter 137081840
Circumference 430655301.48457
Area 1.4758755283315E+16

Sphere

Radius = n
Volume 1.3487715535644E+24
Surface area 5.903502113326E+16
Circumference 430655301.48457

Square

Length = n
Perimeter 274163680
Area 4697857714446400
Diagonal 96931498.641529

Cube

Length = n
Surface area 28187146286678400
Volume 3.2199548977725E+23
Space diagonal 118716355.83751

Equilateral Triangle

Length = n
Perimeter 205622760
Area 2.0342320620376E+15
Altitude 59358177.918757

Triangular Pyramid

Length = n
Surface area 2.0342320620376E+15
Volume 3.794753238883E+22
Height 32310499.547176