68722021 (number)

68722021 is an odd 8-digits composite number following 68722020 and preceding 68722022. In scientific notation, it is written as 6.8722021 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 67852044 positive integers (up to 68722021) that are relatively prime to 68722021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8722021 × 10^7
Engineering notation 6.8722021 × 10^6

Prime Factorization of 68722021

Prime Factorization 79 × 869899

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68722021
Product of the distinct prime numbers

The prime factorization of 68722021 is 79 × 869899. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68722021)

Multiplication

n×y
n×2 137444042
n×3 206166063
n×4 274888084
n×5 343610105

Division

n÷y
n÷2 34361010.5
n÷3 22907340.333333
n÷3 17180505.25
n÷5 13744404.2

Exponentiation

ny
n2 4722716170324441
n3 3.2455459983408E+23
n4 2.2304048025444E+31
n5 1.5327792567896E+39

Nth Root

y√n
2√n 8289.8746070131
3√n 409.60505493601
4√n 91.048748519752
5√n 36.933391068889

Divisors of 68722021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68722020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68722021 can be divided by 4 positive divisors. The sum of these divisors (counting 68722021) is 1, the average is 0.25.

Base conversion 68722021

Base System Value
2 Binary 100000110001001110101100101
3 Ternary 11210022102220001
4 Quaternary 10012021311211
5 Quinary 120043101041
6 Senary 10452541301
8 Octal 406116545
10 Decimal 68722021
12 Duodecimal 1b021831
16 Hexadecimal 4189d65
20 Vigesimal 119a511
36 Base36 14wy91

Cryptographic Hash Functions

md5 12f3966d3fc9575811e831e9b095fdc4
sha1 9d48c82ae5f5644d9f0d69b7a586e0794019b282
sha256 e5fff65d56cb69c9972728480a2a798bae853690933b5e146b8160252e4d3126
sha512 fcd6460471d2068f8d097ada0e9d4509b292db37bbae0a04accd48ec7b1b3b8d742e9136a9ca7e1f42fda693088f0e73065e4d02b8eb8e298a5b901e8e89481b
ripemd-160 0fd5cad17073fb34c8d4bfade33c3c3dd867c5a7

68722021 as geometric shapes

Circle

Radius = n
Diameter 137444042
Circumference 431793192.62689
Area 1.4836850425681E+16

Sphere

Radius = n
Volume 1.3594911287033E+24
Surface area 5.9347401702724E+16
Circumference 431793192.62689

Square

Length = n
Perimeter 274888084
Area 4722716170324441
Diagonal 97187614.131889

Cube

Length = n
Surface area 28336297021946646
Volume 3.2455459983408E+23
Space diagonal 119030031.97082

Equilateral Triangle

Length = n
Perimeter 206166063
Area 2.0449960891823E+15
Altitude 59515015.985408

Triangular Pyramid

Length = n
Surface area 2.0449960891823E+15
Volume 3.8249126401327E+22
Height 32395871.377296