8720121 (number)

8720121 is an odd 7-digits composite number following 8720120 and preceding 8720122. In scientific notation, it is written as 8.720121 × 10^6. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 5813412 positive integers (up to 8720121) that are relatively prime to 8720121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.720121 × 10^6
Engineering notation 8.720121 × 10^6

Prime Factorization of 8720121

Prime Factorization 3 × 2906707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 8720121
Product of the distinct prime numbers

The prime factorization of 8720121 is 3 × 2906707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8720121)

Multiplication

n×y
n×2 17440242
n×3 26160363
n×4 34880484
n×5 43600605

Division

n÷y
n÷2 4360060.5
n÷3 2906707
n÷3 2180030.25
n÷5 1744024.2

Exponentiation

ny
n2 76040510254641
n3 6.6308245032221E+20
n4 5.7821591997862E+27
n5 5.0421127863399E+34

Nth Root

y√n
2√n 2952.9850998608
3√n 205.82944534536
4√n 54.341375579395
5√n 24.440185746752

Divisors of 8720121

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 -8720120
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 8720121 can be divided by 4 positive divisors. The sum of these divisors (counting 8720121) is 1, the average is 0.25.

Base conversion 8720121

Base System Value
2 Binary 100001010000111011111001
3 Ternary 121102000202110
4 Quaternary 201100323321
5 Quinary 4213020441
6 Senary 510522533
8 Octal 41207371
10 Decimal 8720121
12 Duodecimal 2b06449
16 Hexadecimal 850ef9
20 Vigesimal 2ea061
36 Base36 56whl

Cryptographic Hash Functions

md5 68f596b00f49ed0e31e29c57df870f08
sha1 03bdd4a0565b71c4d49ba635a8ed330bef4dc58a
sha256 de45ecfcbf699e680ce5cfb7446e0d2c328f8d057e92eeb9f8c9b94b81bec72b
sha512 54761e0c03e7942f3d9c49c7a15c67996611bcf3a5e9872c970e7cd198b62671b301fa3dfbd90044874977f14ac3b6c637b2a8e314f638f2f8c7592989d5b4c7
ripemd-160 8c0c5b710e7700d76802bce1bd46ebc85a350579

8720121 as geometric shapes

Circle

Radius = n
Diameter 17440242
Circumference 54790136.144028
Area 2.388883083912E+14

Sphere

Radius = n
Volume 2.7775132728754E+21
Surface area 9.555532335648E+14
Circumference 54790136.144028

Square

Length = n
Perimeter 34880484
Area 76040510254641
Diagonal 12332113.383734

Cube

Length = n
Surface area 456243061527846
Volume 6.6308245032221E+20
Space diagonal 15103692.620148

Equilateral Triangle

Length = n
Perimeter 26160363
Area 32926506798625
Altitude 7551846.3100742

Triangular Pyramid

Length = n
Surface area 32926506798625
Volume 7.8145016184771E+19
Height 4110704.4612448