21997907 (number)

21997907 is an odd 8-digits composite number following 21997906 and preceding 21997908. In scientific notation, it is written as 2.1997907 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 21986976 positive integers (up to 21997907) that are relatively prime to 21997907.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-seven thousand nine hundred seven

Notation

Scientific notation 2.1997907 × 10^7
Engineering notation 2.1997907 × 10^6

Prime Factorization of 21997907

Prime Factorization 8273 × 2659

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21997907
Product of the distinct prime numbers

The prime factorization of 21997907 is 8273 × 2659. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21997907)

Multiplication

n×y
n×2 43995814
n×3 65993721
n×4 87991628
n×5 109989535

Division

n÷y
n÷2 10998953.5
n÷3 7332635.6666667
n÷3 5499476.75
n÷5 4399581.4

Exponentiation

ny
n2 483907912380649
n3 1.0644961253114E+22
n4 2.341668676646E+29
n5 5.1511809773671E+36

Nth Root

y√n
2√n 4690.1926399669
3√n 280.19504692264
4√n 68.48498112701
5√n 29.40873014834

Divisors of 21997907

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 -21997906
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 21997907 can be divided by 4 positive divisors. The sum of these divisors (counting 21997907) is 1, the average is 0.25.

Base conversion 21997907

Base System Value
2 Binary 1010011111010100101010011
3 Ternary 1112101121110022
4 Quaternary 1103322211103
5 Quinary 21112413112
6 Senary 2103254055
8 Octal 123724523
10 Decimal 21997907
12 Duodecimal 744a32b
16 Hexadecimal 14fa953
20 Vigesimal 6h9ef7
36 Base36 d3hoz

Cryptographic Hash Functions

md5 577bfb99e0072aaff20cf2cc3186da7f
sha1 0ce3f639c2af8038fa31ae94fc90f6ac7aba56bd
sha256 df32e9d5c516d847421b75ca122ceeef4c44cbd7d1a5a55f5a5bbbc8fbdcb67c
sha512 94bd2e99c7b822e74aa470fe5f6a98c65b1dbb6a10f7d189ae14b09ea3bb064bcd2ed7f5c05703827a6a5f11e6d93b556d82a0c1ab807e1e32aed4d32035d8ae
ripemd-160 226dd366914deb12263f66be7c822484af12c4ac

21997907 as geometric shapes

Circle

Radius = n
Diameter 43995814
Circumference 138216926.0511
Area 1.520241542549E+15

Sphere

Radius = n
Volume 4.4589509427373E+22
Surface area 6.0809661701961E+15
Circumference 138216926.0511

Square

Length = n
Perimeter 87991628
Area 483907912380649
Diagonal 31109738.423222

Cube

Length = n
Surface area 2903447474283894
Volume 1.0644961253114E+22
Space diagonal 38101492.584175

Equilateral Triangle

Length = n
Perimeter 65993721
Area 2.0953827260697E+14
Altitude 19050746.292088

Triangular Pyramid

Length = n
Surface area 2.0953827260697E+14
Volume 1.2545207145908E+21
Height 10369912.807741