20909997 (number)

20909997 is an odd 8-digits composite number following 20909996 and preceding 20909998. In scientific notation, it is written as 2.0909997 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 13406400 positive integers (up to 20909997) that are relatively prime to 20909997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0909997 × 10^7
Engineering notation 2.0909997 × 10^6

Prime Factorization of 20909997

Prime Factorization 9 × 43 × 71 × 761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20909997
Product of the distinct prime numbers

The prime factorization of 20909997 is 9 × 43 × 71 × 761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 35, 69, 233, 266, 2416, 2769, 45682, 2680, 498200, 143647, 4741966, 9604230, 17329335, 38833569, 408898848, 793801554, 2009814927, 7735325637

Basic calculations (n = 20909997)

Multiplication

n×y
n×2 41819994
n×3 62729991
n×4 83639988
n×5 104549985

Division

n÷y
n÷2 10454998.5
n÷3 6969999
n÷3 5227499.25
n÷5 4181999.4

Exponentiation

ny
n2 437227974540009
n3 9.1424356359477E+21
n4 1.9116830172036E+29
n5 3.9973286154678E+36

Nth Root

y√n
2√n 4572.7450180389
3√n 275.49770804733
4√n 67.622074931482
5√n 29.111916311176

Divisors of 20909997

1, 9, 43, 71, 387, 639, 761, 3053, 6849, 27477, 32723, 54031, 294507, 486279, 2323333, 20909997

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20909996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20909997 can be divided by 16 positive divisors. The sum of these divisors (counting 20909997) is 1, the average is 0.0625.

Base conversion 20909997

Base System Value
2 Binary 1001111110000111110101101
3 Ternary 1110100100010100
4 Quaternary 1033300332231
5 Quinary 20323104442
6 Senary 2024101313
8 Octal 117607655
10 Decimal 20909997
12 Duodecimal 7004839
16 Hexadecimal 13f0fad
20 Vigesimal 6adejh
36 Base36 cg699

Cryptographic Hash Functions

md5 dfceee3a03f0eb15cb12af075fd4177f
sha1 a9f5a32591eeefcf10eb67d36089ac2c6997b2e7
sha256 64491beda81d20009c2b6b676352d0a37c26c9ab106fb403148f19260041500f
sha512 b808e34307fd17c47787f249edf910738a50803d6d1e088d79fdbcabb75f5b0a16cdf482159562f61dbdc8248e2cb7ce816d99e9d2c59f6e879f9541eb1bf0d8
ripemd-160 37c119abe6dd0a8dd376ced9ae7c5aa796e6f5ce

20909997 as geometric shapes

Circle

Radius = n
Diameter 41819994
Circumference 131381385.92357
Area 1.3735921927588E+15

Sphere

Radius = n
Volume 3.8295744839748E+22
Surface area 5.4943687710354E+15
Circumference 131381385.92357

Square

Length = n
Perimeter 83639988
Area 437227974540009
Diagonal 29571201.346581

Cube

Length = n
Surface area 2623367847240054
Volume 9.1424356359477E+21
Space diagonal 36217177.190113

Equilateral Triangle

Length = n
Perimeter 62729991
Area 1.8932526659843E+14
Altitude 18108588.595056

Triangular Pyramid

Length = n
Surface area 1.8932526659843E+14
Volume 1.0774463724567E+21
Height 9857067.1155269