20997907 (number)

20997907 is an odd 8-digits composite number following 20997906 and preceding 20997908. In scientific notation, it is written as 2.0997907 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 15552000 positive integers (up to 20997907) that are relatively prime to 20997907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0997907 × 10^7
Engineering notation 2.0997907 × 10^6

Prime Factorization of 20997907

Prime Factorization 133 × 17 × 37 × 251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20997907
Product of the distinct prime numbers

The prime factorization of 20997907 is 133 × 17 × 37 × 251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 63, 2, 373, 464, 8177, 4302, 71723, 77505, 70470, 460184, 9946918, 659265, 45625932, 82963299, 880619272, 60050373, 4800268330, 7212973564

Basic calculations (n = 20997907)

Multiplication

n×y
n×2 41995814
n×3 62993721
n×4 83991628
n×5 104989535

Division

n÷y
n÷2 10498953.5
n÷3 6999302.3333333
n÷3 5249476.75
n÷5 4199581.4

Exponentiation

ny
n2 440912098380649
n3 9.2582312369717E+21
n4 1.9440347849843E+29
n5 4.0820661619865E+36

Nth Root

y√n
2√n 4582.3473242433
3√n 275.88325157438
4√n 67.693037487199
5√n 29.136353766377

Divisors of 20997907

1, 17, 37, 133, 251, 629, 2261, 4267, 4921, 9287, 33383, 83657, 157879, 567511, 1235171, 20997907

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 -20997906
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 20997907 can be divided by 16 positive divisors. The sum of these divisors (counting 20997907) is 1, the average is 0.0625.

Base conversion 20997907

Base System Value
2 Binary 1010000000110011100010011
3 Ternary 1110111210201021
4 Quaternary 1100012130103
5 Quinary 20333413112
6 Senary 2030020311
8 Octal 120063423
10 Decimal 20997907
12 Duodecimal 7047697
16 Hexadecimal 1406713
20 Vigesimal 6b4ef7
36 Base36 ci237

Cryptographic Hash Functions

md5 a2079974d3f5dfe857042b7e96cd8149
sha1 a825d5c77d948be323810aefbde17c59e7945d0b
sha256 025185bc484da5c402e4a53ecb6847b41e562ba25b506624b831abe28231fcd9
sha512 aaef5f05040e97afb23786ac565d690bdc6efc2d4a0e6590a54d6f069098030aaff648d403be3c30e8c010ba632f3aa04e98e80e6c213b4c649349764187fd06
ripemd-160 50f33cfb13f96758f0f904582f95a6b2696d9ef0

20997907 as geometric shapes

Circle

Radius = n
Diameter 41995814
Circumference 131933740.74392
Area 1.3851662091515E+15

Sphere

Radius = n
Volume 3.8780788319075E+22
Surface area 5.540664836606E+15
Circumference 131933740.74392

Square

Length = n
Perimeter 83991628
Area 440912098380649
Diagonal 29695524.860849

Cube

Length = n
Surface area 2645472590283894
Volume 9.2582312369717E+21
Space diagonal 36369441.776606

Equilateral Triangle

Length = n
Perimeter 62993721
Area 1.9092053901677E+14
Altitude 18184720.888303

Triangular Pyramid

Length = n
Surface area 1.9092053901677E+14
Volume 1.0910930149093E+21
Height 9898508.2869497