20931521 (number)

20931521 is an odd 8-digits composite number following 20931520 and preceding 20931522. In scientific notation, it is written as 2.0931521 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 18066240 positive integers (up to 20931521) that are relatively prime to 20931521.

Interesting facts

Basic properties

Name

Name twenty million nine hundred thirty-one thousand five hundred twenty-one

Notation

Scientific notation 2.0931521 × 10^7
Engineering notation 2.0931521 × 10^6

Prime Factorization of 20931521

Prime Factorization 19 × 13 × 83 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20931521
Product of the distinct prime numbers

The prime factorization of 20931521 is 19 × 13 × 83 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 68, 59, 295, 754, 997, 5891, 74062, 12939, 733596, 845410, 3706947, 6220162, 81291390, 38029246, 417561686, 411935729, 555466302, 1970948027

Basic calculations (n = 20931521)

Multiplication

n×y
n×2 41863042
n×3 62794563
n×4 83726084
n×5 104657605

Division

n÷y
n÷2 10465760.5
n÷3 6977173.6666667
n÷3 5232880.25
n÷5 4186304.2

Exponentiation

ny
n2 438128571373441
n3 9.1706973924032E+21
n4 1.9195664505373E+29
n5 4.0179445470317E+36

Nth Root

y√n
2√n 4575.0979224493
3√n 275.59220477993
4√n 67.639470152044
5√n 29.117907197201

Divisors of 20931521

1, 13, 19, 83, 247, 1021, 1079, 1577, 13273, 19399, 20501, 84743, 252187, 1101659, 1610117, 20931521

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 -20931520
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 20931521 can be divided by 16 positive divisors. The sum of these divisors (counting 20931521) is 1, the average is 0.0625.

Base conversion 20931521

Base System Value
2 Binary 1001111110110001111000001
3 Ternary 1110101102122112
4 Quaternary 1033312033001
5 Quinary 20324302041
6 Senary 2024345105
8 Octal 117661701
10 Decimal 20931521
12 Duodecimal 7015195
16 Hexadecimal 13f63c1
20 Vigesimal 6ag8g1
36 Base36 cgmv5

Cryptographic Hash Functions

md5 db3a75de2ab9b56dbd7fadcb52123307
sha1 4b6b68b300b7c6f100fb6fb5cfb5c31723aa150d
sha256 de9ece8001dc8cf4cea5b01dfb7b9358a3539a7ea262ab3600cece646468b545
sha512 f63ce15bd459c27cd5038ec0d1927f6ebef895f16874df644876bbea7ff8a5f475a1d7603f1941e49a884cae13b34c90e3fba78e667e4111abe872861fa022ad
ripemd-160 68df367d1ce5c754bd818af270d9ac408736c063

20931521 as geometric shapes

Circle

Radius = n
Diameter 41863042
Circumference 131516625.20412
Area 1.3764215011546E+15

Sphere

Radius = n
Volume 3.8414127408359E+22
Surface area 5.5056860046184E+15
Circumference 131516625.20412

Square

Length = n
Perimeter 83726084
Area 438128571373441
Diagonal 29601640.879297

Cube

Length = n
Surface area 2628771428240646
Volume 9.1706973924032E+21
Space diagonal 36254457.851695

Equilateral Triangle

Length = n
Perimeter 62794563
Area 1.8971523646659E+14
Altitude 18127228.925847

Triangular Pyramid

Length = n
Surface area 1.8971523646659E+14
Volume 1.0807770523963E+21
Height 9867213.6264324