20681621 (number)

20681621 is an odd 8-digits prime number following 20681620 and preceding 20681622. In scientific notation, it is written as 2.0681621 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 20681620 positive integers (up to 20681621) that are relatively prime to 20681621.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand six hundred twenty-one

Notation

Scientific notation 2.0681621 × 10^7
Engineering notation 2.0681621 × 10^6

Prime Factorization of 20681621

Prime Factorization 20681621

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20681621
Product of the distinct prime numbers

The prime factorization of 20681621 is 20681621. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681621)

Multiplication

n×y
n×2 41363242
n×3 62044863
n×4 82726484
n×5 103408105

Division

n÷y
n÷2 10340810.5
n÷3 6893873.6666667
n÷3 5170405.25
n÷5 4136324.2

Exponentiation

ny
n2 427729447187641
n3 8.8461383172743E+21
n4 1.8295247999144E+29
n5 3.7837538521931E+36

Nth Root

y√n
2√n 4547.7050256146
3√n 274.49105204945
4√n 67.436674188564
5√n 29.048045424632

Divisors of 20681621

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20681622
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10340811
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4547.7051355601
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999032958
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681621 can be divided by 2 positive divisors. The sum of these divisors (counting 20681621) is 20681622, the average is 10340811.

Base conversion 20681621

Base System Value
2 Binary 1001110111001001110010101
3 Ternary 1102220201211222
4 Quaternary 1032321032111
5 Quinary 20243302441
6 Senary 2015140125
8 Octal 116711625
10 Decimal 20681621
12 Duodecimal 6b14645
16 Hexadecimal 13b9395
20 Vigesimal 695411
36 Base36 cba1h

Cryptographic Hash Functions

md5 dbd89dd907ad19c6898a45812f73b436
sha1 dc5b94fbf8026876ee8db666e652a294500a0a4e
sha256 29dec692d4987e20057b5d7e072954658a76c06b27c181825de0424edd07ab46
sha512 fa6ae2d7c21a9af75e75264c6c41cdfad4ceae9c480c133e573b3642f94b9d8b690d1ba6020ee46bd92b6787a670057bbf912dec02a8e617d43ede2f7143f30d
ripemd-160 108802395cc2a118d4b581f6809ea5f2def408d4

20681621 as geometric shapes

Circle

Radius = n
Diameter 41363242
Circumference 129946457.19586
Area 1.3437516890087E+15

Sphere

Radius = n
Volume 3.7054617533584E+22
Surface area 5.3750067560349E+15
Circumference 129946457.19586

Square

Length = n
Perimeter 82726484
Area 427729447187641
Diagonal 29248228.91006

Cube

Length = n
Surface area 2566376683125846
Volume 8.8461383172743E+21
Space diagonal 35821618.354883

Equilateral Triangle

Length = n
Perimeter 62044863
Area 1.8521228360559E+14
Altitude 17910809.177442

Triangular Pyramid

Length = n
Surface area 1.8521228360559E+14
Volume 1.0425273985765E+21
Height 9749409.6366867