20571921 (number)

20571921 is an odd 8-digits composite number following 20571920 and preceding 20571922. In scientific notation, it is written as 2.0571921 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 12907584 positive integers (up to 20571921) that are relatively prime to 20571921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0571921 × 10^7
Engineering notation 2.0571921 × 10^6

Prime Factorization of 20571921

Prime Factorization 3 × 9 × 17 × 44819

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20571921
Product of the distinct prime numbers

The prime factorization of 20571921 is 3 × 9 × 17 × 44819. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 98, 78, 781, 968, 7483, 8747, 37901, 5747, 885303, 41644, 5352646, 6205628, 2974611, 89953527, 312224998, 65378645, 8514686393, 616115070

Basic calculations (n = 20571921)

Multiplication

n×y
n×2 41143842
n×3 61715763
n×4 82287684
n×5 102859605

Division

n÷y
n÷2 10285960.5
n÷3 6857307
n÷3 5142980.25
n÷5 4114384.2

Exponentiation

ny
n2 423203933630241
n3 8.7061178895306E+21
n4 1.7910156944011E+29
n5 3.6844633374979E+36

Nth Root

y√n
2√n 4535.6279609333
3√n 274.00487053342
4√n 67.347070915767
5√n 29.017164353009

Divisors of 20571921

1, 3, 9, 17, 27, 51, 153, 459, 44819, 134457, 403371, 761923, 1210113, 2285769, 6857307, 20571921

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 -20571920
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 20571921 can be divided by 16 positive divisors. The sum of these divisors (counting 20571921) is 1, the average is 0.0625.

Base conversion 20571921

Base System Value
2 Binary 1001110011110011100010001
3 Ternary 1102201011101000
4 Quaternary 1032132130101
5 Quinary 20231300141
6 Senary 2012532213
8 Octal 116363421
10 Decimal 20571921
12 Duodecimal 6a81069
16 Hexadecimal 139e711
20 Vigesimal 68b9g1
36 Base36 c8xe9

Cryptographic Hash Functions

md5 2bf152afd1f3032e53e8e429e9a9ef26
sha1 d64355c6b99d9a4b410d364d950773a6c88efd9e
sha256 3c7f6b50696f471d9dd0bd7a080f2e514d43d37507d9e62e6abf43ac7d781a3f
sha512 4096c2d9106dddb88ba2ffee458fa08597e8635a4e85c3a6efe08d3287efcc9628caaca8663d52a0d0d0ed2cc87f7094a04e84303076ff13d5d547ad43087ac3
ripemd-160 349dde74ea8ce2ca89f6a46effe4a806b3862b95

20571921 as geometric shapes

Circle

Radius = n
Diameter 41143842
Circumference 129257191.76766
Area 1.3295343688631E+15

Sphere

Radius = n
Volume 3.6468101337381E+22
Surface area 5.3181374754523E+15
Circumference 129257191.76766

Square

Length = n
Perimeter 82287684
Area 423203933630241
Diagonal 29093089.682268

Cube

Length = n
Surface area 2539223601781446
Volume 8.7061178895306E+21
Space diagonal 35631612.381293

Equilateral Triangle

Length = n
Perimeter 61715763
Area 1.8325267875265E+14
Altitude 17815806.190647

Triangular Pyramid

Length = n
Surface area 1.8325267875265E+14
Volume 1.0260258329161E+21
Height 9697696.560756