20921475 (number)

20921475 is an odd 8-digits composite number following 20921474 and preceding 20921476. In scientific notation, it is written as 2.0921475 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10291200 positive integers (up to 20921475) that are relatively prime to 20921475.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921475 × 10^7
Engineering notation 2.0921475 × 10^6

Prime Factorization of 20921475

Prime Factorization 255 × 5 × 61 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921475
Product of the distinct prime numbers

The prime factorization of 20921475 is 255 × 5 × 61 × 269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 92, 79, 809, 443, 1995, 7087, 96563, 59694, 733496, 381030, 9733291, 6782668, 96134902, 8349801, 917342728, 688831577, 477320395, 1612516082

Basic calculations (n = 20921475)

Multiplication

n×y
n×2 41842950
n×3 62764425
n×4 83685900
n×5 104607375

Division

n÷y
n÷2 10460737.5
n÷3 6973825
n÷3 5230368.75
n÷5 4184295

Exponentiation

ny
n2 437708116175625
n3 9.1574994098654E+21
n4 1.9158839496601E+29
n5 4.0083118155716E+36

Nth Root

y√n
2√n 4573.9998906865
3√n 275.54810793139
4√n 67.631352867487
5√n 29.115111655786

Divisors of 20921475

1, 5, 61, 255, 269, 305, 1275, 1345, 15555, 16409, 68595, 77775, 82045, 342975, 4184295, 20921475

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 -20921474
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 20921475 can be divided by 16 positive divisors. The sum of these divisors (counting 20921475) is 1, the average is 0.0625.

Base conversion 20921475

Base System Value
2 Binary 1001111110011110010000011
3 Ternary 1110100220212110
4 Quaternary 1033303302003
5 Quinary 20323441400
6 Senary 2024230403
8 Octal 117636203
10 Decimal 20921475
12 Duodecimal 700b403
16 Hexadecimal 13f3c83
20 Vigesimal 6af3df
36 Base36 cgf43

Cryptographic Hash Functions

md5 3e3041bd7a87453160b941236fa05141
sha1 6e8cfe6c8c1f29fd544138aee58bb0f3801c0249
sha256 3846bd04f1fffaca56bfa6a4a3f59171ff162ed100fca5b6a92c024fbe2984bb
sha512 e7312e564f2f014a82af9fa8fceaa5512d4a4732d372c1e58b1628baedb60bf7c9a199428d1c5813b46df4f36f566d003fd9073730fad4b22d8c743a35fa58ce
ripemd-160 42f1a3efeb51b29ad060e441bc7b0a32071fc664

20921475 as geometric shapes

Circle

Radius = n
Diameter 41842950
Circumference 131453504.32453
Area 1.375100602194E+15

Sphere

Radius = n
Volume 3.8358843828381E+22
Surface area 5.5004024087759E+15
Circumference 131453504.32453

Square

Length = n
Perimeter 83685900
Area 437708116175625
Diagonal 29587433.68985

Cube

Length = n
Surface area 2626248697053750
Volume 9.1574994098654E+21
Space diagonal 36237057.669282

Equilateral Triangle

Length = n
Perimeter 62764425
Area 1.8953317402536E+14
Altitude 18118528.834641

Triangular Pyramid

Length = n
Surface area 1.8953317402536E+14
Volume 1.0792216552379E+21
Height 9862477.8966166