20921641 (number)

20921641 is an odd 8-digits composite number following 20921640 and preceding 20921642. In scientific notation, it is written as 2.0921641 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 18023040 positive integers (up to 20921641) that are relatively prime to 20921641.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred forty-one

Notation

Scientific notation 2.0921641 × 10^7
Engineering notation 2.0921641 × 10^6

Prime Factorization of 20921641

Prime Factorization 13 × 19 × 71 × 1193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921641
Product of the distinct prime numbers

The prime factorization of 20921641 is 13 × 19 × 71 × 1193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 15, 48, 700, 576, 1932, 3631, 23922, 93292, 695211, 610877, 6990649, 7585026, 42704977, 54454150, 37480915, 889317253, 2880415074, 4142568923

Basic calculations (n = 20921641)

Multiplication

n×y
n×2 41843282
n×3 62764923
n×4 83686564
n×5 104608205

Division

n÷y
n÷2 10460820.5
n÷3 6973880.3333333
n÷3 5230410.25
n÷5 4184328.2

Exponentiation

ny
n2 437715062132881
n3 9.1577173902368E+21
n4 1.9159447561799E+29
n5 4.0084708364629E+36

Nth Root

y√n
2√n 4574.0180366938
3√n 275.54883670195
4√n 67.631487021163
5√n 29.115157858009

Divisors of 20921641

1, 13, 19, 71, 247, 923, 1193, 1349, 15509, 17537, 22667, 84703, 294671, 1101139, 1609357, 20921641

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 -20921640
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 20921641 can be divided by 16 positive divisors. The sum of these divisors (counting 20921641) is 1, the average is 0.0625.

Base conversion 20921641

Base System Value
2 Binary 1001111110011110100101001
3 Ternary 1110100221002121
4 Quaternary 1033303310221
5 Quinary 20323443031
6 Senary 2024231241
8 Octal 117636451
10 Decimal 20921641
12 Duodecimal 700b521
16 Hexadecimal 13f3d29
20 Vigesimal 6af421
36 Base36 cgf8p

Cryptographic Hash Functions

md5 b3e326b0969b79548dae1c63e528b9f3
sha1 db39d7d31ad0f10ce8add876dff7395b58f05f36
sha256 7cf9c15eb954235d19b492f01e943f3b416a32749cf6061a8fbfcb6b512a9e29
sha512 f5adf1f3fcb49c96c2650e36eb38ed180618adfd5f870e115d1aa8f9391611eb3c2f87321b9e7450c89f374cbea8cb6e7cb2c2a1fae27024765f7bddc0e05274
ripemd-160 031b758c16a0e794465211f2ad25430231d6060c

20921641 as geometric shapes

Circle

Radius = n
Diameter 41843282
Circumference 131454547.33329
Area 1.3751224235623E+15

Sphere

Radius = n
Volume 3.8359756902426E+22
Surface area 5.500489694249E+15
Circumference 131454547.33329

Square

Length = n
Perimeter 83686564
Area 437715062132881
Diagonal 29587668.449301

Cube

Length = n
Surface area 2626290372797286
Volume 9.1577173902368E+21
Space diagonal 36237345.189716

Equilateral Triangle

Length = n
Perimeter 62764923
Area 1.8953618171308E+14
Altitude 18118672.594858

Triangular Pyramid

Length = n
Surface area 1.8953618171308E+14
Volume 1.0792473444711E+21
Height 9862556.149767