20921970 (number)

20921970 is an even 8-digits composite number following 20921969 and preceding 20921971. In scientific notation, it is written as 2.0921970 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5579184 positive integers (up to 20921970) that are relatively prime to 20921970.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921970 × 10^7
Engineering notation 2.0921970 × 10^6

Prime Factorization of 20921970

Prime Factorization 2 × 3 × 5 × 697399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921970
Product of the distinct prime numbers

The prime factorization of 20921970 is 2 × 3 × 5 × 697399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 69, 41, 218, 760, 9840, 6972, 36565, 10591, 213628, 797158, 6317388, 1404231, 65101384, 20746174, 248970120, 509397784, 255268013, 4476563827

Basic calculations (n = 20921970)

Multiplication

n×y
n×2 41843940
n×3 62765910
n×4 83687880
n×5 104609850

Division

n÷y
n÷2 10460985
n÷3 6973990
n÷3 5230492.5
n÷5 4184394

Exponentiation

ny
n2 437728828680900
n3 9.1581494217969E+21
n4 1.9160652745835E+29
n5 4.0087860192878E+36

Nth Root

y√n
2√n 4574.0540005557
3√n 275.55028106112
4√n 67.631752901694
5√n 29.115249426607

Divisors of 20921970

1, 2, 3, 5, 6, 10, 15, 30, 697399, 1394798, 2092197, 3486995, 4184394, 6973990, 10460985, 20921970

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 -20921969
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 20921970 can be divided by 16 positive divisors. The sum of these divisors (counting 20921970) is 1, the average is 0.0625.

Base conversion 20921970

Base System Value
2 Binary 1001111110011111001110010
3 Ternary 1110100221112210
4 Quaternary 1033303321302
5 Quinary 20324000340
6 Senary 2024232550
8 Octal 117637162
10 Decimal 20921970
12 Duodecimal 700b756
16 Hexadecimal 13f3e72
20 Vigesimal 6af4ia
36 Base36 cgfhu

Cryptographic Hash Functions

md5 2c42daba257866958890b5893c01f8c9
sha1 c3e67640817a380db251f3bec327e825cb71f5f2
sha256 a18be56ca92b7702fdec89a32b4462a07cbeba2dc508abb44ec142f570ec430d
sha512 685963d1582c1db22a22251a323f0ead15132799fb92355de432a3472003ade6cd806b8226498f05098c49f45a1a3e3aece64f38a99c4c911a0bb4cf8ebb0000
ripemd-160 da2de1dfc0bffd4455e0ba7ce5b7ca61cb51b904

20921970 as geometric shapes

Circle

Radius = n
Diameter 41843940
Circumference 131456614.50125
Area 1.3751656724484E+15

Sphere

Radius = n
Volume 3.8361566591993E+22
Surface area 5.5006626897935E+15
Circumference 131456614.50125

Square

Length = n
Perimeter 83687880
Area 437728828680900
Diagonal 29588133.725563

Cube

Length = n
Surface area 2626372972085400
Volume 9.1581494217969E+21
Space diagonal 36237915.034432

Equilateral Triangle

Length = n
Perimeter 62765910
Area 1.8954214280323E+14
Altitude 18118957.517216

Triangular Pyramid

Length = n
Surface area 1.8954214280323E+14
Volume 1.0792982598787E+21
Height 9862711.2418543