21998145 (number)

21998145 is an odd 8-digits composite number following 21998144 and preceding 21998146. In scientific notation, it is written as 2.1998145 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 10708992 positive integers (up to 21998145) that are relatively prime to 21998145.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand one hundred forty-five

Notation

Scientific notation 2.1998145 × 10^7
Engineering notation 2.1998145 × 10^6

Prime Factorization of 21998145

Prime Factorization 3 × 65 × 97 × 1163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21998145
Product of the distinct prime numbers

The prime factorization of 21998145 is 3 × 65 × 97 × 1163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 72, 64, 673, 475, 7049, 8005, 26642, 17193, 653409, 156909, 1964209, 9374154, 35413830, 56891800, 179396951, 771632145, 6271885845, 4367539700

Basic calculations (n = 21998145)

Multiplication

n×y
n×2 43996290
n×3 65994435
n×4 87992580
n×5 109990725

Division

n÷y
n÷2 10999072.5
n÷3 7332715
n÷3 5499536.25
n÷5 4399629

Exponentiation

ny
n2 483918383441025
n3 1.0645306767101E+22
n4 2.3417700183217E+29
n5 5.1514596419694E+36

Nth Root

y√n
2√n 4690.2180119905
3√n 280.19605741546
4√n 68.485166364626
5√n 29.408793783917

Divisors of 21998145

1, 3, 65, 97, 195, 291, 1163, 3489, 6305, 18915, 75595, 112811, 226785, 338433, 7332715, 21998145

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 -21998144
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 21998145 can be divided by 16 positive divisors. The sum of these divisors (counting 21998145) is 1, the average is 0.0625.

Base conversion 21998145

Base System Value
2 Binary 1010011111010101001000001
3 Ternary 1112101121210010
4 Quaternary 1103322221001
5 Quinary 21112420040
6 Senary 2103255133
8 Octal 123725101
10 Decimal 21998145
12 Duodecimal 744a4a9
16 Hexadecimal 14faa41
20 Vigesimal 6h9f75
36 Base36 d3hvl

Cryptographic Hash Functions

md5 4eab2285ddbee3329737fad2a37d5526
sha1 2cc96a26296906ff545c3816b097a46938eaf60e
sha256 7a14a8361997db84e2b0bfed3dff1d90a2ece046c7069f83a90b1b1671f87a74
sha512 b66c204e66156fd84993005486c5336584a25ef6a0816a28050219b44baf9104ad8138ffe0f9a5eabd172721a52b316631ed1e10e1ad6ad2b80b84205d992b51
ripemd-160 8402cf6d72ab13e8dc57528ec76dc70a73109830

21998145 as geometric shapes

Circle

Radius = n
Diameter 43996290
Circumference 138218421.44921
Area 1.5202744383554E+15

Sphere

Radius = n
Volume 4.459095671298E+22
Surface area 6.0810977534215E+15
Circumference 138218421.44921

Square

Length = n
Perimeter 87992580
Area 483918383441025
Diagonal 31110075.00605

Cube

Length = n
Surface area 2903510300646150
Volume 1.0645306767101E+22
Space diagonal 38101904.812267

Equilateral Triangle

Length = n
Perimeter 65994435
Area 2.0954280670911E+14
Altitude 19050952.406134

Triangular Pyramid

Length = n
Surface area 2.0954280670911E+14
Volume 1.2545614338047E+21
Height 10370025.002017