21997105 (number)

21997105 is an odd 8-digits composite number following 21997104 and preceding 21997106. In scientific notation, it is written as 2.1997105 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 15998400 positive integers (up to 21997105) that are relatively prime to 21997105.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-seven thousand one hundred five

Notation

Scientific notation 2.1997105 × 10^7
Engineering notation 2.1997105 × 10^6

Prime Factorization of 21997105

Prime Factorization 871 × 5 × 5051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21997105
Product of the distinct prime numbers

The prime factorization of 21997105 is 871 × 5 × 5051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21997105)

Multiplication

n×y
n×2 43994210
n×3 65991315
n×4 87988420
n×5 109985525

Division

n÷y
n÷2 10998552.5
n÷3 7332368.3333333
n÷3 5499276.25
n÷5 4399421

Exponentiation

ny
n2 483872628381025
n3 1.0643797013123E+22
n4 2.3413272049636E+29
n5 5.1502420366941E+36

Nth Root

y√n
2√n 4690.1071416333
3√n 280.19164176295
4√n 68.484356911877
5√n 29.408515708434

Divisors of 21997105

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21997104
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21997105 can be divided by 8 positive divisors. The sum of these divisors (counting 21997105) is 1, the average is 0.125.

Base conversion 21997105

Base System Value
2 Binary 1010011111010011000110001
3 Ternary 1112101120100121
4 Quaternary 1103322120301
5 Quinary 21112401410
6 Senary 2103250241
8 Octal 123723061
10 Decimal 21997105
12 Duodecimal 7449981
16 Hexadecimal 14fa631
20 Vigesimal 6h9cf5
36 Base36 d3h2p

Cryptographic Hash Functions

md5 b9364941b797e41c6d947e760e01f20a
sha1 a56fb304d4d257659e481de6968a0450eadc847e
sha256 ec5ff1179d0cc5b92366ac9b2d168a52b2eea6fd241b565da5121f28a25df18e
sha512 b4187e69d915b48b1806e2fe57d2fd7a410bfefa4aa14d34e1f471c278cac42d38bdce1d9e7d7a761e15ec1be77dbb00e6cfd874a12264d8ed53b12cb4e50aba
ripemd-160 b5a025651e7c746ce34bd6db485c8890cd5a4e26

21997105 as geometric shapes

Circle

Radius = n
Diameter 43994210
Circumference 138211886.93649
Area 1.520130694595E+15

Sphere

Radius = n
Volume 4.4584632670306E+22
Surface area 6.08052277838E+15
Circumference 138211886.93649

Square

Length = n
Perimeter 87988420
Area 483872628381025
Diagonal 31108604.223945

Cube

Length = n
Surface area 2903235770286150
Volume 1.0643797013123E+22
Space diagonal 38100103.479427

Equilateral Triangle

Length = n
Perimeter 65991315
Area 2.0952299418696E+14
Altitude 19050051.739714

Triangular Pyramid

Length = n
Surface area 2.0952299418696E+14
Volume 1.2543835075921E+21
Height 10369534.741315