21102949 (number)

21102949 is an odd 8-digits composite number following 21102948 and preceding 21102950. In scientific notation, it is written as 2.1102949 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17912016 positive integers (up to 21102949) that are relatively prime to 21102949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1102949 × 10^7
Engineering notation 2.1102949 × 10^6

Prime Factorization of 21102949

Prime Factorization 7 × 103 × 29269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21102949
Product of the distinct prime numbers

The prime factorization of 21102949 is 7 × 103 × 29269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21102949)

Multiplication

n×y
n×2 42205898
n×3 63308847
n×4 84411796
n×5 105514745

Division

n÷y
n÷2 10551474.5
n÷3 7034316.3333333
n÷3 5275737.25
n÷5 4220589.8

Exponentiation

ny
n2 445334456496601
n3 9.3978703233905E+21
n4 1.9832277814312E+29
n5 4.1851954726926E+36

Nth Root

y√n
2√n 4593.7946188309
3√n 276.34252178239
4√n 67.777537715905
5√n 29.165446523567

Divisors of 21102949

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 -21102948
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 21102949 can be divided by 8 positive divisors. The sum of these divisors (counting 21102949) is 1, the average is 0.125.

Base conversion 21102949

Base System Value
2 Binary 1010000100000000101100101
3 Ternary 1110201010210201
4 Quaternary 1100200011211
5 Quinary 20400243244
6 Senary 2032150501
8 Octal 120400545
10 Decimal 21102949
12 Duodecimal 7098431
16 Hexadecimal 1420165
20 Vigesimal 6bhh79
36 Base36 ckb51

Cryptographic Hash Functions

md5 64b70c97e9e784dd5e75a7d0493eace3
sha1 2191b85c9adb85b70437b48549675d3d4c29d43c
sha256 555abe5e2048b2dff682edc31a7c208abc2b988940b54944e864af5a91d7af79
sha512 d708f155a7bc08004f43cbc3a786461bbb0281fd8fac542f4671439e6c55f1f6dd5c4f6991f3fab7aaede65c9ebeb3125e3b76e16eb15019b6269ce23eb4e12e
ripemd-160 d3511ea3e89b32c072ee7e45bbaa12f4ccf74860

21102949 as geometric shapes

Circle

Radius = n
Diameter 42205898
Circumference 132593739.09496
Area 1.3990594569201E+15

Sphere

Radius = n
Volume 3.9365707156471E+22
Surface area 5.5962378276805E+15
Circumference 132593739.09496

Square

Length = n
Perimeter 84411796
Area 445334456496601
Diagonal 29844076.681868

Cube

Length = n
Surface area 2672006738979606
Volume 9.3978703233905E+21
Space diagonal 36551379.857535

Equilateral Triangle

Length = n
Perimeter 63308847
Area 1.928354762533E+14
Altitude 18275689.928767

Triangular Pyramid

Length = n
Surface area 1.928354762533E+14
Volume 1.1075496390635E+21
Height 9948025.5606226