21006902 (number)

21006902 is an even 8-digits composite number following 21006901 and preceding 21006903. In scientific notation, it is written as 2.1006902 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 8605440 positive integers (up to 21006902) that are relatively prime to 21006902.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred two

Notation

Scientific notation 2.1006902 × 10^7
Engineering notation 2.1006902 × 10^6

Prime Factorization of 21006902

Prime Factorization 2 × 7 × 15469 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21006902
Product of the distinct prime numbers

The prime factorization of 21006902 is 2 × 7 × 15469 × 97. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 31, 100, 117, 942, 7535, 6371, 12643, 16494, 299926, 157139, 6172105, 9164210, 80288336, 21440025, 831030038, 295363981, 3913313512, 8844321352

Basic calculations (n = 21006902)

Multiplication

n×y
n×2 42013804
n×3 63020706
n×4 84027608
n×5 105034510

Division

n÷y
n÷2 10503451
n÷3 7002300.6666667
n÷3 5251725.5
n÷5 4201380.4

Exponentiation

ny
n2 441289931637604
n3 9.2701343474978E+21
n4 1.9473680376472E+29
n5 4.0908169524787E+36

Nth Root

y√n
2√n 4583.328703028
3√n 275.92263987443
4√n 67.700285841553
5√n 29.138849601851

Divisors of 21006902

1, 2, 7, 14, 97, 194, 679, 1358, 15469, 30938, 108283, 216566, 1500493, 3000986, 10503451, 21006902

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 -21006901
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 21006902 can be divided by 16 positive divisors. The sum of these divisors (counting 21006902) is 1, the average is 0.0625.

Base conversion 21006902

Base System Value
2 Binary 1010000001000101000110110
3 Ternary 1110112021001102
4 Quaternary 1100020220312
5 Quinary 20334210102
6 Senary 2030130102
8 Octal 120105066
10 Decimal 21006902
12 Duodecimal 7050932
16 Hexadecimal 1408a36
20 Vigesimal 6b5h52
36 Base36 ci912

Cryptographic Hash Functions

md5 f852d7409369f32b09619eff039a3bf3
sha1 29d0bb8a5332d39a7cdc32ee8ca21799bc038ae7
sha256 ab4d07e2253bca320cc73b8159da8068def5874ee8c5b343e7fc55d60833205c
sha512 032e70b89ff67c4910709ba6ff852b683843206984c0af802baeacf2a03094e83f0910d6facd65544a9108e9a9dace6a5c342ea5ffa2cea1364a5236d094c782
ripemd-160 79e7236c98ba69f1ab38f1ae357219c73c930188

21006902 as geometric shapes

Circle

Radius = n
Diameter 42013804
Circumference 131990257.99576
Area 1.3863532073358E+15

Sphere

Radius = n
Volume 3.8830647951853E+22
Surface area 5.5454128293434E+15
Circumference 131990257.99576

Square

Length = n
Perimeter 84027608
Area 441289931637604
Diagonal 29708245.711842

Cube

Length = n
Surface area 2647739589825624
Volume 9.2701343474978E+21
Space diagonal 36385021.57362

Equilateral Triangle

Length = n
Perimeter 63020706
Area 1.9108414561623E+14
Altitude 18192510.78681

Triangular Pyramid

Length = n
Surface area 1.9108414561623E+14
Volume 1.0924958099377E+21
Height 9902748.5706142