21016918 (number)

21016918 is an even 8-digits composite number following 21016917 and preceding 21016919. In scientific notation, it is written as 2.1016918 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9700104 positive integers (up to 21016918) that are relatively prime to 21016918.

Interesting facts

Basic properties

Name

Name twenty-one million sixteen thousand nine hundred eighteen

Notation

Scientific notation 2.1016918 × 10^7
Engineering notation 2.1016918 × 10^6

Prime Factorization of 21016918

Prime Factorization 2 × 13 × 808343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21016918
Product of the distinct prime numbers

The prime factorization of 21016918 is 2 × 13 × 808343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21016918)

Multiplication

n×y
n×2 42033836
n×3 63050754
n×4 84067672
n×5 105084590

Division

n÷y
n÷2 10508459
n÷3 7005639.3333333
n÷3 5254229.5
n÷5 4203383.6

Exponentiation

ny
n2 441710842218724
n3 9.2834005506219E+21
n4 1.9510846813357E+29
n5 4.1005786758689E+36

Nth Root

y√n
2√n 4584.4212284649
3√n 275.96648581367
4√n 67.708354199943
5√n 29.14162772755

Divisors of 21016918

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 -21016917
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 21016918 can be divided by 8 positive divisors. The sum of these divisors (counting 21016918) is 1, the average is 0.125.

Base conversion 21016918

Base System Value
2 Binary 1010000001011000101010110
3 Ternary 1110112202210101
4 Quaternary 1100023011112
5 Quinary 20340020133
6 Senary 2030244314
8 Octal 120130526
10 Decimal 21016918
12 Duodecimal 705669a
16 Hexadecimal 140b156
20 Vigesimal 6b725i
36 Base36 cigra

Cryptographic Hash Functions

md5 0e1e49f10bb0483ff48cb199befae58d
sha1 966d8bcefde6f4b58199262a4928b822da6f8915
sha256 72533a9adb8c5bd0d0886a10955d5c438b3f9a42c67b8fb48dd8c61aba8fa26b
sha512 640b692123fd8685ea3e91b109b8f305b73e7cfcbffe25c8c8b57b9c85f021535ebfeb6052072b948a0f98705c376cbdcf3d9ec4671a19016809a8699eb78b7d
ripemd-160 f58e7baf51a16ba47cf04aaaa7f14f20a6aef723

21016918 as geometric shapes

Circle

Radius = n
Diameter 42033836
Circumference 132053190.3798
Area 1.3876755369253E+15

Sphere

Radius = n
Volume 3.8886217293553E+22
Surface area 5.5507021477012E+15
Circumference 132053190.3798

Square

Length = n
Perimeter 84067672
Area 441710842218724
Diagonal 29722410.474883

Cube

Length = n
Surface area 2650265053312344
Volume 9.2834005506219E+21
Space diagonal 36402369.794509

Equilateral Triangle

Length = n
Perimeter 63050754
Area 1.9126640524422E+14
Altitude 18201184.897254

Triangular Pyramid

Length = n
Surface area 1.9126640524422E+14
Volume 1.0940592469693E+21
Height 9907470.1582944