21031492 (number)

21031492 is an even 8-digits composite number following 21031491 and preceding 21031493. In scientific notation, it is written as 2.1031492 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 10417256 positive integers (up to 21031492) that are relatively prime to 21031492.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred ninety-two

Notation

Scientific notation 2.1031492 × 10^7
Engineering notation 2.1031492 × 10^6

Prime Factorization of 21031492

Prime Factorization 2 × 2 × 107 × 49139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10515746
Product of the distinct prime numbers

The prime factorization of 21031492 is 2 × 2 × 107 × 49139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 1, 55, 474, 18, 3214, 4306, 55732, 78449, 39614, 836630, 6320794, 6870510, 53873970, 61902658, 351215283, 823909615, 735505594, 8121418277

Basic calculations (n = 21031492)

Multiplication

n×y
n×2 42062984
n×3 63094476
n×4 84125968
n×5 105157460

Division

n÷y
n÷2 10515746
n÷3 7010497.3333333
n÷3 5257873
n÷5 4206298.4

Exponentiation

ny
n2 442323655746064
n3 9.3027264272341E+21
n4 1.9565021643256E+29
n5 4.1148159616997E+36

Nth Root

y√n
2√n 4586.0104666256
3√n 276.03025993227
4√n 67.72008909198
5√n 29.145668208908

Divisors of 21031492

1, 2, 4, 107, 214, 428, 49139, 98278, 196556, 5257873, 10515746, 21031492

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031491
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031492 can be divided by 12 positive divisors. The sum of these divisors (counting 21031492) is 1, the average is 0.083333333333333.

Base conversion 21031492

Base System Value
2 Binary 1010000001110101001000100
3 Ternary 1110120111210011
4 Quaternary 1100032221010
5 Quinary 20341001432
6 Senary 2030440004
8 Octal 120165104
10 Decimal 21031492
12 Duodecimal 7063004
16 Hexadecimal 140ea44
20 Vigesimal 6b8iec
36 Base36 cis04

Cryptographic Hash Functions

md5 64b39c9195492982d4e92a6c6652e886
sha1 acac279c03b134249399cb47f37c7e91ac744f06
sha256 fad4c30780da7dbc2ac308f96ec1f2326eb3f6dbacbd454dae90c90e99a4be32
sha512 40d8c86a75bfeaf9330c2c1232f11d43f1e658561e0239bfaaf8aaf0f23777cf370ee9a9158ecaaa2dc1343b9adebb48da71cefd935b909e274ebfefa781727e
ripemd-160 5d2e3c14a92e92383b0362451e79fd6748614e8b

21031492 as geometric shapes

Circle

Radius = n
Diameter 42062984
Circumference 132144761.52247
Area 1.3896007474008E+15

Sphere

Radius = n
Volume 3.8967169336206E+22
Surface area 5.5584029896033E+15
Circumference 132144761.52247

Square

Length = n
Perimeter 84125968
Area 442323655746064
Diagonal 29743021.223341

Cube

Length = n
Surface area 2653941934476384
Volume 9.3027264272341E+21
Space diagonal 36427612.702978

Equilateral Triangle

Length = n
Perimeter 63094476
Area 1.9153176128545E+14
Altitude 18213806.351489

Triangular Pyramid

Length = n
Surface area 1.9153176128545E+14
Volume 1.0963368233701E+21
Height 9914340.4077804