21131490 (number)

21131490 is an even 8-digits composite number following 21131489 and preceding 21131491. In scientific notation, it is written as 2.1131490 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 5503680 positive integers (up to 21131490) that are relatively prime to 21131490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131490 × 10^7
Engineering notation 2.1131490 × 10^6

Prime Factorization of 21131490

Prime Factorization 2 × 3 × 5 × 43 × 16381

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21131490
Product of the distinct prime numbers

The prime factorization of 21131490 is 2 × 3 × 5 × 43 × 16381. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 89, 96, 580, 394, 2767, 8085, 65903, 52724, 158621, 192241, 2270053, 6951808, 4570031, 23146915, 158961354, 217152110, 5855036088, 8448685012

Basic calculations (n = 21131490)

Multiplication

n×y
n×2 42262980
n×3 63394470
n×4 84525960
n×5 105657450

Division

n÷y
n÷2 10565745
n÷3 7043830
n÷3 5282872.5
n÷5 4226298

Exponentiation

ny
n2 446539869620100
n3 9.4360527894784E+21
n4 1.9939785516034E+29
n5 4.2135737823421E+36

Nth Root

y√n
2√n 4596.9000424199
3√n 276.46704685724
4√n 67.800442789261
5√n 29.17333130831

Divisors of 21131490

1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16381, 32762, 49143, 81905, 98286, 163810, 245715, 491430, 704383, 1408766, 2113149, 3521915, 4226298, 7043830, 10565745, 21131490

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131490 can be divided by 32 positive divisors. The sum of these divisors (counting 21131490) is 1, the average is 0.03125.

Base conversion 21131490

Base System Value
2 Binary 1010000100111000011100010
3 Ternary 1110202120221210
4 Quaternary 1100213003202
5 Quinary 20402201430
6 Senary 2032530550
8 Octal 120470342
10 Decimal 21131490
12 Duodecimal 70b0a56
16 Hexadecimal 14270e2
20 Vigesimal 6c18ea
36 Base36 ckx5u

Cryptographic Hash Functions

md5 544f7321d14a7148d9c282edce282e31
sha1 08a8fccbafc16738079b1ad54671079245584e2f
sha256 ca82dea6308337f6847fd7e143b1dba101b8afc8a689a6f7fadaa453c1c23801
sha512 9b4472b9947fbeb156969d2cc394d05c06cc76ef8a8f752d1ec1da2bbdfb250c11349fe34bd69bcad65c27466726cdbccd362abeae8307c34effcc7d80dfdd71
ripemd-160 8b725a36f84229ab1adc0bdb5b44f75b036c48c8

21131490 as geometric shapes

Circle

Radius = n
Diameter 42262980
Circumference 132773067.48681
Area 1.4028463739335E+15

Sphere

Radius = n
Volume 3.9525645496415E+22
Surface area 5.6113854957338E+15
Circumference 132773067.48681

Square

Length = n
Perimeter 84525960
Area 446539869620100
Diagonal 29884439.751151

Cube

Length = n
Surface area 2679239217720600
Volume 9.4360527894784E+21
Space diagonal 36600814.319634

Equilateral Triangle

Length = n
Perimeter 63394470
Area 1.933574354468E+14
Altitude 18300407.159817

Triangular Pyramid

Length = n
Surface area 1.933574354468E+14
Volume 1.1120494858457E+21
Height 9961479.9170505