21490970 (number)

21490970 is an even 8-digits composite number following 21490969 and preceding 21490971. In scientific notation, it is written as 2.1490970 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 7687680 positive integers (up to 21490970) that are relatively prime to 21490970.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred seventy

Notation

Scientific notation 2.1490970 × 10^7
Engineering notation 2.1490970 × 10^6

Prime Factorization of 21490970

Prime Factorization 2 × 5 × 943 × 43 × 53

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21490970
Product of the distinct prime numbers

The prime factorization of 21490970 is 2 × 5 × 943 × 43 × 53. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 29, 22, 790, 81, 867, 9220, 48867, 71437, 873860, 917699, 1084251, 5329821, 64323005, 34370481, 706261134, 144773465, 6466114804, 1623940713

Basic calculations (n = 21490970)

Multiplication

n×y
n×2 42981940
n×3 64472910
n×4 85963880
n×5 107454850

Division

n÷y
n÷2 10745485
n÷3 7163656.6666667
n÷3 5372742.5
n÷5 4298194

Exponentiation

ny
n2 461861791540900
n3 9.9258579061517E+21
n4 2.1331631448537E+29
n5 4.5843745151156E+36

Nth Root

y√n
2√n 4635.8354155427
3√n 278.02595379035
4√n 68.086969498889
5√n 29.271919597471

Divisors of 21490970

1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 943, 1886, 2279, 4558, 4715, 9430, 11395, 22790, 40549, 49979, 81098, 99958, 202745, 249895, 405490, 499790, 2149097, 4298194, 10745485, 21490970

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 -21490969
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 21490970 can be divided by 32 positive divisors. The sum of these divisors (counting 21490970) is 1, the average is 0.03125.

Base conversion 21490970

Base System Value
2 Binary 1010001111110110100011010
3 Ternary 1111102212001212
4 Quaternary 1101332310122
5 Quinary 21000202340
6 Senary 2044343122
8 Octal 121766432
10 Decimal 21490970
12 Duodecimal 7244aa2
16 Hexadecimal 147ed1a
20 Vigesimal 6e678a
36 Base36 csmje

Cryptographic Hash Functions

md5 31a70876b80ef2ec4d87f86a9bdf5ed2
sha1 c248e9a7142eb952945b151e30c925c430dd4f3e
sha256 6de2df714b9e0b287f6542c91f84cd344e23d5068e68d71bd409f6d1c37012d1
sha512 2cb527a12c87f180b88904d9f996b10d863fe6d6837358cab44c7f5c752072519dd4e10f52c178432486b2f97162153f5928f5d1079fb0c4d0f55c3add7c666c
ripemd-160 68421b6977a4c7bf85768187e0e2efbc6e927e06

21490970 as geometric shapes

Circle

Radius = n
Diameter 42981940
Circumference 135031746.94104
Area 1.4509816112787E+15

Sphere

Radius = n
Volume 4.157733637139E+22
Surface area 5.8039264451148E+15
Circumference 135031746.94104

Square

Length = n
Perimeter 85963880
Area 461861791540900
Diagonal 30392821.242553

Cube

Length = n
Surface area 2771170749245400
Volume 9.9258579061517E+21
Space diagonal 37223451.943939

Equilateral Triangle

Length = n
Perimeter 64472910
Area 1.9999202225591E+14
Altitude 18611725.971969

Triangular Pyramid

Length = n
Surface area 1.9999202225591E+14
Volume 1.1697735724223E+21
Height 10130940.414184