21490967 (number)

21490967 is an odd 8-digits composite number following 21490966 and preceding 21490968. In scientific notation, it is written as 2.1490967 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20797680 positive integers (up to 21490967) that are relatively prime to 21490967.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred sixty-seven

Notation

Scientific notation 2.1490967 × 10^7
Engineering notation 2.1490967 × 10^6

Prime Factorization of 21490967

Prime Factorization 31 × 693257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490967
Product of the distinct prime numbers

The prime factorization of 21490967 is 31 × 693257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490967)

Multiplication

n×y
n×2 42981934
n×3 64472901
n×4 85963868
n×5 107454835

Division

n÷y
n÷2 10745483.5
n÷3 7163655.6666667
n÷3 5372741.75
n÷5 4298193.4

Exponentiation

ny
n2 461861662595089
n3 9.9258537493962E+21
n4 2.133161953751E+29
n5 4.5843713153718E+36

Nth Root

y√n
2√n 4635.8350919764
3√n 278.02594085348
4√n 68.086967122765
5√n 29.271918780237

Divisors of 21490967

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490966
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490967 can be divided by 4 positive divisors. The sum of these divisors (counting 21490967) is 1, the average is 0.25.

Base conversion 21490967

Base System Value
2 Binary 1010001111110110100010111
3 Ternary 1111102212001202
4 Quaternary 1101332310113
5 Quinary 21000202332
6 Senary 2044343115
8 Octal 121766427
10 Decimal 21490967
12 Duodecimal 7244a9b
16 Hexadecimal 147ed17
20 Vigesimal 6e6787
36 Base36 csmjb

Cryptographic Hash Functions

md5 cfa100a45ecd379675e571b7a95725b2
sha1 183d128e152faceb183a2d7327e5fc28887c2d64
sha256 c4dac12d10184a72ead4ca4196f08f68338cb46d49919ea484f7e4a4ae0177df
sha512 3ecef96c4d92f0960a15962bdab5a8257726562505009a76e0ba4215315631c4d0ce29f8796991a6e3aabc5e3f63942416df7953563de7a94e67ea7006a14d72
ripemd-160 32651dadeb20dbc8adaf7ea123450fcdef52e361

21490967 as geometric shapes

Circle

Radius = n
Diameter 42981934
Circumference 135031728.09148
Area 1.4509812061835E+15

Sphere

Radius = n
Volume 4.1577318959613E+22
Surface area 5.803924824734E+15
Circumference 135031728.09148

Square

Length = n
Perimeter 85963868
Area 461861662595089
Diagonal 30392816.999913

Cube

Length = n
Surface area 2771169975570534
Volume 9.9258537493962E+21
Space diagonal 37223446.747786

Equilateral Triangle

Length = n
Perimeter 64472901
Area 1.9999196642073E+14
Altitude 18611723.373893

Triangular Pyramid

Length = n
Surface area 1.9999196642073E+14
Volume 1.169773082544E+21
Height 10130938.999971