21690761 (number)

21690761 is an odd 8-digits composite number following 21690760 and preceding 21690762. In scientific notation, it is written as 2.1690761 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20481120 positive integers (up to 21690761) that are relatively prime to 21690761.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand seven hundred sixty-one

Notation

Scientific notation 2.1690761 × 10^7
Engineering notation 2.1690761 × 10^6

Prime Factorization of 21690761

Prime Factorization 19 × 331 × 3449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21690761
Product of the distinct prime numbers

The prime factorization of 21690761 is 19 × 331 × 3449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21690761)

Multiplication

n×y
n×2 43381522
n×3 65072283
n×4 86763044
n×5 108453805

Division

n÷y
n÷2 10845380.5
n÷3 7230253.6666667
n÷3 5422690.25
n÷5 4338152.2

Exponentiation

ny
n2 470489112759121
n3 1.020526689796E+22
n4 2.2136000522486E+29
n5 4.8014669682913E+36

Nth Root

y√n
2√n 4657.3341086935
3√n 278.88485461473
4√n 68.244663591328
5√n 29.326143666701

Divisors of 21690761

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 -21690760
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 21690761 can be divided by 8 positive divisors. The sum of these divisors (counting 21690761) is 1, the average is 0.125.

Base conversion 21690761

Base System Value
2 Binary 1010010101111100110001001
3 Ternary 1111211000010112
4 Quaternary 1102233212021
5 Quinary 21023101021
6 Senary 2052524105
8 Octal 122574611
10 Decimal 21690761
12 Duodecimal 7320635
16 Hexadecimal 14af989
20 Vigesimal 6fb6i1
36 Base36 cwwp5

Cryptographic Hash Functions

md5 ba070d54c535ecf7bfdeb0b7e58099c4
sha1 92d5adbf98dc9bee345b414206687c52c4632704
sha256 397c7e18f1a9c8a02f687311c2620da4fc865adcd9daf07791900bb00914290b
sha512 eeca31ccbdf2d8256ab47e76ed912df70c8f70942a4cefe727b3138e65c76a4c70993c5b4c0818867e258e9026522b6a1ef93e45271986fe7f5eabffaae9e646
ripemd-160 a744d3b01ba47d07924f6f3bb60e4fda385ddf95

21690761 as geometric shapes

Circle

Radius = n
Diameter 43381522
Circumference 136287070.81674
Area 1.478085140238E+15

Sphere

Radius = n
Volume 4.2747722019406E+22
Surface area 5.9123405609521E+15
Circumference 136287070.81674

Square

Length = n
Perimeter 86763044
Area 470489112759121
Diagonal 30675368.384393

Cube

Length = n
Surface area 2822934676554726
Volume 1.020526689796E+22
Space diagonal 37569500.106834

Equilateral Triangle

Length = n
Perimeter 65072283
Area 2.037277619267E+14
Altitude 18784750.053417

Triangular Pyramid

Length = n
Surface area 2.037277619267E+14
Volume 1.2027022378944E+21
Height 10225122.794798