21105789 (number)

21105789 is an odd 8-digits composite number following 21105788 and preceding 21105790. In scientific notation, it is written as 2.1105789 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 11987712 positive integers (up to 21105789) that are relatively prime to 21105789.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand seven hundred eighty-nine

Notation

Scientific notation 2.1105789 × 10^7
Engineering notation 2.1105789 × 10^6

Prime Factorization of 21105789

Prime Factorization 3 × 17 × 19 × 23 × 947

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21105789
Product of the distinct prime numbers

The prime factorization of 21105789 is 3 × 17 × 19 × 23 × 947. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105789)

Multiplication

n×y
n×2 42211578
n×3 63317367
n×4 84423156
n×5 105528945

Division

n÷y
n÷2 10552894.5
n÷3 7035263
n÷3 5276447.25
n÷5 4221157.8

Exponentiation

ny
n2 445454329312521
n3 9.4016650836066E+21
n4 1.9842955950327E+29
n5 4.1880124142389E+36

Nth Root

y√n
2√n 4594.1037210755
3√n 276.35491779962
4√n 67.779817948085
5√n 29.166231488831

Divisors of 21105789

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 -21105788
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 21105789 can be divided by 32 positive divisors. The sum of these divisors (counting 21105789) is 1, the average is 0.03125.

Base conversion 21105789

Base System Value
2 Binary 1010000100000110001111101
3 Ternary 1110201021200220
4 Quaternary 1100200301331
5 Quinary 20400341124
6 Senary 2032211553
8 Octal 120406175
10 Decimal 21105789
12 Duodecimal 7099bb9
16 Hexadecimal 1420c7d
20 Vigesimal 6bi499
36 Base36 ckdbx

Cryptographic Hash Functions

md5 ed549c1cfd5af76ec910088f9dafb3f7
sha1 18abc896b1531051550bc0dbd3d989c231128407
sha256 c2d1960f63e850b1a60f005954809c39a6f57ee45f66b95013af0c00ef75e114
sha512 0e0153d7de5a11465c136d5db5e30af601d5d986c8b61c1758f357e68485f39e7e4f2ddd207305ae712aa7b2926c13a10ddd1cd0d9f87f1384b6207ffd5b40a0
ripemd-160 cc76b748174a28510d0d8516ef36e06b1a785a0a

21105789 as geometric shapes

Circle

Radius = n
Diameter 42211578
Circumference 132611583.34123
Area 1.399436048478E+15

Sphere

Radius = n
Volume 3.9381602610893E+22
Surface area 5.5977441939119E+15
Circumference 132611583.34123

Square

Length = n
Perimeter 84423156
Area 445454329312521
Diagonal 29848093.048385

Cube

Length = n
Surface area 2672725975875126
Volume 9.4016650836066E+21
Space diagonal 36556298.881828

Equilateral Triangle

Length = n
Perimeter 63317367
Area 1.928873827052E+14
Altitude 18278149.440914

Triangular Pyramid

Length = n
Surface area 1.928873827052E+14
Volume 1.1079968558438E+21
Height 9949364.3494616