21000755 (number)

21000755 is an odd 8-digits composite number following 21000754 and preceding 21000756. In scientific notation, it is written as 2.1000755 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 16392192 positive integers (up to 21000755) that are relatively prime to 21000755.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred fifty-five

Notation

Scientific notation 2.1000755 × 10^7
Engineering notation 2.1000755 × 10^6

Prime Factorization of 21000755

Prime Factorization 5 × 59 × 257 × 277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000755
Product of the distinct prime numbers

The prime factorization of 21000755 is 5 × 59 × 257 × 277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 14, 36, 513, 202, 630, 87, 81522, 32605, 767897, 858267, 344664, 7496771, 3081966, 2175109, 387652525, 539588647, 2464227812, 7088204700

Basic calculations (n = 21000755)

Multiplication

n×y
n×2 42001510
n×3 63002265
n×4 84003020
n×5 105003775

Division

n÷y
n÷2 10500377.5
n÷3 7000251.6666667
n÷3 5250188.75
n÷5 4200151

Exponentiation

ny
n2 441031710570025
n3 9.261998900912E+21
n4 1.9450896972832E+29
n5 4.0848352185669E+36

Nth Root

y√n
2√n 4582.658071469
3√n 275.89572392826
4√n 67.69533271555
5√n 29.137144091183

Divisors of 21000755

1, 5, 59, 257, 277, 295, 1285, 1385, 15163, 16343, 71189, 75815, 81715, 355945, 4200151, 21000755

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000754
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000755 can be divided by 16 positive divisors. The sum of these divisors (counting 21000755) is 1, the average is 0.0625.

Base conversion 21000755

Base System Value
2 Binary 1010000000111001000110011
3 Ternary 1110111221121202
4 Quaternary 1100013020303
5 Quinary 20334011010
6 Senary 2030041415
8 Octal 120071063
10 Decimal 21000755
12 Duodecimal 704926b
16 Hexadecimal 1407233
20 Vigesimal 6b51hf
36 Base36 ci4ab

Cryptographic Hash Functions

md5 189e4fcec39c14253954bcabfcfeae79
sha1 ab33e9b19755955bc44279f8041aaef6f5d92284
sha256 fb55d1dd9fa2cee7536a597606488111be87b232545030b724fe107856735522
sha512 176e74f62e640d8e1bffe02ea587cd1cc46945503d31a383f5b5a195d92459ea8e3a2a2d6add8dcf5eb6eff8cb1ebc0a2a3dc92be840d44b72fbe163d5aaaa5e
ripemd-160 fadd27991c8b747d6402673d976c6a23bb8a2048

21000755 as geometric shapes

Circle

Radius = n
Diameter 42001510
Circumference 131951635.25568
Area 1.3855419819269E+15

Sphere

Radius = n
Volume 3.8796570272883E+22
Surface area 5.5421679277077E+15
Circumference 131951635.25568

Square

Length = n
Perimeter 84003020
Area 441031710570025
Diagonal 29699552.541075

Cube

Length = n
Surface area 2646190263420150
Volume 9.261998900912E+21
Space diagonal 36374374.657306

Equilateral Triangle

Length = n
Perimeter 63002265
Area 1.9097233261407E+14
Altitude 18187187.328653

Triangular Pyramid

Length = n
Surface area 1.9097233261407E+14
Volume 1.0915370383629E+21
Height 9899850.8470249