21031786 (number)

21031786 is an even 8-digits composite number following 21031785 and preceding 21031787. In scientific notation, it is written as 2.1031786 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 10060288 positive integers (up to 21031786) that are relatively prime to 21031786.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred eighty-six

Notation

Scientific notation 2.1031786 × 10^7
Engineering notation 2.1031786 × 10^6

Prime Factorization of 21031786

Prime Factorization 2 × 29 × 113 × 3209

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031786
Product of the distinct prime numbers

The prime factorization of 21031786 is 2 × 29 × 113 × 3209. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 29, 4, 433, 841, 373, 8377, 79680, 47077, 696490, 240094, 4035140, 6557874, 31214895, 86578378, 713196609, 267142883, 164957343, 1030066011

Basic calculations (n = 21031786)

Multiplication

n×y
n×2 42063572
n×3 63095358
n×4 84127144
n×5 105158930

Division

n÷y
n÷2 10515893
n÷3 7010595.3333333
n÷3 5257946.5
n÷5 4206357.2

Exponentiation

ny
n2 442336022349796
n3 9.3031165621521E+21
n4 1.9566115666824E+29
n5 4.1151035755589E+36

Nth Root

y√n
2√n 4586.0425205181
3√n 276.03154613867
4√n 67.720325756143
5√n 29.145749694126

Divisors of 21031786

1, 2, 29, 58, 113, 226, 3209, 3277, 6418, 6554, 93061, 186122, 362617, 725234, 10515893, 21031786

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 -21031785
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 21031786 can be divided by 16 positive divisors. The sum of these divisors (counting 21031786) is 1, the average is 0.0625.

Base conversion 21031786

Base System Value
2 Binary 1010000001110101101101010
3 Ternary 1110120112012001
4 Quaternary 1100032231222
5 Quinary 20341004121
6 Senary 2030441214
8 Octal 120165552
10 Decimal 21031786
12 Duodecimal 706320a
16 Hexadecimal 140eb6a
20 Vigesimal 6b8j96
36 Base36 cis8a

Cryptographic Hash Functions

md5 8cd08b0322541cf922ae1f05d038cc1f
sha1 1b5b04bfbe5e03c46ae0361d375aaaa9d7714703
sha256 f28c242a98444e6ded26ba2e276d6f41d331d24b5bcd398f443c38e03d4cdb3d
sha512 9a9c62414e648a024c290ad6108354a829fc15d7674c6874d8041e505cf44e5b3ae822d8a2681f15fd89b5e08775375d0d1f0f59894821b0ea54323e25389a91
ripemd-160 bfd3b9bfb62f18081a5a0c5d313ff15ddb867240

21031786 as geometric shapes

Circle

Radius = n
Diameter 42063572
Circumference 132146608.77895
Area 1.3896395982322E+15

Sphere

Radius = n
Volume 3.8968803529529E+22
Surface area 5.558558392929E+15
Circumference 132146608.77895

Square

Length = n
Perimeter 84127144
Area 442336022349796
Diagonal 29743437.002129

Cube

Length = n
Surface area 2654016134098776
Volume 9.3031165621521E+21
Space diagonal 36428121.925916

Equilateral Triangle

Length = n
Perimeter 63095358
Area 1.9153711618194E+14
Altitude 18214060.962958

Triangular Pyramid

Length = n
Surface area 1.9153711618194E+14
Volume 1.0963828012111E+21
Height 9914479.0007095