21031688 (number)

21031688 is an even 8-digits composite number following 21031687 and preceding 21031689. In scientific notation, it is written as 2.1031688 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 9976320 positive integers (up to 21031688) that are relatively prime to 21031688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031688 × 10^7
Engineering notation 2.1031688 × 10^6

Prime Factorization of 21031688

Prime Factorization 2 × 2 × 2 × 1517 × 1733

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5257922
Product of the distinct prime numbers

The prime factorization of 21031688 is 2 × 2 × 2 × 1517 × 1733. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 95, 15, 114, 348, 6440, 5838, 43896, 92667, 955776, 414537, 6135721, 9137061, 44184644, 8670399, 689702434, 907461326, 8180026523, 2091317784

Basic calculations (n = 21031688)

Multiplication

n×y
n×2 42063376
n×3 63095064
n×4 84126752
n×5 105158440

Division

n÷y
n÷2 10515844
n÷3 7010562.6666667
n÷3 5257922
n÷5 4206337.6

Exponentiation

ny
n2 442331900129344
n3 9.3029865159675E+21
n4 1.9565750987204E+29
n5 4.1150077024856E+36

Nth Root

y√n
2√n 4586.0318359122
3√n 276.03111740453
4√n 67.720246868364
5√n 29.145722532488

Divisors of 21031688

1, 2, 4, 8, 1517, 1733, 3034, 3466, 6068, 6932, 12136, 13864, 2628961, 5257922, 10515844, 21031688

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 -21031687
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 21031688 can be divided by 16 positive divisors. The sum of these divisors (counting 21031688) is 1, the average is 0.0625.

Base conversion 21031688

Base System Value
2 Binary 1010000001110101100001000
3 Ternary 1110120112001102
4 Quaternary 1100032230020
5 Quinary 20341003223
6 Senary 2030440532
8 Octal 120165410
10 Decimal 21031688
12 Duodecimal 7063148
16 Hexadecimal 140eb08
20 Vigesimal 6b8j48
36 Base36 cis5k

Cryptographic Hash Functions

md5 7cc32c73cc792e28dd63958096bbc711
sha1 663ec96f7106f29d42c590d8694180af87181fa8
sha256 302e58860d1733af5e6520f137a9f4ce5422181fce092e47efe77d9d815916a5
sha512 d1140427218dad9bfe88d88e9d14ca01e19f41e70d74d2f906d81d86b36ec706c8b0dca44c1f61bf82acc96f52880f0b6d8b75bd1f72a00204811196c9126a77
ripemd-160 1c4194b38d93fec5ec1c4065f1e1038e0e0fe7c6

21031688 as geometric shapes

Circle

Radius = n
Diameter 42063376
Circumference 132145993.02679
Area 1.3896266478948E+15

Sphere

Radius = n
Volume 3.8968258793345E+22
Surface area 5.558506591579E+15
Circumference 132145993.02679

Square

Length = n
Perimeter 84126752
Area 442331900129344
Diagonal 29743298.409199

Cube

Length = n
Surface area 2653991400776064
Volume 9.3029865159675E+21
Space diagonal 36427952.184937

Equilateral Triangle

Length = n
Perimeter 63095064
Area 1.9153533120813E+14
Altitude 18213976.092468

Triangular Pyramid

Length = n
Surface area 1.9153533120813E+14
Volume 1.0963674751213E+21
Height 9914432.8030665