21086788 (number)

21086788 is an even 8-digits composite number following 21086787 and preceding 21086789. In scientific notation, it is written as 2.1086788 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10533600 positive integers (up to 21086788) that are relatively prime to 21086788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086788 × 10^7
Engineering notation 2.1086788 × 10^6

Prime Factorization of 21086788

Prime Factorization 2 × 2 × 1597 × 3301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10543394
Product of the distinct prime numbers

The prime factorization of 21086788 is 2 × 2 × 1597 × 3301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 55, 21, 895, 244, 7763, 7759, 93838, 20618, 716295, 429471, 8776245, 9317466, 39132679, 46780661, 753142658, 254909948, 1684809509, 8073904592

Basic calculations (n = 21086788)

Multiplication

n×y
n×2 42173576
n×3 63260364
n×4 84347152
n×5 105433940

Division

n÷y
n÷2 10543394
n÷3 7028929.3333333
n÷3 5271697
n÷5 4217357.6

Exponentiation

ny
n2 444652628156944
n3 9.3762957035883E+21
n4 1.9771595972688E+29
n5 4.1691945269772E+36

Nth Root

y√n
2√n 4592.0352786101
3√n 276.27196115412
4√n 67.764557687704
5√n 29.160978074796

Divisors of 21086788

1, 2, 4, 1597, 3194, 3301, 6388, 6602, 13204, 5271697, 10543394, 21086788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086788 can be divided by 12 positive divisors. The sum of these divisors (counting 21086788) is 1, the average is 0.083333333333333.

Base conversion 21086788

Base System Value
2 Binary 1010000011100001001000100
3 Ternary 1110200022122011
4 Quaternary 1100130021010
5 Quinary 20344234123
6 Senary 2031544004
8 Octal 120341104
10 Decimal 21086788
12 Duodecimal 708b004
16 Hexadecimal 141c244
20 Vigesimal 6bfgj8
36 Base36 cjyo4

Cryptographic Hash Functions

md5 21896a282df7835874d0a1981f89a6de
sha1 c3462994106bbef891b9959a2157934d23a00532
sha256 7493ff1ac75086bc941a60080fced70348b120a092003621cd3c779845e4c23c
sha512 9d3c5bbf546a4ced67a90602057f4fbb6dd994ca494b8eac56e7ad64fb781ba6d584760cb96deb081dd01f7f5f39ab509335af16bcc1519a622182d57dfe7f38
ripemd-160 2bcdbfa8992c314691953f3bf920ad0a86ee09df

21086788 as geometric shapes

Circle

Radius = n
Diameter 42173576
Circumference 132492196.53721
Area 1.3969174300172E+15

Sphere

Radius = n
Volume 3.9275335600371E+22
Surface area 5.587669720069E+15
Circumference 132492196.53721

Square

Length = n
Perimeter 84347152
Area 444652628156944
Diagonal 29821221.576486

Cube

Length = n
Surface area 2667915768941664
Volume 9.3762957035883E+21
Space diagonal 36523388.184434

Equilateral Triangle

Length = n
Perimeter 63260364
Area 1.9254023592171E+14
Altitude 18261694.092217

Triangular Pyramid

Length = n
Surface area 1.9254023592171E+14
Volume 1.1050070457363E+21
Height 9940407.1921621