21031807 (number)

21031807 is an odd 8-digits prime number following 21031806 and preceding 21031808. In scientific notation, it is written as 2.1031807 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 21031806 positive integers (up to 21031807) that are relatively prime to 21031807.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred seven

Notation

Scientific notation 2.1031807 × 10^7
Engineering notation 2.1031807 × 10^6

Prime Factorization of 21031807

Prime Factorization 21031807

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21031807
Product of the distinct prime numbers

The prime factorization of 21031807 is 21031807. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031807)

Multiplication

n×y
n×2 42063614
n×3 63095421
n×4 84127228
n×5 105159035

Division

n÷y
n÷2 10515903.5
n÷3 7010602.3333333
n÷3 5257951.75
n÷5 4206361.4

Exponentiation

ny
n2 442336905685249
n3 9.3031444293494E+21
n4 1.956619381312E+29
n5 4.1151241200214E+36

Nth Root

y√n
2√n 4586.0448100733
3√n 276.03163801009
4√n 67.720342660631
5√n 29.145755514463

Divisors of 21031807

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21031808
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10515904
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4586.0449190997
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999049059
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031807 can be divided by 2 positive divisors. The sum of these divisors (counting 21031807) is 21031808, the average is 10515904.

Base conversion 21031807

Base System Value
2 Binary 1010000001110101101111111
3 Ternary 1110120112012211
4 Quaternary 1100032231333
5 Quinary 20341004212
6 Senary 2030441251
8 Octal 120165577
10 Decimal 21031807
12 Duodecimal 7063227
16 Hexadecimal 140eb7f
20 Vigesimal 6b8ja7
36 Base36 cis8v

Cryptographic Hash Functions

md5 9a684fee1597be2cd1cdba068b09866a
sha1 94dcbd9a10d4bccb3c2a4d5fb2504d146e084071
sha256 6e3479819e87cc802eaeb2b8fba4a27139121acb22ec1deb500a57b65a7d72bd
sha512 ba3375b903e4e60686b765744805e588a3283b6c52da6cd0960cffe72f5fa20b2059098028aa4b70f676994351254712f65db6fe00e75cfb72b69726e0b1f36b
ripemd-160 0fcda4a43d2e9fef18344980270cd6d47e011be9

21031807 as geometric shapes

Circle

Radius = n
Diameter 42063614
Circumference 132146740.72584
Area 1.3896423733124E+15

Sphere

Radius = n
Volume 3.8968920259372E+22
Surface area 5.5585694932497E+15
Circumference 132146740.72584

Square

Length = n
Perimeter 84127228
Area 442336905685249
Diagonal 29743466.700613

Cube

Length = n
Surface area 2654021434111494
Volume 9.3031444293494E+21
Space diagonal 36428158.298983

Equilateral Triangle

Length = n
Perimeter 63095421
Area 1.9153749867741E+14
Altitude 18214079.149491

Triangular Pyramid

Length = n
Surface area 1.9153749867741E+14
Volume 1.0963860853918E+21
Height 9914488.9002045