21090947 (number)

21090947 is an odd 8-digits prime number following 21090946 and preceding 21090948. In scientific notation, it is written as 2.1090947 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21090946 positive integers (up to 21090947) that are relatively prime to 21090947.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred forty-seven

Notation

Scientific notation 2.1090947 × 10^7
Engineering notation 2.1090947 × 10^6

Prime Factorization of 21090947

Prime Factorization 21090947

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21090947
Product of the distinct prime numbers

The prime factorization of 21090947 is 21090947. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21090947)

Multiplication

n×y
n×2 42181894
n×3 63272841
n×4 84363788
n×5 105454735

Division

n÷y
n÷2 10545473.5
n÷3 7030315.6666667
n÷3 5272736.75
n÷5 4218189.4

Exponentiation

ny
n2 444828045356809
n3 9.3818447287341E+21
n4 1.9787198993596E+29
n5 4.1733076525239E+36

Nth Root

y√n
2√n 4592.4881055916
3√n 276.29012323036
4√n 67.767898783949
5√n 29.162128282602

Divisors of 21090947

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21090948
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10545474
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4592.488214465
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051726
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21090947 can be divided by 2 positive divisors. The sum of these divisors (counting 21090947) is 21090948, the average is 10545474.

Base conversion 21090947

Base System Value
2 Binary 1010000011101001010000011
3 Ternary 1110200112100012
4 Quaternary 1100131022003
5 Quinary 20344402242
6 Senary 2032015135
8 Octal 120351203
10 Decimal 21090947
12 Duodecimal 70914ab
16 Hexadecimal 141d283
20 Vigesimal 6bg777
36 Base36 ck1vn

Cryptographic Hash Functions

md5 0a592b4c23c00c1a4a24afd952c6f43e
sha1 9ea9617f6929c842dbd69a60dc20b044e6551317
sha256 ed8828aa0089d342940f42f5f114563a4f95d8d7097db47bc58bd456b5ce2416
sha512 d337f1e63867c52f0787f7ed1af84d6610f7ea14bfb6db30db91efa51e0c003b5926d6b78abbe5eecd1dd94da1ad3ff53307fc7f2fbb200fc44dc0448ef277f8
ripemd-160 ed964128eec53e9b1b7b2eed44b5749567521cd9

21090947 as geometric shapes

Circle

Radius = n
Diameter 42181894
Circumference 132518328.3049
Area 1.3974685194037E+15

Sphere

Radius = n
Volume 3.9298579302548E+22
Surface area 5.5898740776146E+15
Circumference 132518328.3049

Square

Length = n
Perimeter 84363788
Area 444828045356809
Diagonal 29827103.290692

Cube

Length = n
Surface area 2668968272140854
Volume 9.3818447287341E+21
Space diagonal 36530591.783742

Equilateral Triangle

Length = n
Perimeter 63272841
Area 1.9261619379739E+14
Altitude 18265295.891871

Triangular Pyramid

Length = n
Surface area 1.9261619379739E+14
Volume 1.1056610046212E+21
Height 9942367.763564