21502021 (number)

21502021 is an odd 8-digits composite number following 21502020 and preceding 21502022. In scientific notation, it is written as 2.1502021 × 10^7. The sum of its digits is 13. It has a total of 4 prime factors and 12 positive divisors. There are 20227200 positive integers (up to 21502021) that are relatively prime to 21502021.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred two thousand twenty-one

Notation

Scientific notation 2.1502021 × 10^7
Engineering notation 2.1502021 × 10^6

Prime Factorization of 21502021

Prime Factorization 29 × 43 × 43 × 401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 500047
Product of the distinct prime numbers

The prime factorization of 21502021 is 29 × 43 × 43 × 401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21502021)

Multiplication

n×y
n×2 43004042
n×3 64506063
n×4 86008084
n×5 107510105

Division

n÷y
n÷2 10751010.5
n÷3 7167340.3333333
n÷3 5375505.25
n÷5 4300404.2

Exponentiation

ny
n2 462336907084441
n3 9.9411778852047E+21
n4 2.1375541565241E+29
n5 4.5961734362218E+36

Nth Root

y√n
2√n 4637.0271726614
3√n 278.07360075291
4√n 68.095720663353
5√n 29.27492939617

Divisors of 21502021

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 -21502020
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 21502021 can be divided by 12 positive divisors. The sum of these divisors (counting 21502021) is 1, the average is 0.083333333333333.

Base conversion 21502021

Base System Value
2 Binary 1010010000001100001000101
3 Ternary 1111110102020011
4 Quaternary 1102001201011
5 Quinary 21001031041
6 Senary 2044510221
8 Octal 122014105
10 Decimal 21502021
12 Duodecimal 724b371
16 Hexadecimal 1481845
20 Vigesimal 6e7f11
36 Base36 csv2d

Cryptographic Hash Functions

md5 c5834bf62786f4ae8785c31d26563393
sha1 633aadb129a17080b02a92c6cc204d3aafb396bd
sha256 0215c09fc138e81ac5d3c578e798328affa5edf7819bd7337ea6281901712f88
sha512 06ce77a3bd39a56788671a6b0268fcefae874505ee459dfae38a1071e42ac0420a741c47280830471c4d0450b9291e176b80bb93ab8f5cb3ca3646f27a1ce59f
ripemd-160 4ceed47d6d9da394df46474719180e5f18400d08

21502021 as geometric shapes

Circle

Radius = n
Diameter 43004042
Circumference 135101182.42187
Area 1.4524742307799E+15

Sphere

Radius = n
Volume 4.1641508549585E+22
Surface area 5.8098969231196E+15
Circumference 135101182.42187

Square

Length = n
Perimeter 86008084
Area 462336907084441
Diagonal 30408449.716631

Cube

Length = n
Surface area 2774021442506646
Volume 9.9411778852047E+21
Space diagonal 37242592.837413

Equilateral Triangle

Length = n
Perimeter 64506063
Area 2.0019775332113E+14
Altitude 18621296.418706

Triangular Pyramid

Length = n
Surface area 2.0019775332113E+14
Volume 1.1715790492683E+21
Height 10136149.905544