21497955 (number)

21497955 is an odd 8-digits composite number following 21497954 and preceding 21497956. In scientific notation, it is written as 2.1497955 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 11293920 positive integers (up to 21497955) that are relatively prime to 21497955.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred fifty-five

Notation

Scientific notation 2.1497955 × 10^7
Engineering notation 2.1497955 × 10^6

Prime Factorization of 21497955

Prime Factorization 3 × 5 × 67 × 21391

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497955
Product of the distinct prime numbers

The prime factorization of 21497955 is 3 × 5 × 67 × 21391. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 19, 71, 108, 101, 674, 4435, 78103, 9229, 745719, 789048, 1526161, 3030617, 29390805, 43936060, 690306148, 744770967, 7301209803, 5058338103

Basic calculations (n = 21497955)

Multiplication

n×y
n×2 42995910
n×3 64493865
n×4 85991820
n×5 107489775

Division

n÷y
n÷2 10748977.5
n÷3 7165985
n÷3 5374488.75
n÷5 4299591

Exponentiation

ny
n2 462162069182025
n3 9.9355393659821E+21
n4 2.1359377819061E+29
n5 4.5918294318217E+36

Nth Root

y√n
2√n 4636.5887244827
3√n 278.05607188069
4√n 68.092501235325
5√n 29.273822143345

Divisors of 21497955

1, 3, 5, 15, 67, 201, 335, 1005, 21391, 64173, 106955, 320865, 1433197, 4299591, 7165985, 21497955

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 -21497954
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 21497955 can be divided by 16 positive divisors. The sum of these divisors (counting 21497955) is 1, the average is 0.0625.

Base conversion 21497955

Base System Value
2 Binary 1010010000000100001100011
3 Ternary 1111110012122120
4 Quaternary 1102000201203
5 Quinary 21000413310
6 Senary 2044435323
8 Octal 122004143
10 Decimal 21497955
12 Duodecimal 7248b43
16 Hexadecimal 1480863
20 Vigesimal 6e74hf
36 Base36 csrxf

Cryptographic Hash Functions

md5 a01f508894487a0bb12e29ffa2fbea5a
sha1 ed3f7b91ce79b090d00ca94676398cc770babea1
sha256 f28902320c66819a4e982d2c6e8a4ef0e3f80d64290b74d43bb43e2a756ea7ca
sha512 775ec539d27d6ef723ae9ea9b51fc7fd753dd8a63cfabb5877dbd53bd10983a685baba5f14f8538344735bb34a8cdda9ad78aa2245d27027989840931a8a496b
ripemd-160 d5f4e2fe91fa30b01e834a6967d1e24fbf9a0796

21497955 as geometric shapes

Circle

Radius = n
Diameter 42995910
Circumference 135075634.99041
Area 1.4519249613101E+15

Sphere

Radius = n
Volume 4.1617889975495E+22
Surface area 5.8076998452404E+15
Circumference 135075634.99041

Square

Length = n
Perimeter 85991820
Area 462162069182025
Diagonal 30402699.524286

Cube

Length = n
Surface area 2772972415092150
Volume 9.9355393659821E+21
Space diagonal 37235550.318829

Equilateral Triangle

Length = n
Perimeter 64493865
Area 2.0012204628861E+14
Altitude 18617775.159415

Triangular Pyramid

Length = n
Surface area 2.0012204628861E+14
Volume 1.1709145434053E+21
Height 10134233.174762