21495488 (number)

21495488 is an even 8-digits composite number following 21495487 and preceding 21495489. In scientific notation, it is written as 2.1495488 × 10^7. The sum of its digits is 41. It has a total of 8 prime factors and 28 positive divisors. There are 9212160 positive integers (up to 21495488) that are relatively prime to 21495488.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand four hundred eighty-eight

Notation

Scientific notation 2.1495488 × 10^7
Engineering notation 2.1495488 × 10^6

Prime Factorization of 21495488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 47981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 671734
Product of the distinct prime numbers

The prime factorization of 21495488 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 47981. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 6, 49, 2, 124, 368, 703, 632, 78331, 40621, 823410, 224141, 5661693, 5041994, 58639590, 17020140, 449349548, 46483739, 5072064063, 3987234435

Basic calculations (n = 21495488)

Multiplication

n×y
n×2 42990976
n×3 64486464
n×4 85981952
n×5 107477440

Division

n÷y
n÷2 10747744
n÷3 7165162.6666667
n÷3 5373872
n÷5 4299097.6

Exponentiation

ny
n2 462056004358144
n3 9.9321192970084E+21
n4 2.1349575116341E+29
n5 4.5891953571841E+36

Nth Root

y√n
2√n 4636.322680746
3√n 278.04543535626
4√n 68.090547660788
5√n 29.273150248419

Divisors of 21495488

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47981, 95962, 191924, 335867, 383848, 671734, 767696, 1343468, 1535392, 2686936, 3070784, 5373872, 10747744, 21495488

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495488 can be divided by 28 positive divisors. The sum of these divisors (counting 21495488) is 1, the average is 0.035714285714286.

Base conversion 21495488

Base System Value
2 Binary 1010001111111111011000000
3 Ternary 1111110002021012
4 Quaternary 1101333323000
5 Quinary 21000323423
6 Senary 2044420052
8 Octal 121777300
10 Decimal 21495488
12 Duodecimal 7247628
16 Hexadecimal 147fec0
20 Vigesimal 6e6ie8
36 Base36 csq0w

Cryptographic Hash Functions

md5 9aeccf23f12715f71aaffbd30eee0ed2
sha1 8e82016b9ada44638e5048b6147f2eceeebb0983
sha256 288d9be23e7aa1d988a63daf6777ba78746857aeba3dee7eb95cd16e79eb2280
sha512 2b7556796a4c2a7c7dfa63a9993da4aa1f4705834498746ee19a6ebc0d74ec035b619846cb91c186ea553a0a80aa50eff568079db55b15b7d853cc05f37adbeb
ripemd-160 e493dd3061d77510aba4700434015dedc774118b

21495488 as geometric shapes

Circle

Radius = n
Diameter 42990976
Circumference 135060134.37226
Area 1.4515917488386E+15

Sphere

Radius = n
Volume 4.1603564024079E+22
Surface area 5.8063669953544E+15
Circumference 135060134.37226

Square

Length = n
Perimeter 85981952
Area 462056004358144
Diagonal 30399210.659428

Cube

Length = n
Surface area 2772336026148864
Volume 9.9321192970084E+21
Space diagonal 37231277.349487

Equilateral Triangle

Length = n
Perimeter 64486464
Area 2.0007611887264E+14
Altitude 18615638.674744

Triangular Pyramid

Length = n
Surface area 2.0007611887264E+14
Volume 1.1705114844114E+21
Height 10133070.219809