21540897 (number)

21540897 is an odd 8-digits composite number following 21540896 and preceding 21540898. In scientific notation, it is written as 2.1540897 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12308760 positive integers (up to 21540897) that are relatively prime to 21540897.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty thousand eight hundred ninety-seven

Notation

Scientific notation 2.1540897 × 10^7
Engineering notation 2.1540897 × 10^6

Prime Factorization of 21540897

Prime Factorization 3 × 27 × 7 × 37991

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21540897
Product of the distinct prime numbers

The prime factorization of 21540897 is 3 × 27 × 7 × 37991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 21, 3, 345, 52, 4125, 7525, 13051, 59556, 752304, 242450, 2740202, 229741, 13852476, 13419808, 110907791, 991246471, 6666032462, 2014765469

Basic calculations (n = 21540897)

Multiplication

n×y
n×2 43081794
n×3 64622691
n×4 86163588
n×5 107704485

Division

n÷y
n÷2 10770448.5
n÷3 7180299
n÷3 5385224.25
n÷5 4308179.4

Exponentiation

ny
n2 464010243564609
n3 9.9951968635702E+21
n4 2.1530550613289E+29
n5 4.6378737311414E+36

Nth Root

y√n
2√n 4641.2171894881
3√n 278.24108703587
4√n 68.126479356328
5√n 29.285507657361

Divisors of 21540897

1, 3, 7, 21, 27, 81, 189, 567, 37991, 113973, 265937, 797811, 1025757, 3077271, 7180299, 21540897

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 -21540896
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 21540897 can be divided by 16 positive divisors. The sum of these divisors (counting 21540897) is 1, the average is 0.0625.

Base conversion 21540897

Base System Value
2 Binary 1010010001011000000100001
3 Ternary 1111112101120000
4 Quaternary 1102023000201
5 Quinary 21003302042
6 Senary 2045410213
8 Octal 122130041
10 Decimal 21540897
12 Duodecimal 7269969
16 Hexadecimal 148b021
20 Vigesimal 6ecc4h
36 Base36 ctp29

Cryptographic Hash Functions

md5 d1dc853656013185c6102e77cfc3fc44
sha1 cce8a544224cffbfaba29b53ec71c4a732141224
sha256 40a0a701691ad59148e43824d0302ea16598ef3f13f2f86763cbaa55ea82c22c
sha512 c3cc52dec221a9ce420127d9a9294549799e0fb27065533c7a7d2350499869d763b6407b31857bcf400bc2866c3b28c5a9605a2e6ba4b5be65b5a2524d7a90cc
ripemd-160 a1af39a5704aa38c6512495382028193aea77ce6

21540897 as geometric shapes

Circle

Radius = n
Diameter 43081794
Circumference 135345447.53387
Area 1.457731172373E+15

Sphere

Radius = n
Volume 4.1867782717034E+22
Surface area 5.8309246894919E+15
Circumference 135345447.53387

Square

Length = n
Perimeter 86163588
Area 464010243564609
Diagonal 30463428.683082

Cube

Length = n
Surface area 2784061461387654
Volume 9.9951968635702E+21
Space diagonal 37309928.044608

Equilateral Triangle

Length = n
Perimeter 64622691
Area 2.0092232927158E+14
Altitude 18654964.022304

Triangular Pyramid

Length = n
Surface area 2.0092232927158E+14
Volume 1.1779452469208E+21
Height 10154476.227694