21897475 (number)

21897475 is an odd 8-digits composite number following 21897474 and preceding 21897476. In scientific notation, it is written as 2.1897475 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 16924800 positive integers (up to 21897475) that are relatively prime to 21897475.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand four hundred seventy-five

Notation

Scientific notation 2.1897475 × 10^7
Engineering notation 2.1897475 × 10^6

Prime Factorization of 21897475

Prime Factorization 5 × 5 × 61 × 83 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4379495
Product of the distinct prime numbers

The prime factorization of 21897475 is 5 × 5 × 61 × 83 × 173. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 15, 31, 290, 722, 5233, 478, 54592, 79342, 498041, 247851, 9750042, 7343667, 71095710, 94024385, 130971983, 395812916, 6178472520, 6696316860

Basic calculations (n = 21897475)

Multiplication

n×y
n×2 43794950
n×3 65692425
n×4 87589900
n×5 109487375

Division

n÷y
n÷2 10948737.5
n÷3 7299158.3333333
n÷3 5474368.75
n÷5 4379495

Exponentiation

ny
n2 479499411375625
n3 1.0499826373112E+22
n4 2.2991968550957E+29
n5 5.0346605654537E+36

Nth Root

y√n
2√n 4679.4737952039
3√n 279.76798381812
4√n 68.406679463367
5√n 29.381827713828

Divisors of 21897475

1, 5, 25, 61, 83, 173, 305, 415, 865, 1525, 2075, 4325, 5063, 10553, 14359, 25315, 52765, 71795, 126575, 263825, 358975, 875899, 4379495, 21897475

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897474
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897475 can be divided by 24 positive divisors. The sum of these divisors (counting 21897475) is 1, the average is 0.041666666666667.

Base conversion 21897475

Base System Value
2 Binary 1010011100010000100000011
3 Ternary 1112012111200121
4 Quaternary 1103202010003
5 Quinary 21101204400
6 Senary 2101201111
8 Octal 123420403
10 Decimal 21897475
12 Duodecimal 7400197
16 Hexadecimal 14e2103
20 Vigesimal 6gh3df
36 Base36 d1c77

Cryptographic Hash Functions

md5 c709b8fa7431daf9a99fb757382b2ed3
sha1 7e76c82bf204ba7e677c022553442da6ed1ea9c3
sha256 e98ad96cf2b479948f16c22b79a5ab33987e68f0ebf4afd77b5ef66940765b1a
sha512 d851f66a05ad45de009ad060c921f1beff6835956dd12d4ab119d8d4ec00ccc4cae505af9e3043f9d27f8b12491541e82c9a75379095fc665404d3e736975557
ripemd-160 81e2913fdd3bbf2d98f3dbae30b079c1afe10b51

21897475 as geometric shapes

Circle

Radius = n
Diameter 43794950
Circumference 137585893.18433
Area 1.5063918281783E+15

Sphere

Radius = n
Volume 4.3981569863651E+22
Surface area 6.0255673127132E+15
Circumference 137585893.18433

Square

Length = n
Perimeter 87589900
Area 479499411375625
Diagonal 30967706.126726

Cube

Length = n
Surface area 2876996468253750
Volume 1.0499826373112E+22
Space diagonal 37927539.257469

Equilateral Triangle

Length = n
Perimeter 65692425
Area 2.0762933567549E+14
Altitude 18963769.628735

Triangular Pyramid

Length = n
Surface area 2.0762933567549E+14
Volume 1.2374164049515E+21
Height 10322568.708909