21000870 (number)

21000870 is an even 8-digits composite number following 21000869 and preceding 21000871. In scientific notation, it is written as 2.1000870 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 5088960 positive integers (up to 21000870) that are relatively prime to 21000870.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy

Notation

Scientific notation 2.1000870 × 10^7
Engineering notation 2.1000870 × 10^6

Prime Factorization of 21000870

Prime Factorization 2 × 45 × 3 × 33 × 2357

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21000870
Product of the distinct prime numbers

The prime factorization of 21000870 is 2 × 45 × 3 × 33 × 2357. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 66, 13, 320, 570, 3861, 6309, 77562, 47656, 585106, 20288, 9197697, 5725594, 73964342, 58485194, 250513842, 294680565, 6240779384, 5968759116

Basic calculations (n = 21000870)

Multiplication

n×y
n×2 42001740
n×3 63002610
n×4 84003480
n×5 105004350

Division

n÷y
n÷2 10500435
n÷3 7000290
n÷3 5250217.5
n÷5 4200174

Exponentiation

ny
n2 441036540756900
n3 9.2621510576854E+21
n4 1.9451323028281E+29
n5 4.0849470624494E+36

Nth Root

y√n
2√n 4582.670618755
3√n 275.89622752841
4√n 67.695425390162
5√n 29.137176002076

Divisors of 21000870

1, 2, 3, 6, 33, 45, 66, 90, 99, 135, 198, 270, 1485, 2357, 2970, 4455, 4714, 7071, 8910, 14142, 77781, 106065, 155562, 212130, 233343, 318195, 466686, 636390, 3500145, 7000290, 10500435, 21000870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000870 can be divided by 32 positive divisors. The sum of these divisors (counting 21000870) is 1, the average is 0.03125.

Base conversion 21000870

Base System Value
2 Binary 1010000000111001010100110
3 Ternary 1110111221210000
4 Quaternary 1100013022212
5 Quinary 20334011440
6 Senary 2030042130
8 Octal 120071246
10 Decimal 21000870
12 Duodecimal 7049346
16 Hexadecimal 14072a6
20 Vigesimal 6b523a
36 Base36 ci4di

Cryptographic Hash Functions

md5 bd2c7b58825b99619edd92cc2abdd225
sha1 3d2782cfac3a6abf5465b6e4f708fd1ef7b32215
sha256 64ab9c42d73b99a069c43a3125bb82243fc35eaa825d37ef94b37ed2cc7ab179
sha512 242b1fdfcca4fcfe2a3bc89f9288aa871e517cb546d3b89baa63317a3353c5ec8562a90ac8b2726bf226fcc1829274e7a0b92504ac39fa9ff67064951bd2f86d
ripemd-160 8e8edc0078b771ecdc702df4fc0c2cdac5e8d832

21000870 as geometric shapes

Circle

Radius = n
Diameter 42001740
Circumference 131952357.82199
Area 1.3855571564065E+15

Sphere

Radius = n
Volume 3.8797207625684E+22
Surface area 5.5422286256261E+15
Circumference 131952357.82199

Square

Length = n
Perimeter 84003480
Area 441036540756900
Diagonal 29699715.175634

Cube

Length = n
Surface area 2646219244541400
Volume 9.2621510576854E+21
Space diagonal 36374573.843149

Equilateral Triangle

Length = n
Perimeter 63002610
Area 1.9097442414634E+14
Altitude 18187286.921575

Triangular Pyramid

Length = n
Surface area 1.9097442414634E+14
Volume 1.0915549702106E+21
Height 9899905.0585448