21025837 (number)

21025837 is an odd 8-digits composite number following 21025836 and preceding 21025838. In scientific notation, it is written as 2.1025837 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 16943040 positive integers (up to 21025837) that are relatively prime to 21025837.

Interesting facts

Basic properties

Name

Name twenty-one million twenty-five thousand eight hundred thirty-seven

Notation

Scientific notation 2.1025837 × 10^7
Engineering notation 2.1025837 × 10^6

Prime Factorization of 21025837

Prime Factorization 7 × 19 × 149 × 1061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21025837
Product of the distinct prime numbers

The prime factorization of 21025837 is 7 × 19 × 149 × 1061. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 95, 99, 1000, 186, 8797, 353, 50717, 60826, 463427, 735500, 1525882, 2124947, 92537767, 93979726, 445250273, 915131826, 6617405852, 7256430576

Basic calculations (n = 21025837)

Multiplication

n×y
n×2 42051674
n×3 63077511
n×4 84103348
n×5 105129185

Division

n÷y
n÷2 10512918.5
n÷3 7008612.3333333
n÷3 5256459.25
n÷5 4205167.4

Exponentiation

ny
n2 442085821550569
n3 9.2952244239334E+21
n4 1.9543987361604E+29
n5 4.1092869259515E+36

Nth Root

y√n
2√n 4585.3938762117
3√n 276.00551781309
4√n 67.715536446311
5√n 29.144100688322

Divisors of 21025837

1, 7, 19, 133, 149, 1043, 1061, 2831, 7427, 19817, 20159, 141113, 158089, 1106623, 3003691, 21025837

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 -21025836
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 21025837 can be divided by 16 positive divisors. The sum of these divisors (counting 21025837) is 1, the average is 0.0625.

Base conversion 21025837

Base System Value
2 Binary 1010000001101010000101101
3 Ternary 1110120020000201
4 Quaternary 1100031100231
5 Quinary 20340311322
6 Senary 2030353501
8 Octal 120152055
10 Decimal 21025837
12 Duodecimal 705b891
16 Hexadecimal 140d42d
20 Vigesimal 6b84bh
36 Base36 cinn1

Cryptographic Hash Functions

md5 d0ed08d2c695dbfdffa7d11fec6db0e8
sha1 1875307e3db0e069c870f1cad08f9e8a3a317153
sha256 9a802c1ce903f8536852f5a049d169a4c9bd40f8e9b649409fbcad25c968f73e
sha512 511955c16f85d6a8adb44555500b1ea03a69712747946fb8b669e95abe24fd8f427ac9d7cc246a889b660b3ca05e1bfba7de7232591f0e40b63592ce6b4f000d
ripemd-160 b6d8ef9e81247e5dd2f4c9bbeb1f69b45e899c93

21025837 as geometric shapes

Circle

Radius = n
Diameter 42051674
Circumference 132109230.10955
Area 1.3888535692395E+15

Sphere

Radius = n
Volume 3.8935745018263E+22
Surface area 5.5554142769579E+15
Circumference 132109230.10955

Square

Length = n
Perimeter 84103348
Area 442085821550569
Diagonal 29735023.845646

Cube

Length = n
Surface area 2652514929303414
Volume 9.2952244239334E+21
Space diagonal 36417817.955662

Equilateral Triangle

Length = n
Perimeter 63077511
Area 1.9142877605785E+14
Altitude 18208908.977831

Triangular Pyramid

Length = n
Surface area 1.9142877605785E+14
Volume 1.0954527038023E+21
Height 9911674.6152153