21025830 (number)

21025830 is an even 8-digits composite number following 21025829 and preceding 21025831. In scientific notation, it is written as 2.1025830 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 4721664 positive integers (up to 21025830) that are relatively prime to 21025830.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1025830 × 10^7
Engineering notation 2.1025830 × 10^6

Prime Factorization of 21025830

Prime Factorization 2 × 21 × 5 × 59 × 1697

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21025830
Product of the distinct prime numbers

The prime factorization of 21025830 is 2 × 21 × 5 × 59 × 1697. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 12, 32, 980, 857, 7131, 3193, 89204, 64769, 121989, 753113, 7428594, 308879, 85499532, 80107457, 143688114, 261401585, 2211557412, 4651952495

Basic calculations (n = 21025830)

Multiplication

n×y
n×2 42051660
n×3 63077490
n×4 84103320
n×5 105129150

Division

n÷y
n÷2 10512915
n÷3 7008610
n÷3 5256457.5
n÷5 4205166

Exponentiation

ny
n2 442085527188900
n3 9.2952151401342E+21
n4 1.9543961334989E+29
n5 4.1092800855605E+36

Nth Root

y√n
2√n 4585.3931129185
3√n 276.00548718349
4√n 67.715530810284
5√n 29.144098747769

Divisors of 21025830

1, 2, 5, 10, 21, 42, 59, 105, 118, 210, 295, 590, 1239, 1697, 2478, 3394, 6195, 8485, 12390, 16970, 35637, 71274, 100123, 178185, 200246, 356370, 500615, 1001230, 2102583, 4205166, 10512915, 21025830

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 -21025829
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 21025830 can be divided by 32 positive divisors. The sum of these divisors (counting 21025830) is 1, the average is 0.03125.

Base conversion 21025830

Base System Value
2 Binary 1010000001101010000100110
3 Ternary 1110120020000110
4 Quaternary 1100031100212
5 Quinary 20340311310
6 Senary 2030353450
8 Octal 120152046
10 Decimal 21025830
12 Duodecimal 705b886
16 Hexadecimal 140d426
20 Vigesimal 6b84ba
36 Base36 cinmu

Cryptographic Hash Functions

md5 02c24e71a8a08ee5ed9b7c5ee6431807
sha1 fef25f593d4377792bd95123ef2815230f62da23
sha256 68648de60188a15cd02eb34a28f703e2315954a26af5024c89dd2ddfc578f614
sha512 e449cd0ae247ed69cfe69ea04517c359b10706a98e858e805caa3bde93bcff65d6d150f74b72fa71800f9bdb05829a611951f4348977e737e55a6c401504876d
ripemd-160 c3e6c26a953c24f04afec14d92bba45b6d2815ef

21025830 as geometric shapes

Circle

Radius = n
Diameter 42051660
Circumference 132109186.12726
Area 1.388852644475E+15

Sphere

Radius = n
Volume 3.8935706130376E+22
Surface area 5.5554105779001E+15
Circumference 132109186.12726

Square

Length = n
Perimeter 84103320
Area 442085527188900
Diagonal 29735013.946151

Cube

Length = n
Surface area 2652513163133400
Volume 9.2952151401342E+21
Space diagonal 36417805.831306

Equilateral Triangle

Length = n
Perimeter 63077490
Area 1.9142864859551E+14
Altitude 18208902.915653

Triangular Pyramid

Length = n
Surface area 1.9142864859551E+14
Volume 1.0954516096961E+21
Height 9911671.3153837