21031725 (number)

21031725 is an odd 8-digits composite number following 21031724 and preceding 21031726. In scientific notation, it is written as 2.1031725 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 8985600 positive integers (up to 21031725) that are relatively prime to 21031725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031725 × 10^7
Engineering notation 2.1031725 × 10^6

Prime Factorization of 21031725

Prime Factorization 75 × 11 × 689 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031725
Product of the distinct prime numbers

The prime factorization of 21031725 is 75 × 11 × 689 × 37. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 23, 12, 787, 928, 7227, 9661, 28771, 47433, 243278, 932031, 51704, 2749637, 3178583, 70204146, 679079685, 974262126, 7338321224, 5093071348

Basic calculations (n = 21031725)

Multiplication

n×y
n×2 42063450
n×3 63095175
n×4 84126900
n×5 105158625

Division

n÷y
n÷2 10515862.5
n÷3 7010575
n÷3 5257931.25
n÷5 4206345

Exponentiation

ny
n2 442333456475625
n3 9.3030356148948E+21
n4 1.9565888671767E+29
n5 4.1150438992523E+36

Nth Root

y√n
2√n 4586.035869899
3√n 276.0312792737
4√n 67.720276652558
5√n 29.145732787404

Divisors of 21031725

1, 11, 37, 75, 407, 689, 825, 2775, 7579, 25493, 30525, 51675, 280423, 568425, 1911975, 21031725

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 -21031724
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 21031725 can be divided by 16 positive divisors. The sum of these divisors (counting 21031725) is 1, the average is 0.0625.

Base conversion 21031725

Base System Value
2 Binary 1010000001110101100101101
3 Ternary 1110120112002210
4 Quaternary 1100032230231
5 Quinary 20341003400
6 Senary 2030441033
8 Octal 120165455
10 Decimal 21031725
12 Duodecimal 7063179
16 Hexadecimal 140eb2d
20 Vigesimal 6b8j65
36 Base36 cis6l

Cryptographic Hash Functions

md5 bde39c4d4413d7e381c5fee20307bcf8
sha1 4c626445c4e4a47b0921a16db8c66e6a795223fe
sha256 9b198e0358eb214b35a4c3975e4da15e5987af3a99fb04f6b1493c4b29b7545b
sha512 ee9874f90b27517e1df51ee815fed985d065db7c228db0bdf0ce949cb3385763cdf80e342d3d5b5f8d2374d912a49ee487c8c31014c69a2972370fec311aa122
ripemd-160 c4d70fddea1b9bb8d051bebc68d90e1ab9be6a0b

21031725 as geometric shapes

Circle

Radius = n
Diameter 42063450
Circumference 132146225.50464
Area 1.3896315373008E+15

Sphere

Radius = n
Volume 3.896846445845E+22
Surface area 5.5585261492032E+15
Circumference 132146225.50464

Square

Length = n
Perimeter 84126900
Area 442333456475625
Diagonal 29743350.735101

Cube

Length = n
Surface area 2654000738853750
Volume 9.3030356148948E+21
Space diagonal 36428016.270817

Equilateral Triangle

Length = n
Perimeter 63095175
Area 1.9153600512583E+14
Altitude 18214008.135408

Triangular Pyramid

Length = n
Surface area 1.9153600512583E+14
Volume 1.0963732614853E+21
Height 9914450.2450338