21031975 (number)

21031975 is an odd 8-digits composite number following 21031974 and preceding 21031976. In scientific notation, it is written as 2.1031975 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 15232000 positive integers (up to 21031975) that are relatively prime to 21031975.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred seventy-five

Notation

Scientific notation 2.1031975 × 10^7
Engineering notation 2.1031975 × 10^6

Prime Factorization of 21031975

Prime Factorization 25 × 41 × 17 × 17 × 71

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1237175
Product of the distinct prime numbers

The prime factorization of 21031975 is 25 × 41 × 17 × 17 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 39, 2, 398, 54, 2259, 6140, 88262, 58082, 282154, 16438, 7052459, 1613115, 24551511, 69086322, 160734488, 225170127, 1860050383, 5807825694

Basic calculations (n = 21031975)

Multiplication

n×y
n×2 42063950
n×3 63095925
n×4 84127900
n×5 105159875

Division

n÷y
n÷2 10515987.5
n÷3 7010658.3333333
n÷3 5257993.75
n÷5 4206395

Exponentiation

ny
n2 442343972400625
n3 9.3033673689306E+21
n4 1.9566818991916E+29
n5 4.1152884786751E+36

Nth Root

y√n
2√n 4586.0631264735
3√n 276.0323729793
4√n 67.72047789608
5√n 29.145802076999

Divisors of 21031975

1, 17, 25, 41, 71, 289, 425, 697, 1025, 1207, 1775, 2911, 7225, 11849, 17425, 20519, 30175, 49487, 72775, 296225, 512975, 841279, 1237175, 21031975

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 -21031974
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 21031975 can be divided by 24 positive divisors. The sum of these divisors (counting 21031975) is 1, the average is 0.041666666666667.

Base conversion 21031975

Base System Value
2 Binary 1010000001110110000100111
3 Ternary 1110120112110001
4 Quaternary 1100032300213
5 Quinary 20341010400
6 Senary 2030442131
8 Octal 120166047
10 Decimal 21031975
12 Duodecimal 7063347
16 Hexadecimal 140ec27
20 Vigesimal 6b8jif
36 Base36 cisdj

Cryptographic Hash Functions

md5 e414f16c472991ff2d01c9ee98d6dd05
sha1 4d9595ef6c758e974285f72169feda623b8f8fa3
sha256 9bf54e6ab1aecd76d45d1171c73f764e9710cf3fc0c45c98c908c8afe4f47d90
sha512 2ed35933da85be59c2efba45d617a7cac34998274c4691886799b008e44c071e59fc965b92109b1513221347caf82d42d3c613f4671ac18268e62425b09422df
ripemd-160 dc710d8508562546ec9fb64594528bdae8b6cb00

21031975 as geometric shapes

Circle

Radius = n
Diameter 42063950
Circumference 132147796.30097
Area 1.3896645740535E+15

Sphere

Radius = n
Volume 3.8969854106506E+22
Surface area 5.5586582962141E+15
Circumference 132147796.30097

Square

Length = n
Perimeter 84127900
Area 442343972400625
Diagonal 29743704.288492

Cube

Length = n
Surface area 2654063834403750
Volume 9.3033673689306E+21
Space diagonal 36428449.283518

Equilateral Triangle

Length = n
Perimeter 63095925
Area 1.9154055865493E+14
Altitude 18214224.641759

Triangular Pyramid

Length = n
Surface area 1.9154055865493E+14
Volume 1.0964123590734E+21
Height 9914568.096164