21031272 (number)

21031272 is an even 8-digits composite number following 21031271 and preceding 21031273. In scientific notation, it is written as 2.1031272 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 7010352 positive integers (up to 21031272) that are relatively prime to 21031272.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred seventy-two

Notation

Scientific notation 2.1031272 × 10^7
Engineering notation 2.1031272 × 10^6

Prime Factorization of 21031272

Prime Factorization 2 × 2 × 2 × 27 × 97367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5257818
Product of the distinct prime numbers

The prime factorization of 21031272 is 2 × 2 × 2 × 27 × 97367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031272)

Multiplication

n×y
n×2 42062544
n×3 63093816
n×4 84125088
n×5 105156360

Division

n÷y
n÷2 10515636
n÷3 7010424
n÷3 5257818
n÷5 4206254.4

Exponentiation

ny
n2 442314401937984
n3 9.3024344966751E+21
n4 1.9564203016176E+29
n5 4.1146007509641E+36

Nth Root

y√n
2√n 4585.9864805732
3√n 276.02929745707
4√n 67.719911994724
5√n 29.145607232979

Divisors of 21031272

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 -21031271
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 21031272 can be divided by 16 positive divisors. The sum of these divisors (counting 21031272) is 1, the average is 0.0625.

Base conversion 21031272

Base System Value
2 Binary 1010000001110100101101000
3 Ternary 1110120111111000
4 Quaternary 1100032211220
5 Quinary 20341000042
6 Senary 2030435000
8 Octal 120164550
10 Decimal 21031272
12 Duodecimal 7062a60
16 Hexadecimal 140e968
20 Vigesimal 6b8i3c
36 Base36 ciru0

Cryptographic Hash Functions

md5 a11f8c979fd7d6afa980aabebb499fd1
sha1 4411295068566abc9453e3546fc315fc709dc731
sha256 9a7996489d54975bf025cccb509c589b0c645841f96bc95f721a39efac606bf2
sha512 ecac818b6f1658107f26a9bfcbe062bff1dbb2c22b4e4a223e7766669417cbef13ad756ce48468b9a05a4488d7e6b7bd74537a2264607f8acfbd126fb73a4dec
ripemd-160 894f4cc097fcbd33e1a9f1bc1c0bdd69d48c3183

21031272 as geometric shapes

Circle

Radius = n
Diameter 42062544
Circumference 132143379.2217
Area 1.3895716757053E+15

Sphere

Radius = n
Volume 3.896594650034E+22
Surface area 5.5582867028213E+15
Circumference 132143379.2217

Square

Length = n
Perimeter 84125088
Area 442314401937984
Diagonal 29742710.096358

Cube

Length = n
Surface area 2653886411627904
Volume 9.3024344966751E+21
Space diagonal 36427231.651801

Equilateral Triangle

Length = n
Perimeter 63093816
Area 1.9152775426901E+14
Altitude 18213615.8259

Triangular Pyramid

Length = n
Surface area 1.9152775426901E+14
Volume 1.0963024190238E+21
Height 9914236.6987858