21031549 (number)

21031549 is an odd 8-digits composite number following 21031548 and preceding 21031550. In scientific notation, it is written as 2.1031549 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 16153200 positive integers (up to 21031549) that are relatively prime to 21031549.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031549 × 10^7
Engineering notation 2.1031549 × 10^6

Prime Factorization of 21031549

Prime Factorization 7 × 11 × 71 × 3847

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031549
Product of the distinct prime numbers

The prime factorization of 21031549 is 7 × 11 × 71 × 3847. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 30, 61, 10, 577, 4524, 5897, 99581, 16143, 469375, 338962, 608029, 9757986, 20391846, 57899233, 65924537, 375291507, 3003407861, 2632825904

Basic calculations (n = 21031549)

Multiplication

n×y
n×2 42063098
n×3 63094647
n×4 84126196
n×5 105157745

Division

n÷y
n÷2 10515774.5
n÷3 7010516.3333333
n÷3 5257887.25
n÷5 4206309.8

Exponentiation

ny
n2 442326053339401
n3 9.3028020647842E+21
n4 1.9565233746281E+29
n5 4.1148717223136E+36

Nth Root

y√n
2√n 4586.0166811733
3√n 276.03050929976
4√n 67.720134976042
5√n 29.145684007133

Divisors of 21031549

1, 7, 11, 71, 77, 497, 781, 3847, 5467, 26929, 42317, 273137, 296219, 1911959, 3004507, 21031549

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 -21031548
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 21031549 can be divided by 16 positive divisors. The sum of these divisors (counting 21031549) is 1, the average is 0.0625.

Base conversion 21031549

Base System Value
2 Binary 1010000001110101001111101
3 Ternary 1110120111212021
4 Quaternary 1100032221331
5 Quinary 20341002144
6 Senary 2030440141
8 Octal 120165175
10 Decimal 21031549
12 Duodecimal 7063051
16 Hexadecimal 140ea7d
20 Vigesimal 6b8ih9
36 Base36 cis1p

Cryptographic Hash Functions

md5 1c0ad64e784e60cfc7d95f5fd6af25e0
sha1 a1a9f8f00a4f3accf642a19ae959a641ecb1e376
sha256 aede5fd916fc4e64ef5137f73be462f8bc8d4c71ca4cca8f2921838b2d68eb70
sha512 3089ed3b583ee6979aac3fc4664cead42e61c91f09a2e8f43ad5c9614e888a7ad43207309177f85488735406fe354fa30a449226f3e033c52f7983f93c5b2736
ripemd-160 6ddb8b049864e8e2392403c6526db35216202bf9

21031549 as geometric shapes

Circle

Radius = n
Diameter 42063098
Circumference 132145119.66403
Area 1.3896082796624E+15

Sphere

Radius = n
Volume 3.8967486166035E+22
Surface area 5.5584331186497E+15
Circumference 132145119.66403

Square

Length = n
Perimeter 84126196
Area 442326053339401
Diagonal 29743101.833514

Cube

Length = n
Surface area 2653956320036406
Volume 9.3028020647842E+21
Space diagonal 36427711.429874

Equilateral Triangle

Length = n
Perimeter 63094647
Area 1.9153279947382E+14
Altitude 18213855.714937

Triangular Pyramid

Length = n
Surface area 1.9153279947382E+14
Volume 1.0963457373409E+21
Height 9914367.2778381