21491277 (number)

21491277 is an odd 8-digits composite number following 21491276 and preceding 21491278. In scientific notation, it is written as 2.1491277 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13777200 positive integers (up to 21491277) that are relatively prime to 21491277.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand two hundred seventy-seven

Notation

Scientific notation 2.1491277 × 10^7
Engineering notation 2.1491277 × 10^6

Prime Factorization of 21491277

Prime Factorization 3 × 179 × 31 × 1291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491277
Product of the distinct prime numbers

The prime factorization of 21491277 is 3 × 179 × 31 × 1291. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 86, 39, 755, 742, 3382, 2373, 89279, 29035, 631068, 847132, 9554320, 3101241, 82064009, 77351645, 123085400, 723163362, 3604862400, 4945717115

Basic calculations (n = 21491277)

Multiplication

n×y
n×2 42982554
n×3 64473831
n×4 85965108
n×5 107456385

Division

n÷y
n÷2 10745638.5
n÷3 7163759
n÷3 5372819.25
n÷5 4298255.4

Exponentiation

ny
n2 461874987090729
n3 9.9262832869383E+21
n4 2.1332850370006E+29
n5 4.5847019650135E+36

Nth Root

y√n
2√n 4635.86852704
3√n 278.02727765741
4√n 68.08721265436
5√n 29.272003227274

Divisors of 21491277

1, 3, 31, 93, 179, 537, 1291, 3873, 5549, 16647, 40021, 120063, 231089, 693267, 7163759, 21491277

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 -21491276
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 21491277 can be divided by 16 positive divisors. The sum of these divisors (counting 21491277) is 1, the average is 0.0625.

Base conversion 21491277

Base System Value
2 Binary 1010001111110111001001101
3 Ternary 1111102212111020
4 Quaternary 1101332321031
5 Quinary 21000210102
6 Senary 2044344353
8 Octal 121767115
10 Decimal 21491277
12 Duodecimal 72450b9
16 Hexadecimal 147ee4d
20 Vigesimal 6e683h
36 Base36 csmrx

Cryptographic Hash Functions

md5 a6ab0bb469b9e26117420660096c2de6
sha1 9513d182ecb517f1fd48af13ae1b842c73ece11b
sha256 d4d66af463a9ec08bffe760eed7c15e56f6a128554e6625c8cce8b12ab3848d9
sha512 c90169a4a1acda3da868c313fd55f12e5d32599858fd7dc9fdb27cdb3b2067a036998472679f6be9af822f0f09ebe41c2d9778eed09ffb46f2ac90ff64334333
ripemd-160 9a42e6af06e9c8f6b659904ae199065a8aeb11f4

21491277 as geometric shapes

Circle

Radius = n
Diameter 42982554
Circumference 135033675.87893
Area 1.4510230663211E+15

Sphere

Radius = n
Volume 4.1579118202262E+22
Surface area 5.8040922652845E+15
Circumference 135033675.87893

Square

Length = n
Perimeter 85965108
Area 461874987090729
Diagonal 30393255.406117

Cube

Length = n
Surface area 2771249922544374
Volume 9.9262832869383E+21
Space diagonal 37223983.683536

Equilateral Triangle

Length = n
Perimeter 64473831
Area 1.9999773609659E+14
Altitude 18611991.841768

Triangular Pyramid

Length = n
Surface area 1.9999773609659E+14
Volume 1.1698237040288E+21
Height 10131085.135372