21495901 (number)

21495901 is an odd 8-digits composite number following 21495900 and preceding 21495902. In scientific notation, it is written as 2.1495901 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18364320 positive integers (up to 21495901) that are relatively prime to 21495901.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred one

Notation

Scientific notation 2.1495901 × 10^7
Engineering notation 2.1495901 × 10^6

Prime Factorization of 21495901

Prime Factorization 7 × 313 × 9811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21495901
Product of the distinct prime numbers

The prime factorization of 21495901 is 7 × 313 × 9811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495901)

Multiplication

n×y
n×2 42991802
n×3 64487703
n×4 85983604
n×5 107479505

Division

n÷y
n÷2 10747950.5
n÷3 7165300.3333333
n÷3 5373975.25
n÷5 4299180.2

Exponentiation

ny
n2 462073759801801
n3 9.9326917953973E+21
n4 2.1351215949737E+29
n5 4.5896362428517E+36

Nth Root

y√n
2√n 4636.3672201412
3√n 278.04721607151
4√n 68.090874720048
5√n 29.27326273452

Divisors of 21495901

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495900
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495901 can be divided by 8 positive divisors. The sum of these divisors (counting 21495901) is 1, the average is 0.125.

Base conversion 21495901

Base System Value
2 Binary 1010010000000000001011101
3 Ternary 1111110002211111
4 Quaternary 1102000001131
5 Quinary 21000332101
6 Senary 2044422021
8 Octal 122000135
10 Decimal 21495901
12 Duodecimal 7247911
16 Hexadecimal 148005d
20 Vigesimal 6e6jf1
36 Base36 csqcd

Cryptographic Hash Functions

md5 46f5bafb32b849d253cceb71fb86d3d9
sha1 f8b790013431a4d3416c5568d0a3f41a86b94285
sha256 438dfa6d7fa301bb807e9110f2db95e86016dccbee77d892904e9da6ef7b9e48
sha512 61976b4f5b54faf9a450e40ac07a936b10b75169b0195fe073ea4630434741d01f4fb73f2a4d460bda598af00cab397f35d2d5fd9ca484b3b308b3b2969366b2
ripemd-160 09fd5b638539761f3de371cace200b412541bfa5

21495901 as geometric shapes

Circle

Radius = n
Diameter 42991802
Circumference 135062729.32779
Area 1.45164752921E+15

Sphere

Radius = n
Volume 4.1605962099722E+22
Surface area 5.8065901168398E+15
Circumference 135062729.32779

Square

Length = n
Perimeter 85983604
Area 462073759801801
Diagonal 30399794.729629

Cube

Length = n
Surface area 2772442558810806
Volume 9.9326917953973E+21
Space diagonal 37231992.686471

Equilateral Triangle

Length = n
Perimeter 64487703
Area 2.0008380720527E+14
Altitude 18615996.343235

Triangular Pyramid

Length = n
Surface area 2.0008380720527E+14
Volume 1.1705789539936E+21
Height 10133264.909876