20981510 (number)

20981510 is an even 8-digits composite number following 20981509 and preceding 20981511. In scientific notation, it is written as 2.0981510 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 7227360 positive integers (up to 20981510) that are relatively prime to 20981510.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-one thousand five hundred ten

Notation

Scientific notation 2.0981510 × 10^7
Engineering notation 2.0981510 × 10^6

Prime Factorization of 20981510

Prime Factorization 2 × 19 × 55 × 10039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20981510
Product of the distinct prime numbers

The prime factorization of 20981510 is 2 × 19 × 55 × 10039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 23, 49, 909, 226, 274, 2566, 18849, 19453, 605198, 883670, 1912098, 8371412, 51425572, 71962653, 485809136, 188274039, 4829662112, 4592840618

Basic calculations (n = 20981510)

Multiplication

n×y
n×2 41963020
n×3 62944530
n×4 83926040
n×5 104907550

Division

n÷y
n÷2 10490755
n÷3 6993836.6666667
n÷3 5245377.5
n÷5 4196302

Exponentiation

ny
n2 440223761880100
n3 9.2365592621249E+21
n4 1.9379696052387E+29
n5 4.0661528652011E+36

Nth Root

y√n
2√n 4580.5578262915
3√n 275.81142162682
4√n 67.679818456402
5√n 29.131801902328

Divisors of 20981510

1, 2, 19, 38, 55, 110, 1045, 2090, 10039, 20078, 190741, 381482, 552145, 1104290, 10490755, 20981510

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 -20981509
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 20981510 can be divided by 16 positive divisors. The sum of these divisors (counting 20981510) is 1, the average is 0.0625.

Base conversion 20981510

Base System Value
2 Binary 1010000000010011100000110
3 Ternary 1110110222012222
4 Quaternary 1100002130012
5 Quinary 20332402020
6 Senary 2025412342
8 Octal 120023406
10 Decimal 20981510
12 Duodecimal 703a0b2
16 Hexadecimal 1402706
20 Vigesimal 6b2dfa
36 Base36 chpfq

Cryptographic Hash Functions

md5 e19c02b92a9e79a8a6d2ea18d64456b8
sha1 0df58b42fcb3ec73ed518b5a819d75680c7c1eaa
sha256 8a5096803684e203a0487af781c46e445abe6834fd035f174e321e6e66ac4e98
sha512 984eb2e7f9d06ee46ab537da98c21b9868af013d4890388d91a5bdcb2c7fe4ddd052d605ae385cdbde6623f15ff6492e125ebe590b00974e5e8aac5ae612c653
ripemd-160 3a4824917662879bd0ee3c15d4c03990ae1317b4

20981510 as geometric shapes

Circle

Radius = n
Diameter 41963020
Circumference 131830715.35444
Area 1.3830037362582E+15

Sphere

Radius = n
Volume 3.8690008963118E+22
Surface area 5.5320149450327E+15
Circumference 131830715.35444

Square

Length = n
Perimeter 83926040
Area 440223761880100
Diagonal 29672336.001067

Cube

Length = n
Surface area 2641342571280600
Volume 9.2365592621249E+21
Space diagonal 36341041.339514

Equilateral Triangle

Length = n
Perimeter 62944530
Area 1.9062248056886E+14
Altitude 18170520.669757

Triangular Pyramid

Length = n
Surface area 1.9062248056886E+14
Volume 1.08853894818E+21
Height 9890778.6670222