21850981 (number)

21850981 is an odd 8-digits composite number following 21850980 and preceding 21850982. In scientific notation, it is written as 2.1850981 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21833964 positive integers (up to 21850981) that are relatively prime to 21850981.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred fifty thousand nine hundred eighty-one

Notation

Scientific notation 2.1850981 × 10^7
Engineering notation 2.1850981 × 10^6

Prime Factorization of 21850981

Prime Factorization 1399 × 15619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21850981
Product of the distinct prime numbers

The prime factorization of 21850981 is 1399 × 15619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21850981)

Multiplication

n×y
n×2 43701962
n×3 65552943
n×4 87403924
n×5 109254905

Division

n÷y
n÷2 10925490.5
n÷3 7283660.3333333
n÷3 5462745.25
n÷5 4370196.2

Exponentiation

ny
n2 477465370662361
n3 1.0433086742501E+22
n4 2.2797318018175E+29
n5 4.9814376286609E+36

Nth Root

y√n
2√n 4674.5032891207
3√n 279.56983692931
4√n 68.370339249712
5√n 29.369340060405

Divisors of 21850981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21850980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21850981 can be divided by 4 positive divisors. The sum of these divisors (counting 21850981) is 1, the average is 0.25.

Base conversion 21850981

Base System Value
2 Binary 1010011010110101101100101
3 Ternary 1112010010220121
4 Quaternary 1103112231211
5 Quinary 21043212411
6 Senary 2100201541
8 Octal 123265545
10 Decimal 21850981
12 Duodecimal 73992b1
16 Hexadecimal 14d6b65
20 Vigesimal 6gb791
36 Base36 d0cbp

Cryptographic Hash Functions

md5 ad303d7c250ea9c81b4613abc3810308
sha1 ca0953493944c0b676317a70585df9aaa82c9c1d
sha256 14f2146b111be13b1067568dc0b73ce936ddbe5ec2ba4ea0dc612fa7ec8c4df5
sha512 f97d83cde6d8262d2ea7cef4d9a501c39d732eacae42c02c9d6a1e7fb476117c2113667d6fdc8c267fbfb64a6247978bcde07164d523f14b818cae2e7246c6ef
ripemd-160 26f86619dbd1d3268fa3540cf9c2e721ded83f2c

21850981 as geometric shapes

Circle

Radius = n
Diameter 43701962
Circumference 137293762.76666
Area 1.5000017008164E+15

Sphere

Radius = n
Volume 4.3702011552676E+22
Surface area 6.0000068032656E+15
Circumference 137293762.76666

Square

Length = n
Perimeter 87403924
Area 477465370662361
Diagonal 30901953.681357

Cube

Length = n
Surface area 2864792223974166
Volume 1.0433086742501E+22
Space diagonal 37847009.287222

Equilateral Triangle

Length = n
Perimeter 65552943
Area 2.0674857021048E+14
Altitude 18923504.643611

Triangular Pyramid

Length = n
Surface area 2.0674857021048E+14
Volume 1.229551064055E+21
Height 10300651.227119