21971749 (number)

21971749 is an odd 8-digits prime number following 21971748 and preceding 21971750. In scientific notation, it is written as 2.1971749 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 21971748 positive integers (up to 21971749) that are relatively prime to 21971749.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-one thousand seven hundred forty-nine

Notation

Scientific notation 2.1971749 × 10^7
Engineering notation 2.1971749 × 10^6

Prime Factorization of 21971749

Prime Factorization 21971749

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21971749
Product of the distinct prime numbers

The prime factorization of 21971749 is 21971749. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 1, 69, 52, 499, 200, 4738, 9363, 72288, 31993, 435516, 677633, 377407, 6341043, 57427659, 82230397, 324668288, 908854032, 6108683454, 8411468619

Basic calculations (n = 21971749)

Multiplication

n×y
n×2 43943498
n×3 65915247
n×4 87886996
n×5 109858745

Division

n÷y
n÷2 10985874.5
n÷3 7323916.3333333
n÷3 5492937.25
n÷5 4394349.8

Exponentiation

ny
n2 482757754119001
n3 1.0607032201306E+22
n4 2.3305504916202E+29
n5 5.1206270433706E+36

Nth Root

y√n
2√n 4687.4032256677
3√n 280.08394166921
4√n 68.464612944701
5√n 29.401732757854

Divisors of 21971749

1, 21971749

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21971750
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10985875
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4687.4033323366
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999908974
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21971749 can be divided by 2 positive divisors. The sum of these divisors (counting 21971749) is 21971750, the average is 10985875.

Base conversion 21971749

Base System Value
2 Binary 1010011110100001100100101
3 Ternary 1112100021120111
4 Quaternary 1103310030211
5 Quinary 21111043444
6 Senary 2102533021
8 Octal 123641445
10 Decimal 21971749
12 Duodecimal 7437171
16 Hexadecimal 14f4325
20 Vigesimal 6h6979
36 Base36 d2xid

Cryptographic Hash Functions

md5 5b67ab6be41191a4a6dd40dfbe97aa81
sha1 36fb6fc6c0551c6290976d1ddbf6737f69538d34
sha256 b1109ed4c318dca3ad97971023c4657bdf536200df782e85a374f8a520d27fd8
sha512 ab5f1ac9842e83c499745ebc4a8ef4bb86e9300b9e7c137f2da0bd6d5178d28a5acaa2d19d224f3cc8207accfc8d525cc06d0dbde23636b7ec2b155fbe74209b
ripemd-160 63a2bd90e44d432e8df01dca212ab6b4d36d92aa

21971749 as geometric shapes

Circle

Radius = n
Diameter 43943498
Circumference 138052570.48984
Area 1.5166282138038E+15

Sphere

Radius = n
Volume 4.4430632586686E+22
Surface area 6.066512855215E+15
Circumference 138052570.48984

Square

Length = n
Perimeter 87886996
Area 482757754119001
Diagonal 31072745.424857

Cube

Length = n
Surface area 2896546524714006
Volume 1.0607032201306E+22
Space diagonal 38056185.599151

Equilateral Triangle

Length = n
Perimeter 65915247
Area 2.0904023947049E+14
Altitude 19028092.799575

Triangular Pyramid

Length = n
Surface area 2.0904023947049E+14
Volume 1.250050732968E+21
Height 10357581.808286