21989969 (number)

21989969 is an odd 8-digits prime number following 21989968 and preceding 21989970. In scientific notation, it is written as 2.1989969 × 10^7. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 21989968 positive integers (up to 21989969) that are relatively prime to 21989969.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred eighty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.1989969 × 10^7
Engineering notation 2.1989969 × 10^6

Prime Factorization of 21989969

Prime Factorization 21989969

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21989969
Product of the distinct prime numbers

The prime factorization of 21989969 is 21989969. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 28, 44, 473, 649, 7379, 204, 12648, 2850, 248178, 734611, 5673376, 8413190, 36509617, 33218079, 984354157, 634482986, 8078867917, 7283439642

Basic calculations (n = 21989969)

Multiplication

n×y
n×2 43979938
n×3 65969907
n×4 87959876
n×5 109949845

Division

n÷y
n÷2 10994984.5
n÷3 7329989.6666667
n÷3 5497492.25
n÷5 4397993.8

Exponentiation

ny
n2 483558736620961
n3 1.0633441627974E+22
n4 2.3382905176246E+29
n5 5.1418935995559E+36

Nth Root

y√n
2√n 4689.3463297138
3√n 280.16133983905
4√n 68.478802046427
5√n 29.406607399088

Divisors of 21989969

1, 21989969

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21989970
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10994985
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4689.3464363384
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999090494
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21989969 can be divided by 2 positive divisors. The sum of these divisors (counting 21989969) is 21989970, the average is 10994985.

Base conversion 21989969

Base System Value
2 Binary 1010011111000101001010001
3 Ternary 1112101012120022
4 Quaternary 1103320221101
5 Quinary 21112134334
6 Senary 2103153225
8 Octal 123705121
10 Decimal 21989969
12 Duodecimal 7445815
16 Hexadecimal 14f8a51
20 Vigesimal 6h8ei9
36 Base36 d3bkh

Cryptographic Hash Functions

md5 919a956f26524d30a64256a58db6e551
sha1 854433792b2e2221c6719c2669dfd15c1fcb990c
sha256 e18a59b6f232cdfc83794ed09366a095ee0ba6fdcbcef83c07820f0e9ce1db2f
sha512 b841d6543bd808269aecb889a09e55f615703356100fbc2495a89b7650fcb9780baebf98379160e12d2de2f4fb78cc9e3d0bfb76eaab31e607b46d440c6c41ef
ripemd-160 37a047266723c5bc4fffa874ee5a48f20b0ea6c0

21989969 as geometric shapes

Circle

Radius = n
Diameter 43979938
Circumference 138167050.12613
Area 1.5191445745476E+15

Sphere

Radius = n
Volume 4.4541256134426E+22
Surface area 6.0765782981903E+15
Circumference 138167050.12613

Square

Length = n
Perimeter 87959876
Area 483558736620961
Diagonal 31098512.395964

Cube

Length = n
Surface area 2901352419725766
Volume 1.0633441627974E+22
Space diagonal 38087743.564865

Equilateral Triangle

Length = n
Perimeter 65969907
Area 2.0938707506783E+14
Altitude 19043871.782432

Triangular Pyramid

Length = n
Surface area 2.0938707506783E+14
Volume 1.2531631137486E+21
Height 10366170.798655