21998979 (number)

21998979 is an odd 8-digits composite number following 21998978 and preceding 21998980. In scientific notation, it is written as 2.1998979 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 13296960 positive integers (up to 21998979) that are relatively prime to 21998979.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand nine hundred seventy-nine

Notation

Scientific notation 2.1998979 × 10^7
Engineering notation 2.1998979 × 10^6

Prime Factorization of 21998979

Prime Factorization 57 × 333 × 61 × 19

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21998979
Product of the distinct prime numbers

The prime factorization of 21998979 is 57 × 333 × 61 × 19. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 96, 57, 655, 980, 521, 3814, 20458, 77285, 317217, 786872, 7110019, 4849822, 73644860, 86051299, 8199593, 734458386, 6830607701, 9441103577

Basic calculations (n = 21998979)

Multiplication

n×y
n×2 43997958
n×3 65996937
n×4 87995916
n×5 109994895

Division

n÷y
n÷2 10999489.5
n÷3 7332993
n÷3 5499744.75
n÷5 4399795.8

Exponentiation

ny
n2 483955077042441
n3 1.06465175768E+22
n4 2.3421251659516E+29
n5 5.152436234114E+36

Nth Root

y√n
2√n 4690.3069195949
3√n 280.19959832855
4√n 68.485815462729
5√n 29.409016771465

Divisors of 21998979

1, 19, 57, 61, 333, 1083, 1159, 3477, 6327, 18981, 20313, 66063, 360639, 385947, 1157841, 21998979

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 -21998978
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 21998979 can be divided by 16 positive divisors. The sum of these divisors (counting 21998979) is 1, the average is 0.0625.

Base conversion 21998979

Base System Value
2 Binary 1010011111010110110000011
3 Ternary 1112101122221000
4 Quaternary 1103322312003
5 Quinary 21112431404
6 Senary 2103303043
8 Octal 123726603
10 Decimal 21998979
12 Duodecimal 744aa83
16 Hexadecimal 14fad83
20 Vigesimal 6h9h8j
36 Base36 d3iir

Cryptographic Hash Functions

md5 33f7ea0fab814d4ed6f3595fe9cf0ee0
sha1 d22fbf0256b4f2e7bb303043f16f6eb0b90ac1be
sha256 6e555c0d69b4e53599cd7da92957a077e427ee952f7f47879851fa55f0e7b86e
sha512 77afaca8cec0fbce17dc8e84e8115b373f4029f14ae60c9c72667b435260fc50dffe3cfd451eca02a137e05e7701ae9baba1d72bdbb4a798010c8a7cbcb45cce
ripemd-160 906eefa2d0ea6577a7f696fda6dda46935b124da

21998979 as geometric shapes

Circle

Radius = n
Diameter 43997958
Circumference 138223661.62575
Area 1.520389714704E+15

Sphere

Radius = n
Volume 4.4596028540786E+22
Surface area 6.0815588588161E+15
Circumference 138223661.62575

Square

Length = n
Perimeter 87995916
Area 483955077042441
Diagonal 31111254.460161

Cube

Length = n
Surface area 2903730462254646
Volume 1.06465175768E+22
Space diagonal 38103349.342641

Equilateral Triangle

Length = n
Perimeter 65996937
Area 2.095586955046E+14
Altitude 19051674.67132

Triangular Pyramid

Length = n
Surface area 2.095586955046E+14
Volume 1.2547041290962E+21
Height 10370418.153387