21376979 is an odd 8-digits composite number following 21376978
and preceding 21376980 . In scientific notation, it is written as 2.1376979 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 19732440 positive integers (up to 21376979) that are relatively prime to 21376979.
21376979 has 4 divisors, whose sum is 21503640
The reverse of 21376979 is 97967312
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million three hundred seventy-six thousand nine hundred seventy-nine
Scientific notation
2.1376979 × 10^7
Engineering notation
2.1376979 × 10^6
Prime Factorization
169 × 126491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21376979
Product of the distinct prime numbers
The prime factorization of 21376979 is 169 × 126491.
Since it has a total of 2 prime factors.
8 , 2 , 42 , 47 , 286 , 279 , 8093 , 5308 , 19513 , 22013 , 961475 , 50589 , 9666581 , 7763359 , 49742649 , 98444032 , 445977526 , 902495166 , 5301167645 , 8851911128
n×2
42753958
n×3
64130937
n×4
85507916
n×5
106884895
n÷2
10688489.5
n÷3
7125659.6666667
n÷3
5344244.75
n÷5
4275395.8
n2
456975231166441
n3
9.7687499201652E+21
n4
2.0882636189962E+29
n5
4.4640767529746E+36
2 √n
4623.5245214014
3 √n
277.53351974499
4 √n
67.996503743953
5 √n
29.240801063515
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
-21376978
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 21376979 can be divided by 4 positive divisors.
The sum of these divisors (counting 21376979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100010111111010011
3
Ternary
1111020001200222
4
Quaternary
1101202333103
5
Quinary
20433030404
6
Senary
2042103255
8
Octal
121427723
10
Decimal
21376979
12
Duodecimal
71aab2b
16
Hexadecimal
1462fd3
20
Vigesimal
6dc28j
36
Base36
cq6kz
md5
66d20a671a5284997e7d0a80e085d2c5
sha1
5ecd11acb1890f6524bed9889b123c5d03a8fdd1
sha256
c82bafd8d3ab61bcd7e50a4b427d8ad634f0c7cdfa22133fd4dc2e9a69383158
sha512
f3bcc777e45c93885ffbb3ca0b8f083bb6176b357aebe05967e9ffa40be044a0e35f063f5261bbdfdb4c2be81dae6a56bac1dc1b480bea59476e9dbaa303a399
ripemd-160
a3f2a0cb3016368e41bb51a7bbe1f93d2590e1a8
Diameter
42753958
Circumference
134315520.36469
Area
1.435630029105E+15
Volume
4.0919243978596E+22
Surface area
5.74252011642E+15
Circumference
134315520.36469
Perimeter
85507916
Area
456975231166441
Diagonal
30231613.624365
Surface area
2741851386998646
Volume
9.7687499201652E+21
Space diagonal
37026013.740333
Perimeter
64130937
Area
1.978760795452E+14
Altitude
18513006.870166
Surface area
1.978760795452E+14
Volume
1.1512582187107E+21
Height
10077204.541455