20991502 is an even 8-digits composite number following 20991501
and preceding 20991503 . In scientific notation, it is written as 2.0991502 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 8415792 positive integers (up to 20991502) that are relatively prime to 20991502.
20991502 has 32 divisors, whose sum is 37900800
The reverse of 20991502 is 20519902
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred ninety-one thousand five hundred two
Scientific notation
2.0991502 × 10^7
Engineering notation
2.0991502 × 10^6
Prime Factorization
2 × 7 × 469 × 23 × 139
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20991502
Product of the distinct prime numbers
The prime factorization of 20991502 is 2 × 7 × 469 × 23 × 139.
Since it has a total of 5 prime factors.
8 , 10 , 32 , 9 , 565 , 635 , 7092 , 7791 , 14307 , 24216 , 652053 , 517430 , 8747608 , 6020729 , 16585585 , 10279479 , 174993923 , 518314340 , 898121104 , 9842962225
n×2
41983004
n×3
62974506
n×4
83966008
n×5
104957510
n÷2
10495751
n÷3
6997167.3333333
n÷3
5247875.5
n÷5
4198300.4
n2
440643156216004
n3
9.2497616949946E+21
n4
1.9416639112E+29
n5
4.0758441875283E+36
2 √n
4581.6483933187
3 √n
275.85519779545
4 √n
67.68787478802
5 √n
29.134576054724
1 , 2 , 7 , 14 , 23 , 46 , 139 , 161 , 278 , 322 , 469 , 938 , 973 , 1946 , 3197 , 3283 , 6394 , 6566 , 10787 , 21574 , 22379 , 44758 , 65191 , 75509 , 130382 , 151018 , 456337 , 912674 , 1499393 , 2998786 , 10495751 , 20991502
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20991501
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991502 can be divided by 32 positive divisors.
The sum of these divisors (counting 20991502) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000100111000001110
3
Ternary
1110111110221001
4
Quaternary
1100010320032
5
Quinary
20333212002
6
Senary
2025530514
8
Octal
120047016
10
Decimal
20991502
12
Duodecimal
7043a3a
16
Hexadecimal
1404e0e
20
Vigesimal
6b3if2
36
Base36
chx5a
md5
ab759e56e48511a440017e7a5172a762
sha1
6177c6a570ca8cacedcda478c8ed28b07afe4ca3
sha256
8984b0e94d028fa8f09efc1ee96e2d1eabb33ce949464c8ec05f63518c1c52ec
sha512
a95368209749e5faade47e423f2fce1587269e0a49be61c3ba748489d76672c49ffe367fba97440eb1ded3aff5993ce8dec8e5aa1e7bf5ef89eff9ff4ca71390
ripemd-160
e19574b40277578fb93142d03a4338882ae38105
Diameter
41983004
Circumference
131893496.94203
Area
1.3843213024228E+15
Volume
3.8745311184602E+22
Surface area
5.5372852096913E+15
Circumference
131893496.94203
Perimeter
83966008
Area
440643156216004
Diagonal
29686466.822982
Surface area
2643858937296024
Volume
9.2497616949946E+21
Space diagonal
36358347.991184
Perimeter
62974506
Area
1.9080408364341E+14
Altitude
18179173.995592
Surface area
1.9080408364341E+14
Volume
1.090094869815E+21
Height
9895488.940994