20851948 is an even 8-digits composite number following 20851947
and preceding 20851949 . In scientific notation, it is written as 2.0851948 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 9550464 positive integers (up to 20851948) that are relatively prime to 20851948.
20851948 has 24 divisors, whose sum is 39598272
The reverse of 20851948 is 84915802
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred fifty-one thousand nine hundred forty-eight
Scientific notation
2.0851948 × 10^7
Engineering notation
2.0851948 × 10^6
Prime Factorization
2 × 2 × 13 × 137 × 2927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10425974
Product of the distinct prime numbers
The prime factorization of 20851948 is 2 × 2 × 13 × 137 × 2927.
Since it has a total of 5 prime factors.
1 , 8 , 23 , 23 , 645 , 11 , 5662 , 410 , 65005 , 82935 , 893712 , 672804 , 4644291 , 9277944 , 81270213 , 95123423 , 177550244 , 792488041 , 6871510714 , 6454591266
n×2
41703896
n×3
62555844
n×4
83407792
n×5
104259740
n÷2
10425974
n÷3
6950649.3333333
n÷3
5212987
n÷5
4170389.6
n2
434803735394704
n3
9.0665048806561E+21
n4
1.8905428831319E+29
n5
3.9421501890836E+36
2 √n
4566.3933251528
3 √n
275.2425320452
4 √n
67.575093970729
5 √n
29.095734603082
1 , 2 , 4 , 13 , 26 , 52 , 137 , 274 , 548 , 1781 , 2927 , 3562 , 5854 , 7124 , 11708 , 38051 , 76102 , 152204 , 400999 , 801998 , 1603996 , 5212987 , 10425974 , 20851948
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20851947
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20851948 can be divided by 24 positive divisors.
The sum of these divisors (counting 20851948) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100010110011101100
3
Ternary
1110020101111101
4
Quaternary
1033202303230
5
Quinary
20314230243
6
Senary
2022532444
8
Octal
117426354
10
Decimal
20851948
12
Duodecimal
6b97124
16
Hexadecimal
13e2cec
20
Vigesimal
6a69h8
36
Base36
cexgs
md5
1742f18977408d8af38be66b66b2a518
sha1
f30589ba2ca6bd29910ac7c39d9ca70d8d12fa1a
sha256
541f19723e82e754b8249c2e6a1de7c575c9dd6e545be4f854daa03589c7c5f7
sha512
72b15572b90377b326a4031efc06ea1df495615c400a2e3c383bc47fcfe4f2ac78e292e231c8b7ab40d3b379a36adfbb93b6367bcf0d976636ed43f53b45494d
ripemd-160
bdb3fe975e3a289d4b0a8ef6b53f646db670dfb3
Diameter
41703896
Circumference
131016653.29967
Area
1.3659762208694E+15
Volume
3.797768683574E+22
Surface area
5.4639048834776E+15
Circumference
131016653.29967
Perimeter
83407792
Area
434803735394704
Diagonal
29489107.663499
Surface area
2608822412368224
Volume
9.0665048806561E+21
Space diagonal
36116633.372784
Perimeter
62555844
Area
1.8827554025609E+14
Altitude
18058316.686392
Surface area
1.8827554025609E+14
Volume
1.0684978471288E+21
Height
9829702.5544995