20849897 is an odd 8-digits composite number following 20849896
and preceding 20849898 . In scientific notation, it is written as 2.0849897 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 19713024 positive integers (up to 20849897) that are relatively prime to 20849897.
20849897 has 8 divisors, whose sum is 21991200
The reverse of 20849897 is 79894802
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million eight hundred forty-nine thousand eight hundred ninety-seven
Scientific notation
2.0849897 × 10^7
Engineering notation
2.0849897 × 10^6
Prime Factorization
19 × 769 × 1427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20849897
Product of the distinct prime numbers
The prime factorization of 20849897 is 19 × 769 × 1427.
Since it has a total of 3 prime factors.
1 , 7 , 44 , 14 , 30 , 322 , 3197 , 1321 , 72313 , 20244 , 987861 , 383719 , 2766830 , 1290646 , 22840765 , 58812534 , 810054194 , 365773975 , 8519293090 , 6678919590
n×2
41699794
n×3
62549691
n×4
83399588
n×5
104249485
n÷2
10424948.5
n÷3
6949965.6666667
n÷3
5212474.25
n÷5
4169979.4
n2
434718204910609
n3
9.0638297964111E+21
n4
1.889799176807E+29
n5
3.9402118187111E+36
2 √n
4566.1687441443
3 √n
275.23350745362
4 √n
67.573432235933
5 √n
29.095162208602
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20849896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20849897 can be divided by 8 positive divisors.
The sum of these divisors (counting 20849897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100010010011101001
3
Ternary
1110020021200102
4
Quaternary
1033202103221
5
Quinary
20314144042
6
Senary
2022515145
8
Octal
117422351
10
Decimal
20849897
12
Duodecimal
6b95ab5
16
Hexadecimal
13e24e9
20
Vigesimal
6a64eh
36
Base36
cevvt
md5
625f3cd4cc487c758d67b878187ba517
sha1
979c56bb20ca79908978d36459d9af7d53617b79
sha256
a557aa4972660a9f5204631acf9f0caace72f1a9a95c891ace63ab4786e0137d
sha512
3c71dabb66e29fce45d8efaf1f0066b8b98f849c59d2a14d2a3cf572b9d207150445ba38af111afe7cdcd2d534a2158c16a6a9f56f12cfdd7779ec8ce20ad9c0
ripemd-160
cf45b337fb0c5aa48db2e930bd725923af2180b2
Diameter
41699794
Circumference
131003766.48661
Area
1.3657075189289E+15
Volume
3.7966481469058E+22
Surface area
5.4628300757156E+15
Circumference
131003766.48661
Perimeter
83399588
Area
434718204910609
Diagonal
29486207.111482
Surface area
2608309229463654
Volume
9.0638297964111E+21
Space diagonal
36113080.936578
Perimeter
62549691
Area
1.8823850447008E+14
Altitude
18056540.468289
Surface area
1.8823850447008E+14
Volume
1.0681825854272E+21
Height
9828735.7038274