20797289 is an odd 8-digits composite number following 20797288
and preceding 20797290 . In scientific notation, it is written as 2.0797289 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 20767956 positive integers (up to 20797289) that are relatively prime to 20797289.
20797289 has 4 divisors, whose sum is 20826624
The reverse of 20797289 is 98279702
Previous prime number is 727
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred ninety-seven thousand two hundred eighty-nine
Scientific notation
2.0797289 × 10^7
Engineering notation
2.0797289 × 10^6
Prime Factorization
727 × 28607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20797289
Product of the distinct prime numbers
The prime factorization of 20797289 is 727 × 28607.
Since it has a total of 2 prime factors.
3 , 6 , 25 , 94 , 755 , 725 , 6491 , 9844 , 86142 , 96464 , 612913 , 5863 , 3924744 , 1933816 , 46820279 , 55092847 , 7777418 , 851407686 , 7161562891 , 6823316260
n×2
41594578
n×3
62391867
n×4
83189156
n×5
103986445
n÷2
10398644.5
n÷3
6932429.6666667
n÷3
5199322.25
n÷5
4159457.8
n2
432527229749521
n3
8.9953937974702E+21
n4
1.8707980447479E+29
n5
3.8907527597258E+36
2 √n
4560.4044776752
3 √n
275.00182478128
4 √n
67.530766896839
5 √n
29.080464913307
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
-20797288
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 20797289 can be divided by 4 positive divisors.
The sum of these divisors (counting 20797289) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101011101101001
3
Ternary
1110010121111222
4
Quaternary
1033111131221
5
Quinary
20311003124
6
Senary
2021431425
8
Octal
117253551
10
Decimal
20797289
12
Duodecimal
6b6b575
16
Hexadecimal
13d5769
20
Vigesimal
69jd49
36
Base36
cdrah
md5
2e39f198def3a9cc6e0a707d46a06854
sha1
74ed98ad34e6e88a15adc76fc5fa7e46b0a51b68
sha256
e45154e6db8323bc6fd0da88e9956376366aab16187e75c9b7c5c0580f9ad3be
sha512
1924d6504d2db71379e14c5adba2116014c04b4c2e08509eedf23a518410ca21561c176c787a3696023578d0d73984db89b201c16b44a075893effd8f284d58f
ripemd-160
8f1767bee2aee21dd53e8f15ca54ce9ea5ebdf61
Diameter
41594578
Circumference
130673220.67397
Area
1.3588243674586E+15
Volume
3.7679817427039E+22
Surface area
5.4352974698346E+15
Circumference
130673220.67397
Perimeter
83189156
Area
432527229749521
Diagonal
29411808.164393
Surface area
2595163378497126
Volume
8.9953937974702E+21
Space diagonal
36021961.207693
Perimeter
62391867
Area
1.872897843958E+14
Altitude
18010980.603847
Surface area
1.872897843958E+14
Volume
1.0601173256058E+21
Height
9803936.0547976