20107891 is an odd 8-digits composite number following 20107890
and preceding 20107892 . In scientific notation, it is written as 2.0107891 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20071984 positive integers (up to 20107891) that are relatively prime to 20107891.
20107891 has 4 divisors, whose sum is 20143800
The reverse of 20107891 is 19870102
Previous prime number is 569
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seven thousand eight hundred ninety-one
Scientific notation
2.0107891 × 10^7
Engineering notation
2.0107891 × 10^6
Prime Factorization
569 × 35339
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20107891
Product of the distinct prime numbers
The prime factorization of 20107891 is 569 × 35339.
Since it has a total of 2 prime factors.
1 , 7 , 91 , 88 , 753 , 996 , 9620 , 1349 , 49775 , 64510 , 924940 , 407863 , 1574571 , 8962775 , 91999437 , 69665594 , 68764682 , 241172214 , 1605192973 , 2593649413
n×2
40215782
n×3
60323673
n×4
80431564
n×5
100539455
n÷2
10053945.5
n÷3
6702630.3333333
n÷3
5026972.75
n÷5
4021578.2
n2
404327280467881
n3
8.1301688839746E+21
n4
1.6348054973055E+29
n5
3.287249074602E+36
2 √n
4484.1823111912
3 √n
271.92898863531
4 √n
66.96403744691
5 √n
28.885062027055
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
-20107890
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 20107891 can be divided by 4 positive divisors.
The sum of these divisors (counting 20107891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101101001001110011
3
Ternary
1101211120211201
4
Quaternary
1030231021303
5
Quinary
20121423031
6
Senary
1554552031
8
Octal
114551163
10
Decimal
20107891
12
Duodecimal
6898617
16
Hexadecimal
132d273
20
Vigesimal
65d9eb
36
Base36
byzcj
md5
8c2bd5411c668ddd84144fc60d80c073
sha1
10f37710dc298d619a60ed8b32d8cbba4f80e83e
sha256
bfa2ebe128e3a6f914ed505bd48f1bf50f1dd450d2c2652dc5d8c4062aece8b9
sha512
b1829e397aa67de3d363c3f594d7bae26d11b84140b9a3d189ba6f9a96e41746977d57ab29c549d968b9dd8e1e6fae0303837255cc803b484e80f57219ce2358
ripemd-160
0aa05186c56500e81fa96f198ee64e57a0807a9c
Diameter
40215782
Circumference
126341605.28957
Area
1.2702316139638E+15
Volume
3.4055571784452E+22
Surface area
5.0809264558553E+15
Circumference
126341605.28957
Perimeter
80431564
Area
404327280467881
Diagonal
28436852.16292
Surface area
2425963682807286
Volume
8.1301688839746E+21
Space diagonal
34827888.845057
Perimeter
60323673
Area
1.7507884816413E+14
Altitude
17413944.422528
Surface area
1.7507884816413E+14
Volume
9.5814959167505E+20
Height
9478950.7209733