20857798 is an even 8-digits composite number following 20857797
and preceding 20857799 . In scientific notation, it is written as 2.0857798 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 9462816 positive integers (up to 20857798) that are relatively prime to 20857798.
20857798 has 16 divisors, whose sum is 34266960
The reverse of 20857798 is 89775802
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million eight hundred fifty-seven thousand seven hundred ninety-eight
Scientific notation
2.0857798 × 10^7
Engineering notation
2.0857798 × 10^6
Prime Factorization
2 × 13 × 59 × 13597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20857798
Product of the distinct prime numbers
The prime factorization of 20857798 is 2 × 13 × 59 × 13597.
Since it has a total of 4 prime factors.
5 , 5 , 10 , 78 , 892 , 930 , 9915 , 3091 , 28248 , 78156 , 474290 , 83957 , 4566409 , 5326439 , 58422417 , 20463481 , 467925319 , 947515267 , 5762635414 , 9935341348
n×2
41715596
n×3
62573394
n×4
83431192
n×5
104288990
n÷2
10428899
n÷3
6952599.3333333
n÷3
5214449.5
n÷5
4171559.6
n2
435047737408804
n3
9.0741378272299E+21
n4
1.8926653382452E+29
n5
3.947683130672E+36
2 √n
4567.0338295222
3 √n
275.26826934096
4 √n
67.579833008984
5 √n
29.097366977666
1 , 2 , 13 , 26 , 59 , 118 , 767 , 1534 , 13597 , 27194 , 176761 , 353522 , 802223 , 1604446 , 10428899 , 20857798
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20857797
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20857798 can be divided by 16 positive divisors.
The sum of these divisors (counting 20857798) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100100001111000110
3
Ternary
1110020200112001
4
Quaternary
1033210033012
5
Quinary
20314422143
6
Senary
2023015514
8
Octal
117441706
10
Decimal
20857798
12
Duodecimal
6b9a59a
16
Hexadecimal
13e43c6
20
Vigesimal
6a749i
36
Base36
cf1za
md5
9978743ae77ce3060da96ddb30c98dc4
sha1
623a0624ae37a44983ef73e51bcf25734e723c1e
sha256
6f7aa7428550627d022d282a85c8600033bb3a7b17259b7c0faa110e09e5c4df
sha512
a1213b152736c7789dcd8ab9abef96669fee0d99e7bcffb273211e34751f9602c8137ad81c67eb3f1ff8a3625eb52c0b3df3c03333ca0aaaa124d2e873025864
ripemd-160
d6536d821a6c11641f33d4037f9e22fae5e36235
Diameter
41715596
Circumference
131053409.93372
Area
1.3667427758044E+15
Volume
3.8009659647582E+22
Surface area
5.4669711032174E+15
Circumference
131053409.93372
Perimeter
83431192
Area
435047737408804
Diagonal
29497380.812838
Surface area
2610286424452824
Volume
9.0741378272299E+21
Space diagonal
36126765.870009
Perimeter
62573394
Area
1.8838119622748E+14
Altitude
18063382.935004
Surface area
1.8838119622748E+14
Volume
1.0693973985093E+21
Height
9832460.2709461