28118857 is an odd 8-digits composite number following 28118856
and preceding 28118858 . In scientific notation, it is written as 2.8118857 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 24628032 positive integers (up to 28118857) that are relatively prime to 28118857.
28118857 has 16 divisors, whose sum is 31852800
The reverse of 28118857 is 75881182
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million one hundred eighteen thousand eight hundred fifty-seven
Scientific notation
2.8118857 × 10^7
Engineering notation
2.8118857 × 10^6
Prime Factorization
23 × 13 × 157 × 599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28118857
Product of the distinct prime numbers
The prime factorization of 28118857 is 23 × 13 × 157 × 599.
Since it has a total of 4 prime factors.
8 , 6 , 70 , 52 , 521 , 825 , 7822 , 6276 , 81649 , 72781 , 496559 , 518302 , 393897 , 5416063 , 25939561 , 39360755 , 529761067 , 907911323 , 6480366478 , 7664857689
n×2
56237714
n×3
84356571
n×4
112475428
n×5
140594285
n÷2
14059428.5
n÷3
9372952.3333333
n÷3
7029714.25
n÷5
5623771.4
n2
790670118986449
n3
2.2232740009953E+22
n4
6.2515923705805E+29
n5
1.7578763189064E+37
2 √n
5302.7216596763
3 √n
304.08795714908
4 √n
72.819788929084
5 √n
30.888693023574
1 , 13 , 23 , 157 , 299 , 599 , 2041 , 3611 , 7787 , 13777 , 46943 , 94043 , 179101 , 1222559 , 2162989 , 28118857
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
-28118856
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 28118857 can be divided by 16 positive divisors.
The sum of these divisors (counting 28118857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010000111101001001
3
Ternary
1221220120211011
4
Quaternary
1223100331021
5
Quinary
24144300412
6
Senary
2442403521
8
Octal
153207511
10
Decimal
28118857
12
Duodecimal
95005a1
16
Hexadecimal
1ad0f49
20
Vigesimal
8feh2h
36
Base36
gqond
md5
d64bdafbf7f9b4c20462c342145e3bd1
sha1
6f8e594572618dca4d3fe2725e1745fabcb58cc3
sha256
82abc65fd216ec1f67d7237cc4fb4784cd21d29221e75141b3afc9021e6cde4a
sha512
972aecfedbca5af4a3967360c02ba707c90d14c80ab4c8aa71a2d21a1a89b5e033f3bc7fb030f2d68abc95577655d50e8b044d9d3ab5232fceb11ec6fb31aafc
ripemd-160
f14aad911c8f5ece766854566aeeff9bdf193671
Diameter
56237714
Circumference
176675989.15708
Area
2.4839634372208E+15
Volume
9.3128283579253E+22
Surface area
9.9358537488832E+15
Circumference
176675989.15708
Perimeter
112475428
Area
790670118986449
Diagonal
39766068.92783
Surface area
4744020713918694
Volume
2.2232740009953E+22
Space diagonal
48703288.974764
Perimeter
84356571
Area
3.4237020452776E+14
Altitude
24351644.487382
Surface area
3.4237020452776E+14
Volume
2.6201535375659E+21
Height
13255356.309277