28298989 is an odd 8-digits prime number following 28298988
and preceding 28298990 . In scientific notation, it is written as 2.8298989 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 28298988 positive integers (up to 28298989) that are relatively prime to 28298989.
28298989 has 2 divisors, whose sum is 28298990
The reverse of 28298989 is 98989282
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 55 Digital Root 1
Name
twenty-eight million two hundred ninety-eight thousand nine hundred eighty-nine
Scientific notation
2.8298989 × 10^7
Engineering notation
2.8298989 × 10^6
Prime Factorization
28298989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28298989 Product of the distinct prime numbers
The prime factorization of 28298989 is 28298989.
Since it has a total of 1 prime factors.
9 , 6 , 52 , 87 , 721 , 882 , 1312 , 6733 , 76793 , 3373 , 389238 , 978126 , 3475217 , 1103294 , 80364893 , 81754306 , 176856655 , 751557656 , 218393252 , 3996442763
n×2
56597978
n×3
84896967
n×4
113195956
n×5
141494945
n÷2
14149494.5
n÷3
9432996.3333333
n÷3
7074747.25
n÷5
5659797.8
n2
800832778422121
n3
2.2662757987407E+22
n4
6.4133313899529E+29
n5
1.8149079445763E+37
2 √n5319.6794076335
3 √n304.73591401964
4 √n72.936132387408
5 √n30.928167167924
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28298990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14149495 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5319.6795016241 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999293261 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28298989 can be divided by 2 positive divisors.
The sum of these divisors (counting 28298989) is 28298990, the average is 14149495.
Base
System
Value
2
Binary
1101011111100111011101101
3
Ternary
1222020201220201
4
Quaternary
1223330323231
5
Quinary
24221031424
6
Senary
2450313501
8
Octal
153747355
10
Decimal
28298989
12
Duodecimal
9588891
16
Hexadecimal
1afceed
20
Vigesimal
8gh799
36
Base36
gujn1
md5
7c5f20a7cc05228ede7f9b804083abad
sha1
c89965e7465d7f54725c0227e719451e1c288cc4
sha256
431ce01659e9fee0b67580e533b2c0c58f3b98f2e5e8bf74f075282a6ef669c1
sha512
98b0d40e4ff5bfe59a119f3ab2b93cf06fdd3c81347c1f19959cf33b7fdb82a86240378a194446bd1e9f98ba6df5f142d1d02a9dac8776b8eeab07be4c1a5193
ripemd-160
b0ec36f5eeb41e4254abcdb3c5eec9bc66421441
Diameter
56597978
Circumference
177807791.89284
Area
2.5158903734448E+15
Volume
9.4929538671095E+22
Surface area
1.0063561493779E+16
Circumference
177807791.89284
Perimeter
113195956
Area
800832778422121
Diagonal
40020814.045247
Surface area
4804996670532726
Volume
2.2662757987407E+22
Space diagonal
49015286.750833
Perimeter
84896967
Area
3.4677076514842E+14
Altitude
24507643.375416
Surface area
3.4677076514842E+14
Volume
2.6708316422142E+21
Height
13340271.348416