28012911 is an odd 8-digits composite number following 28012910
and preceding 28012912 . In scientific notation, it is written as 2.8012911 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 18675272 positive integers (up to 28012911) that are relatively prime to 28012911.
28012911 has 4 divisors, whose sum is 37350552
The reverse of 28012911 is 11921082
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million twelve thousand nine hundred eleven
Scientific notation
2.8012911 × 10^7
Engineering notation
2.8012911 × 10^6
Prime Factorization
3 × 9337637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28012911
Product of the distinct prime numbers
The prime factorization of 28012911 is 3 × 9337637.
Since it has a total of 2 prime factors.
8 , 10 , 72 , 59 , 90 , 524 , 6674 , 1593 , 77975 , 75718 , 714056 , 530985 , 7783255 , 5867223 , 85166094 , 28381626 , 169814444 , 835845619 , 8895621902 , 3027968446
n×2
56025822
n×3
84038733
n×4
112051644
n×5
140064555
n÷2
14006455.5
n÷3
9337637
n÷3
7003227.75
n÷5
5602582.2
n2
784723182693921
n3
2.1982380676442E+22
n4
6.1579047345728E+29
n5
1.7250083727607E+37
2 √n
5292.7224563546
3 √n
303.70556311113
4 √n
72.751099348083
5 √n
30.865381430643
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
-28012910
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 28012911 can be divided by 4 positive divisors.
The sum of these divisors (counting 28012911) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110111000101101111
3
Ternary
1221201012111020
4
Quaternary
1222313011233
5
Quinary
24132403121
6
Senary
2440225223
8
Octal
152670557
10
Decimal
28012911
12
Duodecimal
946b213
16
Hexadecimal
1ab716f
20
Vigesimal
8f1c5b
36
Base36
goewf
md5
c2860569288c08b1e95e2e911e0c8870
sha1
f4c7e1fcca02f412c6676fc59eaf1fb44c96e5c7
sha256
68dc5484e385805613c363edd0175673d2aa1187c446b0b685c28d08cf19889e
sha512
b987f356c4f2884061af059d7f3532951ad2fa5b70d61509997c912d9005a11471b72010899c59d187071ecb4a1184e00c7fc96be25e6916abfab417f5c8dceb
ripemd-160
472f03b26d5facc1a0da01d1ecf0440b9337a94a
Diameter
56025822
Circumference
176010310.80653
Area
2.4652805858528E+15
Volume
9.2079580855364E+22
Surface area
9.8611223434113E+15
Circumference
176010310.80653
Perimeter
112051644
Area
784723182693921
Diagonal
39616238.65775
Surface area
4708339096163526
Volume
2.1982380676442E+22
Space diagonal
48519785.119905
Perimeter
84038733
Area
3.3979510557576E+14
Altitude
24259892.559953
Surface area
3.3979510557576E+14
Volume
2.590648407156E+21
Height
13205412.885917