28291831 is an odd 8-digits prime number following 28291830
and preceding 28291832 . In scientific notation, it is written as 2.8291831 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 28291830 positive integers (up to 28291831) that are relatively prime to 28291831.
28291831 has 2 divisors, whose sum is 28291832
The reverse of 28291831 is 13819282
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
twenty-eight million two hundred ninety-one thousand eight hundred thirty-one
Scientific notation
2.8291831 × 10^7
Engineering notation
2.8291831 × 10^6
Prime Factorization
28291831
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28291831 Product of the distinct prime numbers
The prime factorization of 28291831 is 28291831.
Since it has a total of 1 prime factors.
4 , 7 , 38 , 91 , 855 , 155 , 9692 , 2780 , 61358 , 8026 , 740198 , 839436 , 6830716 , 6202762 , 99631231 , 81283757 , 377189910 , 252945304 , 6142277684 , 4409734791
n×2
56583662
n×3
84875493
n×4
113167324
n×5
141459155
n÷2
14145915.5
n÷3
9430610.3333333
n÷3
7072957.75
n÷5
5658366.2
n2
800427701332561
n3
2.2645565253819E+22
n4
6.4068450506053E+29
n5
1.8126137741491E+37
2 √n5319.0065801802
3 √n304.71021835949
4 √n72.931519798919
5 √n30.926602403735
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28291832 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14145916 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5319.0066741827 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999293082 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291831 can be divided by 2 positive divisors.
The sum of these divisors (counting 28291831) is 28291832, the average is 14145916.
Base
System
Value
2
Binary
1101011111011001011110111
3
Ternary
1222020101002121
4
Quaternary
1223323023313
5
Quinary
24220314311
6
Senary
2450220411
8
Octal
153731367
10
Decimal
28291831
12
Duodecimal
9584707
16
Hexadecimal
1afb2f7
20
Vigesimal
8gg9bb
36
Base36
gue47
md5
7fe849c6a7869e06cdb18c5c75da2412
sha1
f925c2e60a0951d3d7fc54550c534c371f37c2ef
sha256
4ba62f3c419fe655bd5057731be64b9c03e724071956b330a103f3201bfa4c04
sha512
193f29807492b32d7d4811c435e11a9b08f59e9f7e327e48d1f125beaa4eda8a200009ecd13cb43673d89afd9556648988f0c37dbb05d7f19c62be342ae357f7
ripemd-160
cd0c2fc8332d13eb7ca6bc00535a76e50df889ff
Diameter
56583662
Circumference
177762816.85241
Area
2.5146177862361E+15
Volume
9.4857521917049E+22
Surface area
1.0058471144945E+16
Circumference
177762816.85241
Perimeter
113167324
Area
800427701332561
Diagonal
40010691.104568
Surface area
4802566207995366
Volume
2.2645565253819E+22
Space diagonal
49002888.731152
Perimeter
84875493
Area
3.4659536162339E+14
Altitude
24501444.365576
Surface area
3.4659536162339E+14
Volume
2.6688054591297E+21
Height
13336897.034856