28681937 is an odd 8-digits prime number following 28681936
and preceding 28681938 . In scientific notation, it is written as 2.8681937 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 28681936 positive integers (up to 28681937) that are relatively prime to 28681937.
28681937 has 2 divisors, whose sum is 28681938
The reverse of 28681937 is 73918682
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
twenty-eight million six hundred eighty-one thousand nine hundred thirty-seven
Scientific notation
2.8681937 × 10^7
Engineering notation
2.8681937 × 10^6
Prime Factorization
28681937
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28681937 Product of the distinct prime numbers
The prime factorization of 28681937 is 28681937.
Since it has a total of 1 prime factors.
3 , 10 , 71 , 94 , 595 , 305 , 3675 , 2696 , 6584 , 30556 , 344617 , 234488 , 6462627 , 6481828 , 53743266 , 42955548 , 911786023 , 739015462 , 5293170422 , 7404124347
n×2
57363874
n×3
86045811
n×4
114727748
n×5
143409685
n÷2
14340968.5
n÷3
9560645.6666667
n÷3
7170484.25
n÷5
5736387.4
n2
822653510071969
n3
2.3595296148713E+22
n4
6.7675879763373E+29
n5
1.9410753197926E+37
2 √n5355.5519790214
3 √n306.10434378524
4 √n73.181636897663
5 √n31.011423045626
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28681938 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14340969 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5355.5520723825 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999302697 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28681937 can be divided by 2 positive divisors.
The sum of these divisors (counting 28681937) is 28681938, the average is 14340969.
Base
System
Value
2
Binary
1101101011010011011010001
3
Ternary
1222222012012222
4
Quaternary
1231122123101
5
Quinary
24320310222
6
Senary
2502430425
8
Octal
155323321
10
Decimal
28681937
12
Duodecimal
9732415
16
Hexadecimal
1b5a6d1
20
Vigesimal
8j54gh
36
Base36
h2r4h
md5
5d9c2635aadf3da5ef2d53d3643e8420
sha1
a1f59434bea25e65e8a0c06a43c166ee919ca8d6
sha256
f2f96fe6fcd3804e2568dc306f9448de62877ae450d7912b65729841c407ecad
sha512
14f0c99f6a900c7f574ee92cb865ed873371a8a11905d669243e2bf5fbebff9632c4c2bb463f324c0fe5dd72d582b420449be968550fe452dc58f4a2372d4298
ripemd-160
dbe806080540052981e9985be3b38e6650efee02
Diameter
57363874
Circumference
180213925.13985
Area
2.584442223692E+15
Volume
9.8835745386763E+22
Surface area
1.0337768894768E+16
Circumference
180213925.13985
Perimeter
114727748
Area
822653510071969
Diagonal
40562384.300531
Surface area
4935921060431814
Volume
2.3595296148713E+22
Space diagonal
49678572.14349
Perimeter
86045811
Area
3.5621941911738E+14
Altitude
24839286.071745
Surface area
3.5621941911738E+14
Volume
2.7807323184766E+21
Height
13520794.766844