28977881 is an odd 8-digits prime number following 28977880
and preceding 28977882 . In scientific notation, it is written as 2.8977881 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 28977880 positive integers (up to 28977881) that are relatively prime to 28977881.
28977881 has 2 divisors, whose sum is 28977882
The reverse of 28977881 is 18877982
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
twenty-eight million nine hundred seventy-seven thousand eight hundred eighty-one
Scientific notation
2.8977881 × 10^7
Engineering notation
2.8977881 × 10^6
Prime Factorization
28977881
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28977881 Product of the distinct prime numbers
The prime factorization of 28977881 is 28977881.
Since it has a total of 1 prime factors.
6 , 6 , 77 , 18 , 598 , 811 , 5772 , 6303 , 28748 , 39025 , 151709 , 315103 , 6504053 , 986195 , 33426400 , 59339209 , 390968088 , 117902628 , 4946747858 , 3917394525
n×2
57955762
n×3
86933643
n×4
115911524
n×5
144889405
n÷2
14488940.5
n÷3
9659293.6666667
n÷3
7244470.25
n÷5
5795576.2
n2
839717587250161
n3
2.4333236316942E+22
n4
7.0512562633723E+29
n5
2.0433046490051E+37
2 √n5383.1107177913
3 √n307.15355169437
4 √n73.36968527799
5 √n31.075156530184
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28977882 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14488941 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5383.1108106744 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999309818 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28977881 can be divided by 2 positive divisors.
The sum of these divisors (counting 28977881) is 28977882, the average is 14488941.
Base
System
Value
2
Binary
1101110100010101011011001
3
Ternary
2000112020011212
4
Quaternary
1232202223121
5
Quinary
24404243011
6
Senary
2513032505
8
Octal
156425331
10
Decimal
28977881
12
Duodecimal
9855735
16
Hexadecimal
1ba2ad9
20
Vigesimal
9124e1
36
Base36
h93h5
md5
7bd424b8c22e404f5c9fc5483d0fe0a5
sha1
77cfc471630bb6525c1a5881c02f321c2d016873
sha256
540826245b1e776069e407b58c302d06dbcf6adf7ba0e0449c878502a5721457
sha512
3587e3147fab1aa17976c873c73bf5fe5e35669f277f47aed414e2e632cc7c708d7572c04d230a97e8e65c8da9f5d4d8f79e4df9c682ce646af85164132139c0
ripemd-160
0b5dcd6eee8a6686f9e3a00d1a3d21651ad9e756
Diameter
57955762
Circumference
182073396.1324
Area
2.6380506031953E+15
Volume
1.0192682193516E+23
Surface area
1.0552202412781E+16
Circumference
182073396.1324
Perimeter
115911524
Area
839717587250161
Diagonal
40980912.319034
Surface area
5038305523500966
Volume
2.4333236316942E+22
Space diagonal
50191162.187685
Perimeter
86933643
Area
3.6360838128161E+14
Altitude
25095581.093842
Surface area
3.6360838128161E+14
Volume
2.8676994013208E+21
Height
13660304.106345