28673987 is an odd 8-digits prime number following 28673986
and preceding 28673988 . In scientific notation, it is written as 2.8673987 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 28673986 positive integers (up to 28673987) that are relatively prime to 28673987.
28673987 has 2 divisors, whose sum is 28673988
The reverse of 28673987 is 78937682
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 six hundred seventy-three thousand nine hundred eighty-seven
Scientific notation
2.8673987 × 10^7
Engineering notation
2.8673987 × 10^6
Prime Factorization
28673987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28673987
Product of the distinct prime numbers
The prime factorization of 28673987 is 28673987.
Since it has a total of 1 prime factors.
1 , 6 , 93 , 7 , 358 , 131 , 779 , 304 , 89223 , 54838 , 552838 , 824217 , 8209618 , 3597853 , 85349173 , 4698271 , 901832012 , 982400733 , 7435637315 , 8061340464
n×2
57347974
n×3
86021961
n×4
114695948
n×5
143369935
n÷2
14336993.5
n÷3
9557995.6666667
n÷3
7168496.75
n÷5
5734797.4
n2
822197530476169
n3
2.3575681300306E+22
n4
6.7600877912111E+29
n5
1.9383866944405E+37
2 √n
5354.8097071698
3 √n
306.07605938209
4 √n
73.176565286776
5 √n
31.009703718566
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28673988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14336994
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5354.8098005438
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999302504
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28673987 can be divided by 2 positive divisors.
The sum of these divisors (counting 28673987) is 28673988, the average is 14336994.
Base
System
Value
2
Binary
1101101011000011111000011
3
Ternary
1222221210022112
4
Quaternary
1231120133003
5
Quinary
24320031422
6
Senary
2502325535
8
Octal
155303703
10
Decimal
28673987
12
Duodecimal
97298ab
16
Hexadecimal
1b587c3
20
Vigesimal
8j44j7
36
Base36
h2kzn
md5
09a470d65079d54f7cda68180bb2a8b6
sha1
cc6585c5de4dec9c6da830e887f5da8e8991488a
sha256
17afb5665715b61d4af689dce80d1e4dd5f56ee8d9d7da095e414a8e642f6371
sha512
dee7905933d44a97b4f9902ba1cca1f1661900679e0fbf9be97ce12e8e50c24e47c639f971fef8f34053d8eb43f14e085a5197b4c3c4256ad2768ae910a924c5
ripemd-160
6a252af6aca11c1f78536ff1efc07c061bcff1c3
Diameter
57347974
Circumference
180163973.81666
Area
2.5830097215436E+15
Volume
9.8753582901886E+22
Surface area
1.0332038886174E+16
Circumference
180163973.81666
Perimeter
114695948
Area
822197530476169
Diagonal
40551141.30271
Surface area
4933185182857014
Volume
2.3575681300306E+22
Space diagonal
49664802.339569
Perimeter
86021961
Area
3.560219741606E+14
Altitude
24832401.169785
Surface area
3.560219741606E+14
Volume
2.7784206864232E+21
Height
13517047.100903