11897987 is an odd 8-digits composite number following 11897986
and preceding 11897988 . In scientific notation, it is written as 1.1897987 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 11890200 positive integers (up to 11897987) that are relatively prime to 11897987.
11897987 has 4 divisors, whose sum is 11905776
The reverse of 11897987 is 78979811
Previous prime number is 2087
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eleven million eight hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
1.1897987 × 10^7
Engineering notation
1.1897987 × 10^6
Prime Factorization
2087 × 5701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
11897987
Product of the distinct prime numbers
The prime factorization of 11897987 is 2087 × 5701.
Since it has a total of 2 prime factors.
3 , 4 , 95 , 13 , 649 , 599 , 7105 , 301 , 70677 , 68836 , 393333 , 739405 , 5679037 , 3780325 , 12106174 , 22234605 , 566523663 , 216270726 , 1989726279 , 5378882951
n×2
23795974
n×3
35693961
n×4
47591948
n×5
59489935
n÷2
5948993.5
n÷3
3965995.6666667
n÷3
2974496.75
n÷5
2379597.4
n2
141562094652169
n3
1.6843039618643E+21
n4
2.003982664231E+28
n5
2.3843359687245E+35
2 √n
3449.3458800184
3 √n
228.2922473301
4 √n
58.731132119332
5 √n
26.007265903875
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
-11897986
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 11897987 can be divided by 4 positive divisors.
The sum of these divisors (counting 11897987) is 1, the average is 0.25.
Base
System
Value
2
Binary
101101011000110010000011
3
Ternary
211101110222012
4
Quaternary
231120302003
5
Quinary
11021213422
6
Senary
1103003135
8
Octal
55306203
10
Decimal
11897987
12
Duodecimal
3b994ab
16
Hexadecimal
b58c83
20
Vigesimal
3e74j7
36
Base36
730jn
md5
3f64690de529b352e441536c50b93adc
sha1
70fd7fd38f32631b3875d6e8a3b8b0a02ec9dfc5
sha256
6adea4970920d5a9bb38bb71d6c70c1b4f714eea7f8ef367955ee833ab822ec9
sha512
ea34fd25cd00d03a1d461021e4d1dc94510939076f760f62c4bcda6f511c6cf1c3555d5dab53acb5e2792bd3542b86a2bfbc453d42c2f845099a00303889117b
ripemd-160
a59c6549ed2d698b1c6fcc56da46cd468323efc1
Diameter
23795974
Circumference
74757257.103414
Area
4.4473043658604E+14
Volume
7.05519593734E+21
Surface area
1.7789217463441E+15
Circumference
74757257.103414
Perimeter
47591948
Area
141562094652169
Diagonal
16826294.580339
Surface area
849372567913014
Volume
1.6843039618643E+21
Space diagonal
20607917.991794
Perimeter
35693961
Area
61298185090858
Altitude
10303958.995897
Surface area
61298185090858
Volume
1.9849712550227E+20
Height
5608764.8601129