136687281 is an odd 9-digits composite number following 136687280
and preceding 136687282 . In scientific notation, it is written as 1.36687281 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 91124852 positive integers (up to 136687281) that are relatively prime to 136687281.
136687281 has 4 divisors, whose sum is 182249712
The reverse of 136687281 is 182786631
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-six million six hundred eighty-seven thousand two hundred eighty-one
Scientific notation
1.36687281 × 10^8
Engineering notation
1.36687281 × 10^6
Prime Factorization
3 × 45562427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
136687281
Product of the distinct prime numbers
The prime factorization of 136687281 is 3 × 45562427.
Since it has a total of 2 prime factors.
7 , 4 , 5 , 53 , 936 , 47 , 4399 , 4955 , 77788 , 8283 , 557034 , 55833 , 2189928 , 8511153 , 26063417 , 10142756 , 496162940 , 514756351 , 8177763056 , 609607804
n×2
273374562
n×3
410061843
n×4
546749124
n×5
683436405
n÷2
68343640.5
n÷3
45562427
n÷3
34171820.25
n÷5
27337456.2
n2
18683412787172961
n3
2.5537848936793E+24
n4
3.490699133759E+32
n5
4.7713417338257E+40
2 √n
11691.333585182
3 √n
515.12113404057
4 √n
108.1264703261
5 √n
42.378503927685
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
-136687280
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 136687281 can be divided by 4 positive divisors.
The sum of these divisors (counting 136687281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001001011010111010110001
3
Ternary
100112012102200220
4
Quaternary
20021122322301
5
Quinary
234442443111
6
Senary
21321403253
8
Octal
1011327261
10
Decimal
136687281
12
Duodecimal
39939529
16
Hexadecimal
825aeb1
20
Vigesimal
22e5i41
36
Base36
29dokx
md5
29bd6d7383ed01a4783a64eca9771931
sha1
6d63378421b3b92cf5ffa2e8cd92802e451e361c
sha256
bff0d1cf8a7ffe745b685cd214ba974fbac18f8141667f20c3a7bde0b5f84f24
sha512
8d5d89c8679b3e95119ae4eb29c21162478ff0f9d9ee0506ad06f3731e35e42b69880ca431ea7f864e7edc68e82fd1217050592f8143120dbc370c45967be9a7
ripemd-160
1c8c448dfb44902ca36c695266e75d382b409678
Diameter
273374562
Circumference
858831515.65753
Area
5.8695672356168E+16
Volume
1.0697269147775E+25
Surface area
2.3478268942467E+17
Circumference
858831515.65753
Perimeter
546749124
Area
18683412787172961
Diagonal
193305006.5941
Surface area
112100476723037766
Volume
2.5537848936793E+24
Space diagonal
236749315.44044
Perimeter
410061843
Area
8.0901550515414E+15
Altitude
118374657.72022
Surface area
8.0901550515414E+15
Volume
3.0096643600207E+23
Height
64435002.198034