126987138 is an even 9-digits composite number following 126987137
and preceding 126987139 . In scientific notation, it is written as 1.26987138 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 41214528 positive integers (up to 126987138) that are relatively prime to 126987138.
126987138 has 32 divisors, whose sum is 217267200
The reverse of 126987138 is 831789621
Previous prime number is 367
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-six million nine hundred eighty-seven thousand one hundred thirty-eight
Scientific notation
1.26987138 × 10^8
Engineering notation
1.26987138 × 10^6
Prime Factorization
2 × 9 × 409 × 367 × 47
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
126987138
Product of the distinct prime numbers
The prime factorization of 126987138 is 2 × 9 × 409 × 367 × 47.
Since it has a total of 5 prime factors.
8 , 10 , 53 , 29 , 379 , 128 , 9244 , 2470 , 5906 , 10324 , 924829 , 438295 , 673665 , 7692906 , 5493414 , 66895856 , 385992042 , 270559946 , 5382478888 , 3785901720
n×2
253974276
n×3
380961414
n×4
507948552
n×5
634935690
n÷2
63493569
n÷3
42329046
n÷3
31746784.5
n÷5
25397427.6
n2
16125733217431044
n3
2.0477607094331E+24
n4
2.6003927179976E+32
n5
3.3021642893455E+40
2 √n
11268.856996164
3 √n
502.63560014653
4 √n
106.15487269157
5 √n
41.759178554065
1 , 2 , 9 , 18 , 47 , 94 , 367 , 409 , 423 , 734 , 818 , 846 , 3303 , 3681 , 6606 , 7362 , 17249 , 19223 , 34498 , 38446 , 150103 , 155241 , 173007 , 300206 , 310482 , 346014 , 1350927 , 2701854 , 7054841 , 14109682 , 63493569 , 126987138
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126987137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126987138 can be divided by 32 positive divisors.
The sum of these divisors (counting 126987138) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111100100011010101110000010
3
Ternary
22211221121121100
4
Quaternary
13210122232002
5
Quinary
230002042023
6
Senary
20333435230
8
Octal
744325602
10
Decimal
126987138
12
Duodecimal
3663bb16
16
Hexadecimal
791ab82
20
Vigesimal
1jdd7gi
36
Base36
23lrwi
md5
ac82567d695199d863364a402a6b9fa4
sha1
e9ea85437e40378c170b542f577e4d096c478495
sha256
50ae72e8e89eadad61fb47c1e284c4bda123a9a96b80db5d6ce3f88dd4fb7b85
sha512
604265d2ba3a6af8e80be9685244edae8c3eaddb9e0b545c02605cc72f0bb7eb78dfd9d2373d2ad56591383b9ff260b91b55e3a54fa1219fd9af7f5c0833ca93
ripemd-160
e54ef8be487adb3f719a0ceb931a6adc5165cb48
Diameter
253974276
Circumference
797883719.68239
Area
5.066048500963E+16
Volume
8.5776400014198E+24
Surface area
2.0264194003852E+17
Circumference
797883719.68239
Perimeter
507948552
Area
16125733217431044
Diagonal
179586932.80654
Surface area
96754399304586264
Volume
2.0477607094331E+24
Space diagonal
219948174.92376
Perimeter
380961414
Area
6.9826473104729E+15
Altitude
109974087.46188
Surface area
6.9826473104729E+15
Volume
2.4133091398125E+23
Height
59862310.935515