126987992 is an even 9-digits composite number following 126987991
and preceding 126987993 . In scientific notation, it is written as 1.26987992 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 8 positive divisors.
There are 63493992 positive integers (up to 126987992) that are relatively prime to 126987992.
126987992 has 8 divisors, whose sum is 238102500
The reverse of 126987992 is 299789621
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-six million nine hundred eighty-seven thousand nine hundred ninety-two
Scientific notation
1.26987992 × 10^8
Engineering notation
1.26987992 × 10^6
Prime Factorization
2 × 2 × 2 × 15873499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31746998
Product of the distinct prime numbers
The prime factorization of 126987992 is 2 × 2 × 2 × 15873499.
Since it has a total of 4 prime factors.
9 , 6 , 65 , 26 , 9 , 321 , 9326 , 97 , 77801 , 89162 , 253523 , 840863 , 7296526 , 4289534 , 25473046 , 64887079 , 151753122 , 221436102 , 3819743853 , 7922355573
n×2
253975984
n×3
380963976
n×4
507951968
n×5
634939960
n÷2
63493996
n÷3
42329330.666667
n÷3
31746998
n÷5
25397598.4
n2
16125950112192064
n3
2.0478020238394E+24
n4
2.6004626702091E+32
n5
3.3022753276081E+40
2 √n
11268.894888142
3 √n
502.63672690065
4 √n
106.15505116641
5 √n
41.759234720766
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126987991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126987992 can be divided by 8 positive divisors.
The sum of these divisors (counting 126987992) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100100011010111011011000
3
Ternary
22211221122202222
4
Quaternary
13210122323120
5
Quinary
230002103432
6
Senary
20333443212
8
Octal
744327330
10
Decimal
126987992
12
Duodecimal
36640508
16
Hexadecimal
791aed8
20
Vigesimal
1jdd9jc
36
Base36
23lsk8
md5
701164529d91b77d11616805a79a812b
sha1
653d0752cf8a7841958eada0af374bcec623da58
sha256
5222b42fdbdb84af6f3834e511598197c4ab277e3bffbbd15c89416923c1c1f9
sha512
b2fbd5ca95359d8b4af3e46cbde29b2c308dc1dfa3bde9102172c4b2b9824f21c456a1ab0d52b930022217170cfabcfb3ea7992372e0f85a8148f9839613e224
ripemd-160
7885a113e8755dd244cebeefa3e20f1c6a4a5711
Diameter
253975984
Circumference
797889085.52264
Area
5.0661166404618E+16
Volume
8.5778130588004E+24
Surface area
2.0264466561847E+17
Circumference
797889085.52264
Perimeter
507951968
Area
16125950112192064
Diagonal
179588140.54493
Surface area
96755700673152384
Volume
2.0478020238394E+24
Space diagonal
219949654.09515
Perimeter
380963976
Area
6.9827412286594E+15
Altitude
109974827.04758
Surface area
6.9827412286594E+15
Volume
2.4133578293073E+23
Height
59862713.514975