126987993 is an odd 9-digits composite number following 126987992
and preceding 126987994 . In scientific notation, it is written as 1.26987993 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 76554720 positive integers (up to 126987993) that are relatively prime to 126987993.
126987993 has 16 divisors, whose sum is 140987520
The reverse of 126987993 is 399789621
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-six million nine hundred eighty-seven thousand nine hundred ninety-three
Scientific notation
1.26987993 × 10^8
Engineering notation
1.26987993 × 10^6
Prime Factorization
81 × 11 × 359 × 397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
126987993
Product of the distinct prime numbers
The prime factorization of 126987993 is 81 × 11 × 359 × 397.
Since it has a total of 4 prime factors.
6 , 10 , 79 , 99 , 133 , 1 , 6297 , 2951 , 74483 , 9068 , 320699 , 281740 , 4988684 , 2913697 , 59985922 , 22848090 , 429301792 , 925276162 , 4330066480 , 5909279893
n×2
253975986
n×3
380963979
n×4
507951972
n×5
634939965
n÷2
63493996.5
n÷3
42329331
n÷3
31746998.25
n÷5
25397598.6
n2
16125950366168049
n3
2.0478020722173E+24
n4
2.6004627521212E+32
n5
3.3022754576312E+40
2 √n
11268.894932512
3 √n
502.63672822003
4 √n
106.15505137539
5 √n
41.759234786534
1 , 11 , 81 , 359 , 397 , 891 , 3949 , 4367 , 29079 , 32157 , 142523 , 319869 , 353727 , 1567753 , 11544363 , 126987993
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126987992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126987993 can be divided by 16 positive divisors.
The sum of these divisors (counting 126987993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100011010111011011001
3
Ternary
22211221122210000
4
Quaternary
13210122323121
5
Quinary
230002103433
6
Senary
20333443213
8
Octal
744327331
10
Decimal
126987993
12
Duodecimal
36640509
16
Hexadecimal
791aed9
20
Vigesimal
1jdd9jd
36
Base36
23lsk9
md5
bc45abc8561055f57f49e8503fef6750
sha1
0ddd778e41179e48f9385a0d35b01ca4293bc68c
sha256
346b903a9d2bb38bf99ba200c0f9016a3a9097e9804a471294e5867995ffc764
sha512
641694a2fbb2d7aa5e285c5cd07fbcf189f4f2558ca5ce55efcd1979cd2ed5ea915faa4b68cafc84a89956b9191349c0c00976f07effd0d9a0470356be0a0173
ripemd-160
2f60808e90f2f8846a603fe5e22c6fa30b48e7c9
Diameter
253975986
Circumference
797889091.80582
Area
5.0661167202507E+16
Volume
8.5778132614451E+24
Surface area
2.0264466881003E+17
Circumference
797889091.80582
Perimeter
507951972
Area
16125950366168049
Diagonal
179588141.95914
Surface area
96755702197008294
Volume
2.0478020722173E+24
Space diagonal
219949655.8272
Perimeter
380963979
Area
6.9827413386342E+15
Altitude
109974827.9136
Surface area
6.9827413386342E+15
Volume
2.4133578863212E+23
Height
59862713.98638