126978813 is an odd 9-digits composite number following 126978812
and preceding 126978814 . In scientific notation, it is written as 1.26978813 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 78140592 positive integers (up to 126978813) that are relatively prime to 126978813.
126978813 has 16 divisors, whose sum is 202587840
The reverse of 126978813 is 318879621
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-six million nine hundred seventy-eight thousand eight hundred thirteen
Scientific notation
1.26978813 × 10^8
Engineering notation
1.26978813 × 10^6
Prime Factorization
3 × 9 × 13 × 361763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
126978813
Product of the distinct prime numbers
The prime factorization of 126978813 is 3 × 9 × 13 × 361763.
Since it has a total of 4 prime factors.
4 , 7 , 88 , 80 , 876 , 681 , 2381 , 20 , 32099 , 17324 , 524737 , 670040 , 2569450 , 8430684 , 13073564 , 70544604 , 286135269 , 159007077 , 1045408003 , 1160859775
n×2
253957626
n×3
380936439
n×4
507915252
n×5
634894065
n÷2
63489406.5
n÷3
42326271
n÷3
31744703.25
n÷5
25395762.6
n2
16123618950888969
n3
2.0473579956482E+24
n4
2.5997108807347E+32
n5
3.3010820177887E+40
2 √n
11268.487609258
3 √n
502.62461600835
4 √n
106.15313282828
5 √n
41.758631011561
1 , 3 , 9 , 13 , 27 , 39 , 117 , 351 , 361763 , 1085289 , 3255867 , 4702919 , 9767601 , 14108757 , 42326271 , 126978813
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
-126978812
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 126978813 can be divided by 16 positive divisors.
The sum of these divisors (counting 126978813) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100011000101011111101
3
Ternary
22211221012012000
4
Quaternary
13210120223331
5
Quinary
230001310223
6
Senary
20333332513
8
Octal
744305375
10
Decimal
126978813
12
Duodecimal
36637139
16
Hexadecimal
7918afd
20
Vigesimal
1jdc70d
36
Base36
23llh9
md5
cac7c098c0c1bb1dfa5e87786f3d00ff
sha1
9fdd20975b98fa06bca2304c0524b53f98911518
sha256
adc5c9dfd7d5d6274bdd934133341c1531e2c2401bc8caaa463e468124962da7
sha512
ce78314fb6caa916b6cc9702819348df3c07007cf5e2ba2ccef4032900ce093faa3237f8344666c339dbe4210676396221ce2f95254ba45350b2acff7ede945d
ripemd-160
d25063bd2be3dc5250076644b73595b68c71fbb7
Diameter
253957626
Circumference
797831412.1647
Area
5.0653842845394E+16
Volume
8.5759531178622E+24
Surface area
2.0261537138158E+17
Circumference
797831412.1647
Perimeter
507915252
Area
16123618950888969
Diagonal
179575159.47864
Surface area
96741713705333814
Volume
2.0473579956482E+24
Space diagonal
219933755.60079
Perimeter
380936439
Area
6.981731806205E+15
Altitude
109966877.80039
Surface area
6.981731806205E+15
Volume
2.4128345370656E+23
Height
59858386.492879