1279938668 is an even 10-digits composite number following 1279938667
and preceding 1279938669 . In scientific notation, it is written as 1.279938668 × 10^9.
The sum of its digits is 59. It has a total of 4 prime factors and 12 positive divisors.
There are 633371520 positive integers (up to 1279938668) that are relatively prime to 1279938668.
1279938668 has 12 divisors, whose sum is 2262985032
The reverse of 1279938668 is 8668399721
Previous prime number is 97
Is Prime? no Number parity even Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion two hundred seventy-nine million nine hundred thirty-eight thousand six hundred sixty-eight
Scientific notation
1.279938668 × 10^9
Engineering notation
1.279938668 × 10^9
Prime Factorization
2 × 2 × 97 × 3298811
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
639969334 Product of the distinct prime numbers
The prime factorization of 1279938668 is 2 × 2 × 97 × 3298811.
Since it has a total of 4 prime factors.
4 , 5 , 66 , 80 , 59 , 690 , 2587 , 4357 , 50869 , 85390 , 62273 , 135933 , 4068127 , 5177367 , 99033918 , 42509396 , 962295389 , 702738033 , 9439035227 , 7171352263
n×2
2559877336
n×3
3839816004
n×4
5119754672
n×5
6399693340
n÷2
639969334
n÷3
426646222.66667
n÷3
319984667
n÷5
255987733.6
n2
1638242993841614224
n3
2.096850555398E+27
n4
2.6838401068711E+36
n5
3.4351507315136E+45
2 √n35776.230488971
3 √n1085.7497046254
4 √n189.14605596991
5 √n66.288445078081
1 , 2 , 4 , 97 , 194 , 388 , 3298811 , 6597622 , 13195244 , 319984667 , 639969334 , 1279938668
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1279938667 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1279938668 can be divided by 12 positive divisors.
The sum of these divisors (counting 1279938668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010010100101000001101100
3
Ternary
10022012102121202212
4
Quaternary
1030102211001230
5
Quinary
10110131014133
6
Senary
331001305552
8
Octal
11422450154
10
Decimal
1279938668
12
Duodecimal
2b87952b8
16
Hexadecimal
4c4a506c
20
Vigesimal
jjjc6d8
36
Base36
l61izw
md5
8e6116163993d51b6a59472a96910e0e
sha1
6304b758aa4111fe96187c30538405821460cb26
sha256
fafa8ee1bfe3de89cd28d694a9d950ce7d9f745898dafea104b6e3b6015b9b48
sha512
d01036bf65f21262f1133c10c120ece232d3ab38aa71456170aef74e2bb908723d40ed1798d6b6ae891c03f11d69691e3d2fcc5818545fccbc69b475e0997cc7
ripemd-160
10db7912ee6e3292ffad5c5706eee3680aa7ce2f
Diameter
2559877336
Circumference
8042091832.8686
Area
5.1466921542478E+18
Volume
8.7832670673519E+27
Surface area
2.0586768616991E+19
Circumference
8042091832.8686
Perimeter
5119754672
Area
1638242993841614224
Diagonal
1810106623.2914
Surface area
9.8294579630497E+18
Volume
2.096850555398E+27
Space diagonal
2216918803.548
Perimeter
3839816004
Area
7.0938002511936E+17
Altitude
1108459401.774
Surface area
7.0938002511936E+17
Volume
2.4711620780945E+26
Height
603368874.43045