129781369 is an odd 9-digits composite number following 129781368
and preceding 129781370 . In scientific notation, it is written as 1.29781369 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 129688996 positive integers (up to 129781369) that are relatively prime to 129781369.
129781369 has 4 divisors, whose sum is 129873744
The reverse of 129781369 is 963187921
Previous prime number is 1427
Is Prime? no Number parity odd Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-nine million seven hundred eighty-one thousand three hundred sixty-nine
Scientific notation
1.29781369 × 10^8
Engineering notation
1.29781369 × 10^6
Prime Factorization
1427 × 90947
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
129781369 Product of the distinct prime numbers
The prime factorization of 129781369 is 1427 × 90947.
Since it has a total of 2 prime factors.
4 , 7 , 18 , 92 , 745 , 674 , 2024 , 1647 , 61360 , 93482 , 515856 , 208573 , 7650583 , 5675907 , 90382542 , 64393330 , 232464463 , 535850775 , 7385019152 , 2786758334
n×2
259562738
n×3
389344107
n×4
519125476
n×5
648906845
n÷2
64890684.5
n÷3
43260456.333333
n÷3
32445342.25
n÷5
25956273.8
n2
16843203739514161
n3
2.1859340396601E+24
n4
2.8369351221078E+32
n5
3.6818132391134E+40
2 √n11392.162612955
3 √n506.29555787742
4 √n106.73407428256
5 √n41.941356263839
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129781368 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129781369 can be divided by 4 positive divisors.
The sum of these divisors (counting 129781369) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111000100111001111001
3
Ternary
100001012120120101
4
Quaternary
13233010321321
5
Quinary
231211000434
6
Senary
20513355401
8
Octal
757047171
10
Decimal
129781369
12
Duodecimal
37568b61
16
Hexadecimal
7bc4e79
20
Vigesimal
20b2d89
36
Base36
259ny1
md5
5520da40ac8d62cc8bbb31e6d9480e62
sha1
b21f4c84f30c2b879a41023676fa738d351f61c1
sha256
10c18f466c7e4379605fffd11116bc1d83b4d1c6f4f8a842ad483797a8251a84
sha512
ee97c2f69904bdc747acd152300a725c25ff50d151d4c933c18fc78eafdbd3ce2e2c18237e2516dcfdd049146a29eea9d5f88547840352be7f07472532a93778
ripemd-160
ab10bbdc5a5cdabbb55b50e0a6a7cc476040360f
Diameter
259562738
Circumference
815440390.84645
Area
5.2914485130974E+16
Volume
9.1564190936372E+24
Surface area
2.116579405239E+17
Circumference
815440390.84645
Perimeter
519125476
Area
16843203739514161
Diagonal
183538572.18315
Surface area
101059222437084966
Volume
2.1859340396601E+24
Space diagonal
224787924.98384
Perimeter
389344107
Area
7.2933211597682E+15
Altitude
112393962.49192
Surface area
7.2933211597682E+15
Volume
2.5761479711169E+23
Height
61179524.061049