129778977 is an odd 9-digits composite number following 129778976
and preceding 129778978 . In scientific notation, it is written as 1.29778977 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 86519316 positive integers (up to 129778977) that are relatively prime to 129778977.
129778977 has 4 divisors, whose sum is 173038640
The reverse of 129778977 is 779877921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred twenty-nine million seven hundred seventy-eight thousand nine hundred seventy-seven
Scientific notation
1.29778977 × 10^8
Engineering notation
1.29778977 × 10^6
Prime Factorization
3 × 43259659
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129778977
Product of the distinct prime numbers
The prime factorization of 129778977 is 3 × 43259659.
Since it has a total of 2 prime factors.
1 , 4 , 48 , 19 , 395 , 725 , 777 , 3238 , 39776 , 27325 , 553256 , 299615 , 8914180 , 5240229 , 73549660 , 70917906 , 431558622 , 128079304 , 1639020312 , 8301889928
n×2
259557954
n×3
389336931
n×4
519115908
n×5
648894885
n÷2
64889488.5
n÷3
43259659
n÷3
32444744.25
n÷5
25955795.4
n2
16842582871166529
n3
2.1858131750577E+24
n4
2.8367259777211E+32
n5
3.6814739541797E+40
2 √n
11392.057628014
3 √n
506.29244734771
4 √n
106.73358247531
5 √n
41.941201658498
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
-129778976
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 129778977 can be divided by 4 positive divisors.
The sum of these divisors (counting 129778977) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111000100010100100001
3
Ternary
100001012110021210
4
Quaternary
13233010110201
5
Quinary
231210411402
6
Senary
20513340333
8
Octal
757042441
10
Decimal
129778977
12
Duodecimal
375676a9
16
Hexadecimal
7bc4521
20
Vigesimal
20b278h
36
Base36
259m3l
md5
d4143a7327cca3c59fa7ff18d552bdb3
sha1
3daa09b6b9b5554fa7effd342a930fac859dc60b
sha256
705ba727386a80a7736d281d0190ceb0a186e0096e3f4c0ff008bfb5d75dd3fd
sha512
84c8a2b6d796c1d8c45234b7ce632cf28e60270b94b9c683a692401f7f29ad693129611d1825451c0eca252fe3aeb4627b6382102d77ff726717d7a2c7aa8bd0
ripemd-160
4f7fad2581debff161586028ed398e86e872357e
Diameter
259557954
Circumference
815425361.4672
Area
5.2912534615534E+16
Volume
9.1559128171748E+24
Surface area
2.1165013846214E+17
Circumference
815425361.4672
Perimeter
519115908
Area
16842582871166529
Diagonal
183535189.38431
Surface area
101055497226999174
Volume
2.1858131750577E+24
Space diagonal
224783781.91831
Perimeter
389336931
Area
7.2930523158874E+15
Altitude
112391890.95916
Surface area
7.2930523158874E+15
Volume
2.576005530817E+23
Height
61178396.461435