129771896 is an even 9-digits composite number following 129771895
and preceding 129771897 . In scientific notation, it is written as 1.29771896 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 8 positive divisors.
There are 64885944 positive integers (up to 129771896) that are relatively prime to 129771896.
129771896 has 8 divisors, whose sum is 243322320
The reverse of 129771896 is 698177921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million seven hundred seventy-one thousand eight hundred ninety-six
Scientific notation
1.29771896 × 10^8
Engineering notation
1.29771896 × 10^6
Prime Factorization
2 × 2 × 2 × 16221487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32442974
Product of the distinct prime numbers
The prime factorization of 129771896 is 2 × 2 × 2 × 16221487.
Since it has a total of 4 prime factors.
3 , 8 , 71 , 15 , 636 , 815 , 391 , 8568 , 58642 , 99066 , 870889 , 251181 , 4440535 , 8018519 , 78156818 , 80747747 , 798807653 , 358045008 , 4134941176 , 6117873732
n×2
259543792
n×3
389315688
n×4
519087584
n×5
648859480
n÷2
64885948
n÷3
43257298.666667
n÷3
32442974
n÷5
25954379.2
n2
16840744991434816
n3
2.185455407591E+24
n4
2.8361069186654E+32
n5
3.6804697209392E+40
2 √n
11391.746837075
3 √n
506.28323907143
4 √n
106.7321265462
5 √n
41.940743969375
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129771895
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129771896 can be divided by 8 positive divisors.
The sum of these divisors (counting 129771896) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111000010100101111000
3
Ternary
100001012002120112
4
Quaternary
13233002211320
5
Quinary
231210200041
6
Senary
20513243452
8
Octal
757024570
10
Decimal
129771896
12
Duodecimal
37563588
16
Hexadecimal
7bc2978
20
Vigesimal
20b19eg
36
Base36
259gmw
md5
782026be5b76b716a466722b81436cde
sha1
5965f6fbb49c30b91715a03203a0b5c31d23d13e
sha256
e8f234175fe7355f1d5157b24446614b2ef87e7139dc55a701db13d0deac7b88
sha512
671f217c04955b871a2dda325f0addb36338a0dce681d5bca072d457e3ec48a64ee0b194841e6fd66df44f42103623d1dd116f3997a7f80446b55c9c128a369d
ripemd-160
0a4d6443d774a851055e430de923c8ff4ba81230
Diameter
259543792
Circumference
815380870.23204
Area
5.2906760746071E+16
Volume
9.1544142043146E+24
Surface area
2.1162704298428E+17
Circumference
815380870.23204
Perimeter
519087584
Area
16840744991434816
Diagonal
183525175.33807
Surface area
101044469948608896
Volume
2.185455407591E+24
Space diagonal
224771517.26654
Perimeter
389315688
Area
7.292256490619E+15
Altitude
112385758.63327
Surface area
7.292256490619E+15
Volume
2.575583897814E+23
Height
61175058.446024