129621086 is an even 9-digits composite number following 129621085
and preceding 129621087 . In scientific notation, it is written as 1.29621086 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 55305816 positive integers (up to 129621086) that are relatively prime to 129621086.
129621086 has 16 divisors, whose sum is 223191936
The reverse of 129621086 is 680126921
Previous prime number is 227
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million six hundred twenty-one thousand eighty-six
Scientific notation
1.29621086 × 10^8
Engineering notation
1.29621086 × 10^6
Prime Factorization
2 × 7 × 227 × 40787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129621086
Product of the distinct prime numbers
The prime factorization of 129621086 is 2 × 7 × 227 × 40787.
Since it has a total of 4 prime factors.
10 , 8 , 7 , 32 , 108 , 575 , 8700 , 5845 , 87477 , 78555 , 302612 , 561532 , 5842128 , 2323568 , 87463883 , 77524162 , 773701388 , 464895526 , 1449587390 , 1598467139
n×2
259242172
n×3
388863258
n×4
518484344
n×5
648105430
n÷2
64810543
n÷3
43207028.666667
n÷3
32405271.5
n÷5
25924217.2
n2
16801625935819396
n3
2.1778450003667E+24
n4
2.822946340872E+32
n5
3.6591337042355E+40
2 √n
11385.125647089
3 √n
506.08704309578
4 √n
106.70110424494
5 √n
41.930991432751
1 , 2 , 7 , 14 , 227 , 454 , 1589 , 3178 , 40787 , 81574 , 285509 , 571018 , 9258649 , 18517298 , 64810543 , 129621086
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
-129621085
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 129621086 can be divided by 16 positive divisors.
The sum of these divisors (counting 129621086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011101110001011110
3
Ternary
100000220102200222
4
Quaternary
13232131301132
5
Quinary
231140333321
6
Senary
20510121342
8
Octal
756356136
10
Decimal
129621086
12
Duodecimal
374b0252
16
Hexadecimal
7b9dc5e
20
Vigesimal
20a2ce6
36
Base36
25689q
md5
ac9cd0fe77bf1ce839a61d2ce8c2d354
sha1
fe2df993c0ac3e16a2402c606d2a07af53d9be63
sha256
4c610eb2c3049a9482fd5c13a494142360646d2f974eabec86a6dc57f752ce26
sha512
228db5097cc20511f25a04343509da61da1e5386d3554ee7d175bf851a7faf31ec40fb6b706948f6c4ac2701f4b66af31fb0d496065f106455135acb459f291d
ripemd-160
11f7a683db2d6ab7ec15a88714371a3085904b6d
Diameter
259242172
Circumference
814433303.05586
Area
5.2783864608334E+16
Volume
9.1225358050789E+24
Surface area
2.1113545843334E+17
Circumference
814433303.05586
Perimeter
518484344
Area
16801625935819396
Diagonal
183311897.79073
Surface area
100809755614916376
Volume
2.1778450003667E+24
Space diagonal
224510306.68425
Perimeter
388863258
Area
7.2753174426515E+15
Altitude
112255153.34213
Surface area
7.2753174426515E+15
Volume
2.5666149468875E+23
Height
61103965.930243