129492731 is an odd 9-digits prime number following 129492730
and preceding 129492732 . In scientific notation, it is written as 1.29492731 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 129492730 positive integers (up to 129492731) that are relatively prime to 129492731.
129492731 has 2 divisors, whose sum is 129492732
The reverse of 129492731 is 137294921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-nine million four hundred ninety-two thousand seven hundred thirty-one
Scientific notation
1.29492731 × 10^8
Engineering notation
1.29492731 × 10^6
Prime Factorization
129492731
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129492731 Product of the distinct prime numbers
The prime factorization of 129492731 is 129492731.
Since it has a total of 1 prime factors.
2 , 2 , 62 , 64 , 884 , 842 , 4896 , 184 , 53764 , 29519 , 647351 , 758026 , 7769753 , 4736973 , 42289161 , 46137166 , 135339497 , 733055947 , 758201477 , 7679086460
n×2
258985462
n×3
388478193
n×4
517970924
n×5
647463655
n÷2
64746365.5
n÷3
43164243.666667
n÷3
32373182.75
n÷5
25898546.2
n2
16768367381838361
n3
2.1713816866856E+24
n4
2.811781446523E+32
n5
3.6410525848539E+40
2 √n11379.487290735
3 √n505.91993999637
4 √n106.67467970767
5 √n41.922683856211
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129492732 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64746366 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11379.487334674 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999845551 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129492731 can be divided by 2 positive divisors.
The sum of these divisors (counting 129492731) is 129492732, the average is 64746366.
Base
System
Value
2
Binary
111101101111110011011111011
3
Ternary
100000122220122002
4
Quaternary
13231332123323
5
Quinary
231122231411
6
Senary
20503251215
8
Octal
755763373
10
Decimal
129492731
12
Duodecimal
37449b0b
16
Hexadecimal
7b7e6fb
20
Vigesimal
2096bgb
36
Base36
253h8b
md5
3f22b3d2b8e1ceca872c441b7f457d40
sha1
dd3dd92f771a19f0975f230f3e9cca0890b05400
sha256
6b8aa0e86d1732e9135b1418633a0e032ecd79c7af08a499685027f21224f94d
sha512
ba219ec2c680afa8e83eacff2eeff50ce6138227401aff42b03e435c1a69ac1391de4d8450ce087be76135ea57b40dd6181e9b19b0952e4d3895f4f3c0b08fda
ripemd-160
6f12bae9ec6972f62790dc7a8908807b2f327db0
Diameter
258985462
Circumference
813626824.80576
Area
5.2679379779478E+16
Volume
9.0954623400411E+24
Surface area
2.1071751911791E+17
Circumference
813626824.80576
Perimeter
517970924
Area
16768367381838361
Diagonal
183130376.40893
Surface area
100610204291030166
Volume
2.1713816866856E+24
Space diagonal
224287989.30285
Perimeter
388478193
Area
7.2609160663312E+15
Altitude
112143994.65142
Surface area
7.2609160663312E+15
Volume
2.5589978586661E+23
Height
61043458.802977