129640497 is an odd 9-digits composite number following 129640496
and preceding 129640498 . In scientific notation, it is written as 1.29640497 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 73537920 positive integers (up to 129640497) that are relatively prime to 129640497.
129640497 has 16 divisors, whose sum is 198993792
The reverse of 129640497 is 794046921
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million six hundred forty thousand four hundred ninety-seven
Scientific notation
1.29640497 × 10^8
Engineering notation
1.29640497 × 10^6
Prime Factorization
3 × 7 × 137 × 45061
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129640497
Product of the distinct prime numbers
The prime factorization of 129640497 is 3 × 7 × 137 × 45061.
Since it has a total of 4 prime factors.
7 , 10 , 26 , 86 , 390 , 215 , 281 , 4312 , 55066 , 37106 , 772961 , 331674 , 8018561 , 9924202 , 86552074 , 91939529 , 694069811 , 272896466 , 7278043539 , 803957743
n×2
259280994
n×3
388921491
n×4
518561988
n×5
648202485
n÷2
64820248.5
n÷3
43213499
n÷3
32410124.25
n÷5
25928099.4
n2
16806658462407009
n3
2.1788235559757E+24
n4
2.82463768672E+32
n5
3.6618743355131E+40
2 √n
11385.978087103
3 √n
506.11230432852
4 √n
106.7050986931
5 √n
41.932247206406
1 , 3 , 7 , 21 , 137 , 411 , 959 , 2877 , 45061 , 135183 , 315427 , 946281 , 6173357 , 18520071 , 43213499 , 129640497
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
-129640496
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 129640497 can be divided by 16 positive divisors.
The sum of these divisors (counting 129640497) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110100010100000110001
3
Ternary
100000221102022220
4
Quaternary
13232202200301
5
Quinary
231141443442
6
Senary
20510351253
8
Octal
756424061
10
Decimal
129640497
12
Duodecimal
374bb529
16
Hexadecimal
7ba2831
20
Vigesimal
20a514h
36
Base36
256n8x
md5
acd8ff095ce35045b4e2bbf7362d5bfd
sha1
dfde8866a11699707af4896196e1a3d3ddfa354a
sha256
ffd23be9e79deafba975afc2e538279a69f6f94301e66d727c0a62f51d094302
sha512
08792874c5b0b05487d8aea56f06f2d38e74aed1d30b573795a3cf501b260c4ff6313ea38d9312f00fd9acddb5234983b056e39227d9cab73756d9c7afc22412
ripemd-160
e77228e8971fdeabe9153ac4c7b8c85a5d21e812
Diameter
259280994
Circumference
814555265.96586
Area
5.2799674756891E+16
Volume
9.1266347692289E+24
Surface area
2.1119869902756E+17
Circumference
814555265.96586
Perimeter
518561988
Area
16806658462407009
Diagonal
183339349.09019
Surface area
100839950774442054
Volume
2.1788235559757E+24
Space diagonal
224543927.52248
Perimeter
388921491
Area
7.2774965905866E+15
Altitude
112271963.76124
Surface area
7.2774965905866E+15
Volume
2.5677681857323E+23
Height
61113116.363396