129126740 is an even 9-digits composite number following 129126739
and preceding 129126741 . In scientific notation, it is written as 1.29126740 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 51650688 positive integers (up to 129126740) that are relatively prime to 129126740.
129126740 has 12 divisors, whose sum is 271166196
The reverse of 129126740 is 047621921
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 32 Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-six thousand seven hundred forty
Scientific notation
1.29126740 × 10^8
Engineering notation
1.29126740 × 10^6
Prime Factorization
2 × 2 × 5 × 6456337
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64563370 Product of the distinct prime numbers
The prime factorization of 129126740 is 2 × 2 × 5 × 6456337.
Since it has a total of 4 prime factors.
4 , 10 , 84 , 85 , 840 , 854 , 9206 , 3395 , 65785 , 17174 , 570194 , 203918 , 6882095 , 8323227 , 29567719 , 25986130 , 663506219 , 291500392 , 328394659 , 2937109497
n×2
258253480
n×3
387380220
n×4
516506960
n×5
645633700
n÷2
64563370
n÷3
43042246.666667
n÷3
32281685
n÷5
25825348
n2
16673714983027600
n3
2.1530224594475E+24
n4
2.7801277133524E+32
n5
3.5898882840885E+40
2 √n11363.394739249
3 √n505.4428556542
4 √n106.59922485295
5 √n41.898959434696
1 , 2 , 4 , 5 , 10 , 20 , 6456337 , 12912674 , 25825348 , 32281685 , 64563370 , 129126740
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129126739 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129126740 can be divided by 12 positive divisors.
The sum of these divisors (counting 129126740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100101000101010100
3
Ternary
22222222022120212
4
Quaternary
13230211011110
5
Quinary
231024023430
6
Senary
20451344552
8
Octal
754450524
10
Decimal
129126740
12
Duodecimal
372b2158
16
Hexadecimal
7b25154
20
Vigesimal
2070gh0
36
Base36
24vmtw
md5
011553fc27794e1840971bc57d76ea66
sha1
2a730952aa6b583c820d247df685eeb6ce55dd9a
sha256
07129aeee3a0b07d811360215a3a481abf95689aca129e772c1a3e495e4fcfb9
sha512
86ddc78e8a57311f239a2939fa0fe0e92bdb5f1854feaa7448c1bc6ad64b1b11ccfc789520ebd940a973129449a7ad748c31d4fea0e55f9167c6133403679222
ripemd-160
d2a7c8a2836e1d9208c3e05a8ac9be0dcc97229c
Diameter
258253480
Circumference
811327235.532
Area
5.238202049873E+16
Volume
9.0185593888188E+24
Surface area
2.0952808199492E+17
Circumference
811327235.532
Perimeter
516506960
Area
16673714983027600
Diagonal
182612786.97302
Surface area
100042289898165600
Volume
2.1530224594475E+24
Space diagonal
223654074.29574
Perimeter
387380220
Area
7.2199303753816E+15
Altitude
111827037.14787
Surface area
7.2199303753816E+15
Volume
2.5373613018705E+23
Height
60870928.991008