128698732 is an even 9-digits composite number following 128698731
and preceding 128698733 . In scientific notation, it is written as 1.28698732 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 62273520 positive integers (up to 128698732) that are relatively prime to 128698732.
128698732 has 12 divisors, whose sum is 232488256
The reverse of 128698732 is 237896821
Previous prime number is 31
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-eight million six hundred ninety-eight thousand seven hundred thirty-two
Scientific notation
1.28698732 × 10^8
Engineering notation
1.28698732 × 10^6
Prime Factorization
2 × 2 × 31 × 1037893
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64349366 Product of the distinct prime numbers
The prime factorization of 128698732 is 2 × 2 × 31 × 1037893.
Since it has a total of 4 prime factors.
8 , 4 , 84 , 44 , 726 , 253 , 4737 , 5785 , 32739 , 8888 , 744879 , 377908 , 137945 , 2866630 , 10007570 , 77319371 , 986741566 , 20697899 , 1921491234 , 5479559163
n×2
257397464
n×3
386096196
n×4
514794928
n×5
643493660
n÷2
64349366
n÷3
42899577.333333
n÷3
32174683
n÷5
25739746.4
n2
16563363618407824
n3
2.131683895344E+24
n4
2.743450143556E+32
n5
3.5307855478087E+40
2 √n11344.546354967
3 √n504.88378464852
4 √n106.51078046361
5 √n41.871146583718
1 , 2 , 4 , 31 , 62 , 124 , 1037893 , 2075786 , 4151572 , 32174683 , 64349366 , 128698732
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
-128698731 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 128698732 can be divided by 12 positive divisors.
The sum of these divisors (counting 128698732) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010111100100101101100
3
Ternary
22222011120110201
4
Quaternary
13222330211230
5
Quinary
230421324412
6
Senary
20434243244
8
Octal
752744554
10
Decimal
128698732
12
Duodecimal
37126524
16
Hexadecimal
7abc96c
20
Vigesimal
20476gc
36
Base36
24mgks
md5
cabf704c29d0fd38e9194115467ba06e
sha1
b55e53a743d8ad2c72a5eae3dafdfe483b52c79d
sha256
f81bee439286ba7256ea8f2750a456fcbaa285fc3212ec1478447ea410090bde
sha512
1dc6d6ae18a48a14d63692b10091574b7c86587d0d377e22846d9ca5d9406cd8ca70d87bfb96dcd80fa291c1a1ceb9812abfe155a3accd5846aba0a812e87d52
ripemd-160
568c4f02a5224639400474d7b3bb0f685864b833
Diameter
257397464
Circumference
808637981.95504
Area
5.2035341462326E+16
Volume
8.9291766205179E+24
Surface area
2.0814136584931E+17
Circumference
808637981.95504
Perimeter
514794928
Area
16563363618407824
Diagonal
182007492.25462
Surface area
99380181710446944
Volume
2.131683895344E+24
Space diagonal
222912742.69369
Perimeter
386096196
Area
7.1721468328301E+15
Altitude
111456371.34685
Surface area
7.1721468328301E+15
Volume
2.5122135629065E+23
Height
60669164.084873