128698380 is an even 9-digits composite number following 128698379
and preceding 128698381 . In scientific notation, it is written as 1.28698380 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 34319520 positive integers (up to 128698380) that are relatively prime to 128698380.
128698380 has 12 divisors, whose sum is 230227424
The reverse of 128698380 is 083896821
Previous prime number is 45
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million six hundred ninety-eight thousand three hundred eighty
Scientific notation
1.28698380 × 10^8
Engineering notation
1.28698380 × 10^6
Prime Factorization
2 × 2 × 45 × 714991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64349190
Product of the distinct prime numbers
The prime factorization of 128698380 is 2 × 2 × 45 × 714991.
Since it has a total of 4 prime factors.
6 , 4 , 100 , 16 , 879 , 441 , 5646 , 1972 , 8435 , 12789 , 660996 , 144414 , 7451179 , 482083 , 83790064 , 42554876 , 278284565 , 935814163 , 5077866596 , 2664445030
n×2
257396760
n×3
386095140
n×4
514793520
n×5
643491900
n÷2
64349190
n÷3
42899460
n÷3
32174595
n÷5
25739676
n2
16563273014624400
n3
2.1316664044799E+24
n4
2.7434201295698E+32
n5
3.5307372633503E+40
2 √n
11344.530840894
3 √n
504.88332435066
4 √n
106.51070763493
5 √n
41.871123679592
1 , 2 , 4 , 45 , 90 , 180 , 714991 , 1429982 , 2859964 , 32174595 , 64349190 , 128698380
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
-128698379
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 128698380 can be divided by 12 positive divisors.
The sum of these divisors (counting 128698380) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010111100100000001100
3
Ternary
22222011112222200
4
Quaternary
13222330200030
5
Quinary
230421322010
6
Senary
20434241500
8
Octal
752744014
10
Decimal
128698380
12
Duodecimal
37126290
16
Hexadecimal
7abc80c
20
Vigesimal
20475j0
36
Base36
24mgb0
md5
1926b8b3a0a59249abc832cab082861a
sha1
2f32a5b3777b68c5d48b6cdb52cabb990d46ca2f
sha256
a1f9cf6f76836ac53b08a25ad23bb5449601a05f7e95515d7673fe42c848284e
sha512
a449f498196266e3ed192cd90a54ba04d70169456d4d6120f27ac8cdb4f2d2c6f6ad126b810dc1045afbabcf3d577abdac33e15326981dd9f3cbc8a9b28a8474
ripemd-160
e37d8804829b1364e9bcec70fd0caa084598da13
Diameter
257396760
Circumference
808635770.27382
Area
5.2035056822146E+16
Volume
8.9291033549575E+24
Surface area
2.0814022728858E+17
Circumference
808635770.27382
Perimeter
514793520
Area
16563273014624400
Diagonal
182006994.45145
Surface area
99379638087746400
Volume
2.1316664044799E+24
Space diagonal
222912133.01181
Perimeter
386095140
Area
7.172107600241E+15
Altitude
111456066.5059
Surface area
7.172107600241E+15
Volume
2.5121929497254E+23
Height
60668998.150482