128472015 is an odd 9-digits composite number following 128472014
and preceding 128472016 . In scientific notation, it is written as 1.28472015 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 54794880 positive integers (up to 128472015) that are relatively prime to 128472015.
128472015 has 16 divisors, whose sum is 136505088
The reverse of 128472015 is 510274821
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million four hundred seventy-two thousand fifteen
Scientific notation
1.28472015 × 10^8
Engineering notation
1.28472015 × 10^6
Prime Factorization
57 × 35 × 71 × 907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128472015
Product of the distinct prime numbers
The prime factorization of 128472015 is 57 × 35 × 71 × 907.
Since it has a total of 4 prime factors.
6 , 1 , 8 , 60 , 883 , 926 , 4939 , 8506 , 958 , 9487 , 725199 , 783217 , 7300090 , 89902 , 59266779 , 57859948 , 5005820 , 110118463 , 7763290211 , 2723438004
n×2
256944030
n×3
385416045
n×4
513888060
n×5
642360075
n÷2
64236007.5
n÷3
42824005
n÷3
32118003.75
n÷5
25694403
n2
16505058638160225
n3
2.1204381409376E+24
n4
2.7241696064911E+32
n5
3.4997955854767E+40
2 √n
11334.549616107
3 √n
504.58714091383
4 √n
106.46384182485
5 √n
41.856384049872
1 , 35 , 57 , 71 , 907 , 1995 , 2485 , 4047 , 31745 , 51699 , 64397 , 141645 , 1809465 , 2253895 , 3670629 , 128472015
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
-128472014
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 128472015 can be divided by 16 positive divisors.
The sum of these divisors (counting 128472015) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010000101001111001111
3
Ternary
22221202001110210
4
Quaternary
13222011033033
5
Quinary
230342101030
6
Senary
20425333503
8
Octal
752051717
10
Decimal
128472015
12
Duodecimal
37037293
16
Hexadecimal
7a853cf
20
Vigesimal
202j00f
36
Base36
24hln3
md5
f9c5d85a5b7935cc202cc3e51c3295b4
sha1
c460b8cb74b7ecba72624ea8fce6562c613782d2
sha256
46f1386122f6a2a85e043211946d0c0075df60ef53242cf759d26adc2b7161b3
sha512
720581b9138462679cbb389bfd2290afbe6c926565b090a1389f1fc6faaceb1880f311dd9ac1ca7355896bf6ed74dd73bc58cdb2e9513fcf130a8bd9933fee2b
ripemd-160
fc91fbdf7a5d1c5c184533c48f3664dec9d4334f
Diameter
256944030
Circumference
807213477.03176
Area
5.1852170964713E+16
Volume
8.8820705146149E+24
Surface area
2.0740868385885E+17
Circumference
807213477.03176
Perimeter
513888060
Area
16505058638160225
Diagonal
181686865.9984
Surface area
99030351828961350
Volume
2.1204381409376E+24
Space diagonal
222520057.33075
Perimeter
385416045
Area
7.1469000357993E+15
Altitude
111260028.66538
Surface area
7.1469000357993E+15
Volume
2.4989603142393E+23
Height
60562288.666133