128549772 is an even 9-digits composite number following 128549771
and preceding 128549773 . In scientific notation, it is written as 1.28549772 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 39553632 positive integers (up to 128549772) that are relatively prime to 128549772.
128549772 has 12 divisors, whose sum is 226885680
The reverse of 128549772 is 277945821
Previous prime number is 117
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million five hundred forty-nine thousand seven hundred seventy-two
Scientific notation
1.28549772 × 10^8
Engineering notation
1.28549772 × 10^6
Prime Factorization
2 × 2 × 117 × 274679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64274886
Product of the distinct prime numbers
The prime factorization of 128549772 is 2 × 2 × 117 × 274679.
Since it has a total of 4 prime factors.
3 , 5 , 24 , 97 , 360 , 21 , 7858 , 1736 , 59992 , 26631 , 266169 , 485030 , 3615665 , 5214532 , 50472496 , 42299383 , 78631673 , 981873544 , 8169929433 , 2856283013
n×2
257099544
n×3
385649316
n×4
514199088
n×5
642748860
n÷2
64274886
n÷3
42849924
n÷3
32137443
n÷5
25709954.4
n2
16525043881251984
n3
2.1242906232249E+24
n4
2.730770752773E+32
n5
3.5103995765324E+40
2 √n
11337.979185022
3 √n
504.68891993901
4 √n
106.47994733762
5 √n
41.861449494206
1 , 2 , 4 , 117 , 234 , 468 , 274679 , 549358 , 1098716 , 32137443 , 64274886 , 128549772
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
-128549771
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 128549772 can be divided by 12 positive divisors.
The sum of these divisors (counting 128549772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010011000001110001100
3
Ternary
22221220000010200
4
Quaternary
13222120032030
5
Quinary
230402043042
6
Senary
20431133500
8
Octal
752301614
10
Decimal
128549772
12
Duodecimal
37074290
16
Hexadecimal
7a9838c
20
Vigesimal
2038e8c
36
Base36
24j9n0
md5
6b365fa91a4b7359e846750e3913b4d0
sha1
6124c1ab3b7eccd51e604d990091d4db8d1345e9
sha256
9cfa5c2b41b5a8897db1d2f1985dba816c8800d700deed67b7e889578ea01ddf
sha512
f88c360bc0526389749e759d0442268e6aa1def14fc309dad90531fffc5438f265c5b5f0bd8474fa8b3bdc61cd742a0981a54997fe931f3c9d78d8b0e2830afb
ripemd-160
f1465e8f52b19a58e305c473bda5a919ae1a673e
Diameter
257099544
Circumference
807702038.67169
Area
5.191495645759E+16
Volume
8.8982077546842E+24
Surface area
2.0765982583036E+17
Circumference
807702038.67169
Perimeter
514199088
Area
16525043881251984
Diagonal
181796831.00237
Surface area
99150263287511904
Volume
2.1242906232249E+24
Space diagonal
222654736.4054
Perimeter
385649316
Area
7.1555538999084E+15
Altitude
111327368.2027
Surface area
7.1555538999084E+15
Volume
2.5035005081556E+23
Height
60598943.667456