128961589 is an odd 9-digits composite number following 128961588
and preceding 128961590 . In scientific notation, it is written as 1.28961589 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 127820224 positive integers (up to 128961589) that are relatively prime to 128961589.
128961589 has 4 divisors, whose sum is 130102956
The reverse of 128961589 is 985169821
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-eight million nine hundred sixty-one thousand five hundred eighty-nine
Scientific notation
1.28961589 × 10^8
Engineering notation
1.28961589 × 10^6
Prime Factorization
113 × 1141253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128961589
Product of the distinct prime numbers
The prime factorization of 128961589 is 113 × 1141253.
Since it has a total of 2 prime factors.
7 , 8 , 76 , 42 , 665 , 60 , 1501 , 2989 , 49953 , 16147 , 573711 , 240662 , 5610065 , 9623352 , 97313571 , 66751584 , 662353968 , 83078409 , 2125929784 , 381123293
n×2
257923178
n×3
386884767
n×4
515846356
n×5
644807945
n÷2
64480794.5
n÷3
42987196.333333
n÷3
32240397.25
n÷5
25792317.8
n2
16631091437404921
n3
2.144771978572E+24
n4
2.7659320239932E+32
n5
3.5669898888015E+40
2 √n
11356.125615719
3 √n
505.22727932501
4 √n
106.56512382445
5 √n
41.888236329909
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128961588
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128961589 can be divided by 4 positive divisors.
The sum of these divisors (counting 128961589) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011111100110000110101
3
Ternary
22222122221001011
4
Quaternary
13223330300311
5
Quinary
231003232324
6
Senary
20444032221
8
Octal
753746065
10
Decimal
128961589
12
Duodecimal
37232671
16
Hexadecimal
7afcc35
20
Vigesimal
20603j9
36
Base36
24s3ed
md5
72418430b1c176e49660f97ffd2bc85a
sha1
861427bd5ecf7377a09fdc4451716d936528f0dd
sha256
ba05797f5578dd9e4796af03d1494497e5b21d391a5016af64576d0f3da81385
sha512
c6904dd4186349807f57e46a846cbcc84b81fd297ba85d19bf81f0fb5e0ba27304dc9865c78119b37b5604c40b3343add4e24555cc7dd9299f7830ac7d19173f
ripemd-160
51b460300877e654473c3e3c3aa2829ccce993d0
Diameter
257923178
Circumference
810289561.19533
Area
5.2248114680931E+16
Volume
8.9839998553429E+24
Surface area
2.0899245872373E+17
Circumference
810289561.19533
Perimeter
515846356
Area
16631091437404921
Diagonal
182379228.18898
Surface area
99786548624429526
Volume
2.144771978572E+24
Space diagonal
223368024.37282
Perimeter
386884767
Area
7.2014738387273E+15
Altitude
111684012.18641
Surface area
7.2014738387273E+15
Volume
2.527638016912E+23
Height
60793076.062995