128246988 is an even 9-digits composite number following 128246987
and preceding 128246989 . In scientific notation, it is written as 1.28246988 × 10^8.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 40890256 positive integers (up to 128246988) that are relatively prime to 128246988.
128246988 has 24 divisors, whose sum is 312254208
The reverse of 128246988 is 889642821
Previous prime number is 23
Is Prime? no Number parity even Number length 9 Sum of Digits 48 Digital Root 3
Name
one hundred twenty-eight million two hundred forty-six thousand nine hundred eighty-eight
Scientific notation
1.28246988 × 10^8
Engineering notation
1.28246988 × 10^6
Prime Factorization
2 × 2 × 3 × 23 × 464663
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64123494 Product of the distinct prime numbers
The prime factorization of 128246988 is 2 × 2 × 3 × 23 × 464663.
Since it has a total of 5 prime factors.
7 , 9 , 69 , 49 , 458 , 795 , 1677 , 1409 , 87652 , 88713 , 281806 , 309431 , 1840320 , 1356786 , 61328017 , 64477425 , 174290232 , 479267463 , 351179884 , 3829682429
n×2
256493976
n×3
384740964
n×4
512987952
n×5
641234940
n÷2
64123494
n÷3
42748996
n÷3
32061747
n÷5
25649397.6
n2
16447289931072144
n3
2.1093153944227E+24
n4
2.7051334607675E+32
n5
3.4692521848144E+40
2 √n11324.618669077
3 √n504.29236312542
4 √n106.41719160491
5 √n41.841710935976
1 , 2 , 3 , 4 , 6 , 12 , 23 , 46 , 69 , 92 , 138 , 276 , 464663 , 929326 , 1393989 , 1858652 , 2787978 , 5575956 , 10687249 , 21374498 , 32061747 , 42748996 , 64123494 , 128246988
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128246987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128246988 can be divided by 24 positive divisors.
The sum of these divisors (counting 128246988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001001110010011001100
3
Ternary
22221022121210110
4
Quaternary
13221032103030
5
Quinary
230312400423
6
Senary
20420440020
8
Octal
751162314
10
Decimal
128246988
12
Duodecimal
36b49010
16
Hexadecimal
7a4e4cc
20
Vigesimal
201ah98
36
Base36
24cs0c
md5
f67f4398b3b0988e384942af1f7f60c8
sha1
32467b327e3d2388ad65b828c94069cd8672868c
sha256
e403ceb6d0bfe2ab5b28c0e3f98da1493978081367452c50237c300b6a93837a
sha512
176e937c8f93719495389e2fa3e9afc6a69a00afd5c3be5f82b99b63b7d14b9cd14c6d2bc7c0b9538321ceb61aacd8d1a267708902724bfa7ec0d5158b5a3187
ripemd-160
4bbbb83dc8fd9c40abbd3f6b51537420a3758b50
Diameter
256493976
Circumference
805799590.69164
Area
5.1670685218918E+16
Volume
8.8354796629631E+24
Surface area
2.0668274087567E+17
Circumference
805799590.69164
Perimeter
512987952
Area
16447289931072144
Diagonal
181368629.7631
Surface area
98683739586432864
Volume
2.1093153944227E+24
Space diagonal
222130299.13368
Perimeter
384740964
Area
7.1218854518582E+15
Altitude
111065149.56684
Surface area
7.1218854518582E+15
Volume
2.4858520317625E+23
Height
60456209.921033