988890981 is an odd 9-digits composite number following 988890980
and preceding 988890982 . In scientific notation, it is written as 9.88890981 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 587563200 positive integers (up to 988890981) that are relatively prime to 988890981.
988890981 has 16 divisors, whose sum is 1468911360
The reverse of 988890981 is 189098889
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
nine hundred eighty-eight million eight hundred ninety thousand nine hundred eighty-one
Scientific notation
9.88890981 × 10^8
Engineering notation
9.88890981 × 10^6
Prime Factorization
13 × 3 × 29 × 874351
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
988890981
Product of the distinct prime numbers
The prime factorization of 988890981 is 13 × 3 × 29 × 874351.
Since it has a total of 4 prime factors.
8 , 4 , 29 , 35 , 977 , 61 , 7280 , 3863 , 33760 , 20344 , 235976 , 77750 , 1932371 , 7641976 , 69380861 , 17873698 , 531316660 , 595664794 , 7955838746 , 4245952722
n×2
1977781962
n×3
2966672943
n×4
3955563924
n×5
4944454905
n÷2
494445490.5
n÷3
329630327
n÷3
247222745.25
n÷5
197778196.2
n2
977905372303142361
n3
9.6704180294202E+26
n4
9.5629891717935E+35
n5
9.4567537433872E+44
2 √n
31446.637038005
3 √n
996.28319615124
4 √n
177.331996656
5 √n
62.954920987693
1 , 3 , 13 , 29 , 39 , 87 , 377 , 1131 , 874351 , 2623053 , 11366563 , 25356179 , 34099689 , 76068537 , 329630327 , 988890981
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
-988890980
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 988890981 can be divided by 16 positive divisors.
The sum of these divisors (counting 988890981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111100010100011101100101
3
Ternary
2112220202212101220
4
Quaternary
322330110131211
5
Quinary
4011124002411
6
Senary
242043210553
8
Octal
7274243545
10
Decimal
988890981
12
Duodecimal
237216a59
16
Hexadecimal
3af14765
20
Vigesimal
f90b791
36
Base36
gcrd5x
md5
1dc5c139df387c70038ed05841463929
sha1
5ed344fb3132385597a1b8b41d3868895cb87835
sha256
1ee94a34a0dacbc8e9f7cd0d50c4207eb2699914592c125c44add7cf0efabbe9
sha512
16dd24db23c0138a3fbae42436fb8c8d14b8a1e4b150448def3ac45b1c2934f91905ee0203e27dfea1f27ed172251ad94a8a7c3fb066eda0337a6f0fe12c8a90
ripemd-160
29ab25eaed85808bcd4b0b69279bd140fbc81251
Diameter
1977781962
Circumference
6213385282.2216
Area
3.0721803335335E+18
Volume
4.0507352317825E+27
Surface area
1.2288721334134E+19
Circumference
6213385282.2216
Perimeter
3955563924
Area
977905372303142361
Diagonal
1398503037.0386
Surface area
5867432233818854166
Volume
9.6704180294202E+26
Space diagonal
1712809422.2386
Perimeter
2966672943
Area
4.234454474559E+17
Altitude
856404711.11931
Surface area
4.234454474559E+17
Volume
1.139669694252E+26
Height
466167679.01288