138994985 is an odd 9-digits composite number following 138994984
and preceding 138994986 . In scientific notation, it is written as 1.38994985 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 110023680 positive integers (up to 138994985) that are relatively prime to 138994985.
138994985 has 16 divisors, whose sum is 168564240
The reverse of 138994985 is 589499831
Previous prime number is 521
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred thirty-eight million nine hundred ninety-four thousand nine hundred eighty-five
Scientific notation
1.38994985 × 10^8
Engineering notation
1.38994985 × 10^6
Prime Factorization
5 × 233 × 521 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138994985
Product of the distinct prime numbers
The prime factorization of 138994985 is 5 × 233 × 521 × 229.
Since it has a total of 4 prime factors.
3 , 1 , 36 , 92 , 884 , 507 , 3870 , 9912 , 30579 , 57665 , 555386 , 470304 , 1173026 , 7069448 , 88858547 , 63865953 , 279330599 , 419976960 , 4774733608 , 3414492015
n×2
277989970
n×3
416984955
n×4
555979940
n×5
694974925
n÷2
69497492.5
n÷3
46331661.666667
n÷3
34748746.25
n÷5
27798997
n2
19319605855150225
n3
2.6853283260425E+24
n4
3.7324717039835E+32
n5
5.1879484850812E+40
2 √n
11789.613437259
3 √n
518.00391687681
4 √n
108.57998635687
5 √n
42.52064328092
1 , 5 , 229 , 233 , 521 , 1145 , 1165 , 2605 , 53357 , 119309 , 121393 , 266785 , 596545 , 606965 , 27798997 , 138994985
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
-138994984
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 138994985 can be divided by 16 positive divisors.
The sum of these divisors (counting 138994985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001110010100101001
3
Ternary
100200112200021102
4
Quaternary
20102032110221
5
Quinary
241040314420
6
Senary
21443051145
8
Octal
1022162451
10
Decimal
138994985
12
Duodecimal
3a670ab5
16
Hexadecimal
848e529
20
Vigesimal
238e795
36
Base36
2ar57t
md5
58ca5a651d86bb407d0e8cebaf7ef48e
sha1
ecf20a09cbf86341f63dba6b87c354ab9701900f
sha256
0cfeee8a7d885c7cee25b089df4a17296c359f94b80533023d1d6d4be6331a71
sha512
d04500a19b19e5deda752bd4a8c36a700c527f8a76e3382ef2c5e55c582478f64d6280ce863d5fa485b6eb2101f10da81a636dc5b0c15217a146479ad4c0992d
ripemd-160
d47eabd64ebf24e056bf237f4ae6e215d1d94f25
Diameter
277989970
Circumference
873331247.52365
Area
6.069433182479E+16
Volume
1.1248276988762E+25
Surface area
2.4277732729916E+17
Circumference
873331247.52365
Perimeter
555979940
Area
19319605855150225
Diagonal
196568592.88884
Surface area
115917635130901350
Volume
2.6853283260425E+24
Space diagonal
240746376.01727
Perimeter
416984955
Area
8.3656347308313E+15
Altitude
120373188.00864
Surface area
8.3656347308313E+15
Volume
3.1646897817616E+23
Height
65522864.296282