138889785 is an odd 9-digits composite number following 138889784
and preceding 138889786 . In scientific notation, it is written as 1.38889785 × 10^8.
The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors.
There are 72027648 positive integers (up to 138889785) that are relatively prime to 138889785.
138889785 has 32 divisors, whose sum is 228412800
The reverse of 138889785 is 587988831
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred thirty-eight million eight hundred eighty-nine thousand seven hundred eighty-five
Scientific notation
1.38889785 × 10^8
Engineering notation
1.38889785 × 10^6
Prime Factorization
5 × 3 × 43 × 349 × 617
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
138889785
Product of the distinct prime numbers
The prime factorization of 138889785 is 5 × 3 × 43 × 349 × 617.
Since it has a total of 5 prime factors.
10 , 5 , 21 , 79 , 434 , 617 , 4526 , 668 , 57540 , 91939 , 543216 , 364437 , 751640 , 8345969 , 61056887 , 81603424 , 618521599 , 267200525 , 4999317393 , 6775532244
n×2
277779570
n×3
416669355
n×4
555559140
n×5
694448925
n÷2
69444892.5
n÷3
46296595
n÷3
34722446.25
n÷5
27777957
n2
19290372377346225
n3
2.6792356720596E+24
n4
3.7211846645668E+32
n5
5.1683453800698E+40
2 √n
11785.151038489
3 √n
517.87319809348
4 √n
108.5594355111
5 √n
42.514204880977
1 , 3 , 5 , 15 , 43 , 129 , 215 , 349 , 617 , 645 , 1047 , 1745 , 1851 , 3085 , 5235 , 9255 , 15007 , 26531 , 45021 , 75035 , 79593 , 132655 , 215333 , 225105 , 397965 , 645999 , 1076665 , 3229995 , 9259319 , 27777957 , 46296595 , 138889785
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138889784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138889785 can be divided by 32 positive divisors.
The sum of these divisors (counting 138889785) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000010001110100101000111001
3
Ternary
100200100022222010
4
Quaternary
20101310220321
5
Quinary
241023433120
6
Senary
21440520133
8
Octal
1021645071
10
Decimal
138889785
12
Duodecimal
3a620049
16
Hexadecimal
8474a39
20
Vigesimal
2381495
36
Base36
2aow1l
md5
1abcca082b928a6f9173463affe2476a
sha1
9c6fbd8dd3145fdf3a5ec6a6d16ea5c7f65e4de5
sha256
8420875de4bf2822b16e883c372809ebc29e7b79fce673272eb02f0b4de45856
sha512
df482cccee43f7990c86e739cbdf652957918ac4cf60d967d801bfb8c35aa678bd33bdb429d801f4957e83133330d46cf2fd26b43867bed6a38042c8881c0924
ripemd-160
693566065c995209a4aa50ded7644823c8e5396c
Diameter
277779570
Circumference
872670256.42933
Area
6.0602492145682E+16
Volume
1.1222756139437E+25
Surface area
2.4240996858273E+17
Circumference
872670256.42933
Perimeter
555559140
Area
19290372377346225
Diagonal
196419817.62208
Surface area
115742234264077350
Volume
2.6792356720596E+24
Space diagonal
240564164.27232
Perimeter
416669355
Area
8.3529762636217E+15
Altitude
120282082.13616
Surface area
8.3529762636217E+15
Volume
3.1575095201837E+23
Height
65473272.540694