138049781 is an odd 9-digits prime number following 138049780
and preceding 138049782 . In scientific notation, it is written as 1.38049781 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 138049780 positive integers (up to 138049781) that are relatively prime to 138049781.
138049781 has 2 divisors, whose sum is 138049782
The reverse of 138049781 is 187940831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million forty-nine thousand seven hundred eighty-one
Scientific notation
1.38049781 × 10^8
Engineering notation
1.38049781 × 10^6
Prime Factorization
138049781
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
138049781
Product of the distinct prime numbers
The prime factorization of 138049781 is 138049781.
Since it has a total of 1 prime factors.
7 , 3 , 38 , 12 , 337 , 605 , 7622 , 202 , 2681 , 15861 , 7641 , 549392 , 7656644 , 2175344 , 3716216 , 3433677 , 221967919 , 988409117 , 1385791149 , 6039576135
n×2
276099562
n×3
414149343
n×4
552199124
n×5
690248905
n÷2
69024890.5
n÷3
46016593.666667
n÷3
34512445.25
n÷5
27609956.2
n2
19057742034147961
n3
2.6309171141686E+24
n4
3.6319753144013E+32
n5
5.0139339675051E+40
2 √n
11749.458753492
3 √n
516.82705562786
4 √n
108.39492033067
5 √n
42.462654924917
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
138049782
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
69024891
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11749.458796047
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999855125
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138049781 can be divided by 2 positive divisors.
The sum of these divisors (counting 138049781) is 138049782, the average is 69024891.
Base
System
Value
2
Binary
1000001110100111100011110101
3
Ternary
100121202122200212
4
Quaternary
20032213203311
5
Quinary
240320043111
6
Senary
21410515205
8
Octal
1016474365
10
Decimal
138049781
12
Duodecimal
3a295b05
16
Hexadecimal
83a78f5
20
Vigesimal
232g491
36
Base36
2a6vw5
md5
1ec9a2be2eb4e1e8fe47f86561580f97
sha1
f600de3f181c1cf5b82ae0bd8012c6017d8aa139
sha256
4cf8edacf1900a0853ec6bde9b37950e8298e244ed9cb93d5d90802d01968cc8
sha512
827f909c3c11bb6730f389312ac17efdc58fdace34601f45af109fe938979ce6868ed18478c4384f16538deaaa91e76c3f8298534698e910b406b8adae06620c
ripemd-160
9d15f36d6d3485a8dc0536e9b86cf9fdd5468c97
Diameter
276099562
Circumference
867392355.63856
Area
5.9871662368489E+16
Volume
1.1020359837434E+25
Surface area
2.3948664947395E+17
Circumference
867392355.63856
Perimeter
552199124
Area
19057742034147961
Diagonal
195231872.57284
Surface area
114346452204887766
Volume
2.6309171141686E+24
Space diagonal
239109234.66576
Perimeter
414149343
Area
8.2522443701713E+15
Altitude
119554617.33288
Surface area
8.2522443701713E+15
Volume
3.100565553614E+23
Height
65077290.857612