138155215 is an odd 9-digits composite number following 138155214
and preceding 138155216 . In scientific notation, it is written as 1.38155215 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 100084000 positive integers (up to 138155215) that are relatively prime to 138155215.
138155215 has 16 divisors, whose sum is 181564416
The reverse of 138155215 is 512551831
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-eight million one hundred fifty-five thousand two hundred fifteen
Scientific notation
1.38155215 × 10^8
Engineering notation
1.38155215 × 10^6
Prime Factorization
11 × 5 × 263 × 9551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138155215
Product of the distinct prime numbers
The prime factorization of 138155215 is 11 × 5 × 263 × 9551.
Since it has a total of 4 prime factors.
2 , 4 , 60 , 7 , 17 , 702 , 8998 , 4906 , 78132 , 115 , 626784 , 628110 , 6214694 , 5735071 , 64478461 , 49766493 , 302137749 , 240707391 , 598811853 , 4508916459
n×2
276310430
n×3
414465645
n×4
552620860
n×5
690776075
n÷2
69077607.5
n÷3
46051738.333333
n÷3
34538803.75
n÷5
27631043
n2
19086863431696225
n3
2.6369497210816E+24
n4
3.6430835566022E+32
n5
5.0331099202535E+40
2 √n
11753.944657008
3 √n
516.95859580352
4 √n
108.41561076251
5 √n
42.469139021374
1 , 5 , 11 , 55 , 263 , 1315 , 2893 , 9551 , 14465 , 47755 , 105061 , 525305 , 2511913 , 12559565 , 27631043 , 138155215
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
-138155214
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 138155215 can be divided by 16 positive divisors.
The sum of these divisors (counting 138155215) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001111000001010011001111
3
Ternary
100121222000022211
4
Quaternary
20033001103033
5
Quinary
240331431330
6
Senary
21413051251
8
Octal
1017012317
10
Decimal
138155215
12
Duodecimal
3a326b27
16
Hexadecimal
83c14cf
20
Vigesimal
233980f
36
Base36
2a958v
md5
b5e178b5a29568869fd9ab8958eef305
sha1
d383a01bab4b04a6b19d38ae3f3bfa708e12f405
sha256
9f51289f02bbbcf5de35b0b37570c88f35358b7316798a45d0ae0f8443b2e921
sha512
fe151b1b7bf63242394f37fa8e6215af8447495aab92aaca9746b4cee27cb4d70bc473db11c05e240bf12c2ea019c5e6be7620211205a6e646d0949848fba58f
ripemd-160
a666d46653d774463a5c5de49a68c6570397c017
Diameter
276310430
Circumference
868054816.99824
Area
5.9963149937089E+16
Volume
1.1045629162181E+25
Surface area
2.3985259974835E+17
Circumference
868054816.99824
Perimeter
552620860
Area
19086863431696225
Diagonal
195380978.76557
Surface area
114521180590177350
Volume
2.6369497210816E+24
Space diagonal
239291851.7106
Perimeter
414465645
Area
8.2648543052066E+15
Altitude
119645925.8553
Surface area
8.2648543052066E+15
Volume
3.1076750490413E+23
Height
65126992.921857