138216961 is an odd 9-digits composite number following 138216960
and preceding 138216962 . In scientific notation, it is written as 1.38216961 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 137596932 positive integers (up to 138216961) that are relatively prime to 138216961.
138216961 has 4 divisors, whose sum is 138836992
The reverse of 138216961 is 169612831
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred thirty-eight million two hundred sixteen thousand nine hundred sixty-one
Scientific notation
1.38216961 × 10^8
Engineering notation
1.38216961 × 10^6
Prime Factorization
223 × 619807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138216961
Product of the distinct prime numbers
The prime factorization of 138216961 is 223 × 619807.
Since it has a total of 2 prime factors.
8 , 7 , 71 , 86 , 744 , 726 , 1558 , 54 , 98601 , 9965 , 115935 , 202132 , 5131193 , 3629495 , 80718676 , 43608979 , 89563745 , 711438281 , 6439052275 , 8086333326
n×2
276433922
n×3
414650883
n×4
552867844
n×5
691084805
n÷2
69108480.5
n÷3
46072320.333333
n÷3
34554240.25
n÷5
27643392.2
n2
19103928308075521
n3
2.6404869139041E+24
n4
3.6496007680009E+32
n5
5.0443672701635E+40
2 √n
11756.570971163
3 √n
517.03559946268
4 √n
108.42772233688
5 √n
42.47293450718
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138216960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138216961 can be divided by 4 positive divisors.
The sum of these divisors (counting 138216961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111010000011000000001
3
Ternary
100122002011000201
4
Quaternary
20033100120001
5
Quinary
240340420321
6
Senary
21414245201
8
Octal
1017203001
10
Decimal
138216961
12
Duodecimal
3a356801
16
Hexadecimal
83d0601
20
Vigesimal
233h281
36
Base36
2aagw1
md5
41e97209bf9f0ac8fe4e6998696564e9
sha1
11d0d488ce9d98088c3fac068d7599f87f77dbde
sha256
cd4342b7b86e43a44419efafc31f2f3ca7f9def6a1bdaa5a88e9dbae87f9cb60
sha512
006287521ab2ced825924a1980e2d4454aac5ec9a4661ba4423eb74555baa8e68aecc3b3b42f22b03ed6f355d4b1bf49dfa204133a870a997bc71f1ddee28a55
ripemd-160
74c5906b44d661b6f78feac9b5cd29fc7d3a0c68
Diameter
276433922
Circumference
868442778.55821
Area
6.0016760827356E+16
Volume
1.1060445720828E+25
Surface area
2.4006704330942E+17
Circumference
868442778.55821
Perimeter
552867844
Area
19103928308075521
Diagonal
195468300.79619
Surface area
114623569848453126
Volume
2.6404869139041E+24
Space diagonal
239398798.91977
Perimeter
414650883
Area
8.272243613435E+15
Altitude
119699399.45988
Surface area
8.272243613435E+15
Volume
3.1118436707598E+23
Height
65156100.265398