155115420 is an even 9-digits composite number following 155115419
and preceding 155115421 . In scientific notation, it is written as 1.55115420 × 10^8.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 41290816 positive integers (up to 155115420) that are relatively prime to 155115420.
155115420 has 24 divisors, whose sum is 290062080
The reverse of 155115420 is 024511551
Previous prime number is 3923
Is Prime? no
Number parity even
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred fifty-five million one hundred fifteen thousand four hundred twenty
Scientific notation
1.55115420 × 10^8
Engineering notation
1.55115420 × 10^6
Prime Factorization
2 × 2 × 15 × 3923 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
77557710
Product of the distinct prime numbers
The prime factorization of 155115420 is 2 × 2 × 15 × 3923 × 659.
Since it has a total of 5 prime factors.
1 , 9 , 76 , 78 , 597 , 500 , 7431 , 4712 , 80455 , 53158 , 958694 , 406581 , 5661501 , 8761277 , 96184701 , 72318632 , 270757638 , 830951995 , 7460090901 , 3918494570
n×2
310230840
n×3
465346260
n×4
620461680
n×5
775577100
n÷2
77557710
n÷3
51705140
n÷3
38778855
n÷5
31023084
n2
24060793521776400
n3
3.7322000926636E+24
n4
5.7892178489756E+32
n5
8.9799695811534E+40
2 √n
12454.534114129
3 √n
537.30183572975
4 √n
111.59988402381
5 √n
43.464130363405
1 , 2 , 4 , 15 , 30 , 60 , 659 , 1318 , 2636 , 3923 , 7846 , 9885 , 15692 , 19770 , 39540 , 58845 , 117690 , 235380 , 2585257 , 5170514 , 10341028 , 38778855 , 77557710 , 155115420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155115419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155115420 can be divided by 24 positive divisors.
The sum of these divisors (counting 155115420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001001111101101111110011100
3
Ternary
101210212200100120
4
Quaternary
21033231332130
5
Quinary
304202143140
6
Senary
23220354540
8
Octal
1117557634
10
Decimal
155115420
12
Duodecimal
43b45a50
16
Hexadecimal
93edf9c
20
Vigesimal
28998b0
36
Base36
2kcnto
md5
f63516f0434474bb249c729ec7b9eb44
sha1
32990cb706726d9bcdec6dc491268efe07f005ae
sha256
945030e05aacd54811ba1fe8415f08e4aacd1c11abd3b6e07ac5c17b12c5ff14
sha512
c1691c4967d5f25f5f6e2c83545befbfe5fe9d393709b82913b5fb9718f7d73424d5bf2c984b207e772affd3716e1e70742f064970fe6ebbc49ff48a1958ee9c
ripemd-160
2584d400a107f6573c338e62d5f00d305c97cb74
Diameter
310230840
Circumference
974618927.86099
Area
7.5589212167554E+16
Volume
1.5633403190452E+25
Surface area
3.0235684867021E+17
Circumference
974618927.86099
Perimeter
620461680
Area
24060793521776400
Diagonal
219366330.6972
Surface area
144364761130658400
Volume
3.7322000926636E+24
Space diagonal
268667788.47739
Perimeter
465346260
Area
1.0418629212535E+16
Altitude
134333894.23869
Surface area
1.0418629212535E+16
Volume
4.3984399904459E+23
Height
73122110.2324