155129620 is an even 9-digits composite number following 155129619
and preceding 155129621 . In scientific notation, it is written as 1.55129620 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 61735296 positive integers (up to 155129620) that are relatively prime to 155129620.
155129620 has 24 divisors, whose sum is 327434184
The reverse of 155129620 is 026921551
Previous prime number is 197
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-five million one hundred twenty-nine thousand six hundred twenty
Scientific notation
1.55129620 × 10^8
Engineering notation
1.55129620 × 10^6
Prime Factorization
2 × 2 × 5 × 197 × 39373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
77564810
Product of the distinct prime numbers
The prime factorization of 155129620 is 2 × 2 × 5 × 197 × 39373.
Since it has a total of 5 prime factors.
4 , 10 , 58 , 98 , 218 , 259 , 7266 , 1543 , 77424 , 4988 , 107663 , 121139 , 1109889 , 9994187 , 71483551 , 15207091 , 490647929 , 30519025 , 7939101098 , 7557784816
n×2
310259240
n×3
465388860
n×4
620518480
n×5
775648100
n÷2
77564810
n÷3
51709873.333333
n÷3
38782405
n÷5
31025924
n2
24065199001344400
n3
3.7332251763029E+24
n4
5.7913380297431E+32
n5
8.9840806784559E+40
2 √n
12455.104174594
3 √n
537.31823094749
4 √n
111.60243803159
5 √n
43.464926116725
1 , 2 , 4 , 5 , 10 , 20 , 197 , 394 , 788 , 985 , 1970 , 3940 , 39373 , 78746 , 157492 , 196865 , 393730 , 787460 , 7756481 , 15512962 , 31025924 , 38782405 , 77564810 , 155129620
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
-155129619
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 155129620 can be divided by 24 positive divisors.
The sum of these divisors (counting 155129620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001001111110001011100010100
3
Ternary
101210220101211111
4
Quaternary
21033301130110
5
Quinary
304203121440
6
Senary
23220544404
8
Octal
1117613424
10
Decimal
155129620
12
Duodecimal
43b52104
16
Hexadecimal
93f1714
20
Vigesimal
289b410
36
Base36
2kcys4
md5
65681e0dbbcc1dcf0e0c7e8c78e9b180
sha1
213a3966410835ab57c2ba466ef64f949f3c94bb
sha256
4cec280473b69df47dfa936d8434509b08261ebe4c6c80bfa0b6d85b45e4e2df
sha512
b6e74eff0c4241b250b9226c1a838441a08f6733723f14159532ab5e1a0e351f95dac52120e3581fbbd5dd32b1ceae56c5f39b33a7abfaf1bec623b2e4709dfb
ripemd-160
f30b37f10ef60d8cc2637c02aa09e50d06ed093d
Diameter
310259240
Circumference
974708149.09235
Area
7.56030523898E+16
Volume
1.563769705076E+25
Surface area
3.024122095592E+17
Circumference
974708149.09235
Perimeter
620518480
Area
24065199001344400
Diagonal
219386412.52978
Surface area
144391194008066400
Volume
3.7332251763029E+24
Space diagonal
268692383.59885
Perimeter
465388860
Area
1.0420536841146E+16
Altitude
134346191.79943
Surface area
1.0420536841146E+16
Volume
4.3996480631003E+23
Height
73128804.176595