155164021 is an odd 9-digits composite number following 155164020
and preceding 155164022 . In scientific notation, it is written as 1.55164021 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 150157800 positive integers (up to 155164021) that are relatively prime to 155164021.
155164021 has 6 divisors, whose sum is 160331766
The reverse of 155164021 is 120461551
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred fifty-five million one hundred sixty-four thousand twenty-one
Scientific notation
1.55164021 × 10^8
Engineering notation
1.55164021 × 10^6
Prime Factorization
31 × 31 × 161461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
5005291
Product of the distinct prime numbers
The prime factorization of 155164021 is 31 × 31 × 161461.
Since it has a total of 3 prime factors.
5 , 10 , 54 , 95 , 996 , 420 , 8617 , 3558 , 24891 , 82321 , 17414 , 446122 , 8754064 , 2436627 , 41251898 , 80717225 , 832563917 , 854666006 , 4898667408 , 428931252
n×2
310328042
n×3
465492063
n×4
620656084
n×5
775820105
n÷2
77582010.5
n÷3
51721340.333333
n÷3
38791005.25
n÷5
31032804.2
n2
24075873412888441
n3
3.7357093278308E+24
n4
5.7964768059343E+32
n5
8.99404648842E+40
2 √n
12456.485098133
3 √n
537.35794594689
4 √n
111.60862465837
5 √n
43.466853671643
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155164020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155164021 can be divided by 6 positive divisors.
The sum of these divisors (counting 155164021) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001001111111001110101110101
3
Ternary
101210222011000121
4
Quaternary
21033321311311
5
Quinary
304210222041
6
Senary
23221411541
8
Octal
1117716565
10
Decimal
155164021
12
Duodecimal
43b69bb1
16
Hexadecimal
93f9d75
20
Vigesimal
289fa11
36
Base36
2kdpbp
md5
a1d1e6364a0faa1c518e43157091ea90
sha1
cbcd9c2dbfa8122eb1732069db251782f07eb69f
sha256
c14cf898d41fe8e1fb645163b21fd74e40e24bfcb3214e91c3db6aad52c035e9
sha512
2dc6915abb9e109a1ca0670bf872066a5d63e2814ad4def4ab689853d6a4183eb44d20e69d445f6462bde87d77b1580d8e0af549f00c795acd12574064333569
ripemd-160
448e643fb1e5754cf422edf3015b02727194d65d
Diameter
310328042
Circumference
974924296.9501
Area
7.5636587042688E+16
Volume
1.5648102640347E+25
Surface area
3.0254634817075E+17
Circumference
974924296.9501
Perimeter
620656084
Area
24075873412888441
Diagonal
219435062.89054
Surface area
144455240477330646
Volume
3.7357093278308E+24
Space diagonal
268751967.87868
Perimeter
465492063
Area
1.042515899693E+16
Altitude
134375983.93934
Surface area
1.042515899693E+16
Volume
4.4025756637516E+23
Height
73145020.963515