157420145 is an odd 9-digits composite number following 157420144
and preceding 157420146 . In scientific notation, it is written as 1.57420145 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 125466880 positive integers (up to 157420145) that are relatively prime to 157420145.
157420145 has 8 divisors, whose sum is 189608040
The reverse of 157420145 is 541024751
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred fifty-seven million four hundred twenty thousand one hundred forty-five
Scientific notation
1.57420145 × 10^8
Engineering notation
1.57420145 × 10^6
Prime Factorization
5 × 269 × 117041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157420145
Product of the distinct prime numbers
The prime factorization of 157420145 is 5 × 269 × 117041.
Since it has a total of 3 prime factors.
2 , 4 , 5 , 45 , 982 , 583 , 9381 , 7756 , 40497 , 11983 , 42303 , 978910 , 9103864 , 748710 , 88994944 , 9281983 , 909689936 , 793205640 , 9472482862 , 5366293143
n×2
314840290
n×3
472260435
n×4
629680580
n×5
787100725
n÷2
78710072.5
n÷3
52473381.666667
n÷3
39355036.25
n÷5
31484029
n2
24781102051821025
n3
3.9010446782575E+24
n4
6.1410301890277E+32
n5
9.6672186280612E+40
2 √n
12546.718495288
3 √n
539.94986388665
4 √n
112.01213548222
5 √n
43.592528646676
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157420144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157420145 can be divided by 8 positive divisors.
The sum of these divisors (counting 157420145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100000101001110001
3
Ternary
101222012202211202
4
Quaternary
21120200221301
5
Quinary
310244421040
6
Senary
23342020545
8
Octal
1130405161
10
Decimal
157420145
12
Duodecimal
44877755
16
Hexadecimal
9620a71
20
Vigesimal
293ha75
36
Base36
2lq25t
md5
e9cdcb29c60a8dda6664f7ad77f2afc7
sha1
a63622f8c08c5adb97277194d972b4cc7413c4f4
sha256
1ed77069705395b39003e887500f8f10cc63e262f899425d18d082d516b75350
sha512
da9ccd776354ab6cb287a88a631dc2e537fb803071c5c3532028afca1a3638309beee580d2e3def668ce7f4cdb0597d29f9e77c39620b5fcc449e2902ea9c60c
ripemd-160
bee54990d532017a1dab5029f715e6f4afb86292
Diameter
314840290
Circumference
989099942.11808
Area
7.785212815386E+16
Volume
1.6340657736719E+25
Surface area
3.1140851261544E+17
Circumference
989099942.11808
Perimeter
629680580
Area
24781102051821025
Diagonal
222625704.04974
Surface area
148686612310926150
Volume
3.9010446782575E+24
Space diagonal
272659689.27486
Perimeter
472260435
Area
1.0730531955326E+16
Altitude
136329844.63743
Surface area
1.0730531955326E+16
Volume
4.5974252428459E+23
Height
74208568.01658