154 is an even 3-digits composite number following 153
and preceding 155 . In scientific notation, it is written as 1.54 × 10^2.
The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors.
There are 60 positive integers (up to 154) that are relatively prime to 154.
154 has 8 divisors, whose sum is 288
The reverse of 154 is 451
Previous prime number is 7
Is Prime? no
Number parity even
Number length 3
Sum of Digits 10
Digital Root 1
Name
one hundred fifty-four
Scientific notation
1.54 × 10^2
Engineering notation
1.54 × 10^0
Prime Factorization
2 × 7 × 11
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
154
Product of the distinct prime numbers
The prime factorization of 154 is 2 × 7 × 11.
Since it has a total of 3 prime factors.
4 , 1 , 11 , 64 , 770 , 715 , 307 , 1934 , 7746 , 80357 , 576247 , 166823 , 9776442 , 9678243 , 5576740 , 88037610 , 949083239 , 572247725 , 3644457772 , 3722132183
n×2
308
n×3
462
n×4
616
n×5
770
n÷2
77
n÷3
51.333333333333
n÷3
38.5
n÷5
30.8
n2
23716
n3
3652264
n4
562448656
n5
86617093024
2 √n
12.409673645991
3 √n
5.3601084109654
4 √n
3.5227366699756
5 √n
2.7384457652048
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
-153
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 154 can be divided by 8 positive divisors.
The sum of these divisors (counting 154) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011010
3
Ternary
12201
4
Quaternary
2122
5
Quinary
1104
6
Senary
414
8
Octal
232
10
Decimal
154
12
Duodecimal
10a
16
Hexadecimal
9a
20
Vigesimal
7e
36
Base36
4a
md5
1d7f7abc18fcb43975065399b0d1e48e
sha1
06349be70bd2d5dd98d36b9b8dba0a057500fdac
sha256
1d0ebea552eb43d0b1e1561f6de8ae92e3de7f1abec52399244d1caed7dbdfa6
sha512
dc76224ce103959668fe797ec4184bc5605c323faa77b22ee62df9d1d139dfe6b9aa61cb42f7ee9707ae1d10143a180a8a48b012ef6d4d63f5187bd9e2b9ada9
ripemd-160
64c4161aa8bc032ea8d1070dd61986841896ee5a
Diameter
308
Circumference
967.61053730566
Area
74506.011372536
Volume
15298567.668494
Surface area
298024.04549014
Circumference
967.61053730566
Perimeter
616
Area
23716
Diagonal
217.78888860546
Surface area
142296
Volume
3652264
Space diagonal
266.73582436561
Perimeter
462
Area
10269.329238076
Altitude
133.3679121828
Surface area
10269.329238076
Volume
430423.44018058
Height
72.596296201819