154913985 is an odd 9-digits composite number following 154913984
and preceding 154913986 . In scientific notation, it is written as 1.54913985 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 82620720 positive integers (up to 154913985) that are relatively prime to 154913985.
154913985 has 8 divisors, whose sum is 211142208
The reverse of 154913985 is 589319451
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-four million nine hundred thirteen thousand nine hundred eighty-five
Scientific notation
1.54913985 × 10^8
Engineering notation
1.54913985 × 10^6
Prime Factorization
3 × 45 × 1147511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
154913985
Product of the distinct prime numbers
The prime factorization of 154913985 is 3 × 45 × 1147511.
Since it has a total of 3 prime factors.
4 , 7 , 11 , 97 , 830 , 827 , 9486 , 5666 , 93062 , 86142 , 374226 , 75490 , 400289 , 6814475 , 20246360 , 24217452 , 259484194 , 392603979 , 9821849991 , 9412286336
n×2
309827970
n×3
464741955
n×4
619655940
n×5
774569925
n÷2
77456992.5
n÷3
51637995
n÷3
38728496.25
n÷5
30982797
n2
23998342748580225
n3
3.7176789085784E+24
n4
5.7592045467833E+32
n5
8.9218132677232E+40
2 √n
12446.444673078
3 √n
537.06915248144
4 √n
111.56363508365
5 √n
43.452835872511
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
-154913984
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 154913985 can be divided by 8 positive divisors.
The sum of these divisors (counting 154913985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001110111100110011000001
3
Ternary
101210111110001000
4
Quaternary
21032330303001
5
Quinary
304124221420
6
Senary
23212202213
8
Octal
1116746301
10
Decimal
154913985
12
Duodecimal
43a69369
16
Hexadecimal
93bccc1
20
Vigesimal
28844j5
36
Base36
2k8ce9
md5
d6d1f1fefc7aed67a5b30a508a41efc0
sha1
edf9bfc434464083d86b0a2229fb073781b5a80b
sha256
6d1284364f2f1721949d415948146cbaac2e689b90d4b22aea576005ee05f8f0
sha512
79564ea0c869c33605eb16c864eff0d4c586319537f1f821bd8e5d2ae932df158dbc15876ed17a8c096623c5ca6de489fc924377dc6eec29a5c7b913dd1c0e02
ripemd-160
761565d4a262488e0000c9598593771c0189265b
Diameter
309827970
Circumference
973353274.42864
Area
7.539301727727E+16
Volume
1.5572576996794E+25
Surface area
3.0157206910908E+17
Circumference
973353274.42864
Perimeter
619655940
Area
23998342748580225
Diagonal
219081458.58826
Surface area
143990056491481350
Volume
3.7176789085784E+24
Space diagonal
268318892.82296
Perimeter
464741955
Area
1.0391587234498E+16
Altitude
134159446.41148
Surface area
1.0391587234498E+16
Volume
4.3813266108833E+23
Height
73027152.862754