145718985 is an odd 9-digits composite number following 145718984
and preceding 145718986 . In scientific notation, it is written as 1.45718985 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 72931328 positive integers (up to 145718985) that are relatively prime to 145718985.
145718985 has 16 divisors, whose sum is 165058560
The reverse of 145718985 is 589817541
Previous prime number is 479
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred forty-five million seven hundred eighteen thousand nine hundred eighty-five
Scientific notation
1.45718985 × 10^8
Engineering notation
1.45718985 × 10^6
Prime Factorization
15 × 17 × 479 × 1193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
145718985
Product of the distinct prime numbers
The prime factorization of 145718985 is 15 × 17 × 479 × 1193.
Since it has a total of 4 prime factors.
10 , 1 , 38 , 69 , 617 , 161 , 945 , 9460 , 18920 , 50328 , 666160 , 707941 , 2459901 , 1843896 , 73293401 , 18799596 , 251638708 , 680088142 , 4202921940 , 9541137487
n×2
291437970
n×3
437156955
n×4
582875940
n×5
728594925
n÷2
72859492.5
n÷3
48572995
n÷3
36429746.25
n÷5
29143797
n2
21234022589430225
n3
3.0942002191988E+24
n4
4.5088371532843E+32
n5
6.5702317350688E+40
2 √n
12071.411889253
3 √n
526.22568950913
4 √n
109.86997719693
5 √n
42.924300592183
1 , 15 , 17 , 255 , 479 , 1193 , 7185 , 8143 , 17895 , 20281 , 122145 , 304215 , 571447 , 8571705 , 9714599 , 145718985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145718984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145718985 can be divided by 16 positive divisors.
The sum of these divisors (counting 145718985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101011110111111011001001
3
Ternary
101011012021212110
4
Quaternary
20223313323021
5
Quinary
244301001420
6
Senary
22243132533
8
Octal
1053677311
10
Decimal
145718985
12
Duodecimal
40974149
16
Hexadecimal
8af7ec9
20
Vigesimal
25aeh95
36
Base36
2er9hl
md5
1ec6c89700b4c447993423b2ce25390e
sha1
c1ceebcc43e2fb0a606ea90fa16dc28ee4c8f051
sha256
49aa41f942cf41e6e49ab6cfd4927d7aa98b6a23707277db4727355cbb92e1ae
sha512
9f221960a89d9595bfca6328dca9107f100e8d9f9e69bab9c910bbcbc7786f535a9f072baa0afe13525bc555b1bd6d3700a7c0d0b0b1d00e6f4d64d2e3d1856d
ripemd-160
19a3e1183595149ed885d82c43991dbf6256509a
Diameter
291437970
Circumference
915579385.52912
Area
6.6708649373114E+16
Volume
1.2960955569828E+25
Surface area
2.6683459749245E+17
Circumference
915579385.52912
Perimeter
582875940
Area
21234022589430225
Diagonal
206077764.88224
Surface area
127404135536581350
Volume
3.0942002191988E+24
Space diagonal
252392685.64737
Perimeter
437156955
Area
9.1946014934896E+15
Altitude
126196342.82368
Surface area
9.1946014934896E+15
Volume
3.6465499289073E+23
Height
68692588.294081