157419985 is an odd 9-digits composite number following 157419984
and preceding 157419986 . In scientific notation, it is written as 1.57419985 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 125736960 positive integers (up to 157419985) that are relatively prime to 157419985.
157419985 has 8 divisors, whose sum is 189202536
The reverse of 157419985 is 589914751
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred fifty-seven million four hundred nineteen thousand nine hundred eighty-five
Scientific notation
1.57419985 × 10^8
Engineering notation
1.57419985 × 10^6
Prime Factorization
5 × 641 × 49117
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157419985
Product of the distinct prime numbers
The prime factorization of 157419985 is 5 × 641 × 49117.
Since it has a total of 3 prime factors.
4 , 7 , 37 , 47 , 11 , 242 , 102 , 7751 , 83745 , 21843 , 155393 , 912731 , 3664973 , 8816000 , 45019662 , 54243591 , 118442434 , 914833600 , 9134079054 , 3460067535
n×2
314839970
n×3
472259955
n×4
629679940
n×5
787099925
n÷2
78709992.5
n÷3
52473328.333333
n÷3
39354996.25
n÷5
31483997
n2
24781051677400225
n3
3.9010327833406E+24
n4
6.1410052223798E+32
n5
9.6671694999195E+40
2 √n
12546.712119117
3 √n
539.94968095368
4 √n
112.01210702026
5 √n
43.592519785285
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
-157419984
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 157419985 can be divided by 8 positive divisors.
The sum of these divisors (counting 157419985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100000100111010001
3
Ternary
101222012202121211
4
Quaternary
21120200213101
5
Quinary
310244414420
6
Senary
23342020121
8
Octal
1130404721
10
Decimal
157419985
12
Duodecimal
44877641
16
Hexadecimal
96209d1
20
Vigesimal
293h9j5
36
Base36
2lq21d
md5
963fa7290c263ac61aecd495526911d1
sha1
f47828d0adaddfc0f16d39b4e7493e501dbed2e7
sha256
db269c627a9d66457c6374ecf40e9ce0aa2f66fb6dd0528081d2182b12e207fc
sha512
c63d3e32fec5ca28cc7bbdb4a5483e83d51da84fd49f490c95bc80decbc0efcb31f0ba77306a83c9d0dc8c63e20078e35c5d111a0b9b7384f7583927b6d315d5
ripemd-160
aa0e262f571320bb8994fa66cc93031b7ceea880
Diameter
314839970
Circumference
989098936.80843
Area
7.785196989795E+16
Volume
1.6340607911408E+25
Surface area
3.114078795918E+17
Circumference
989098936.80843
Perimeter
629679940
Area
24781051677400225
Diagonal
222625477.77557
Surface area
148686310064401350
Volume
3.9010327833406E+24
Space diagonal
272659412.14673
Perimeter
472259955
Area
1.0730510142562E+16
Altitude
136329706.07337
Surface area
1.0730510142562E+16
Volume
4.5974112245519E+23
Height
74208492.591856