157445894 is an even 9-digits composite number following 157445893
and preceding 157445895 . In scientific notation, it is written as 1.57445894 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 72974304 positive integers (up to 157445894) that are relatively prime to 157445894.
157445894 has 32 divisors, whose sum is 254016000
The reverse of 157445894 is 498544751
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred fifty-seven million four hundred forty-five thousand eight hundred ninety-four
Scientific notation
1.57445894 × 10^8
Engineering notation
1.57445894 × 10^6
Prime Factorization
2 × 19 × 79 × 179 × 293
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
157445894
Product of the distinct prime numbers
The prime factorization of 157445894 is 2 × 19 × 79 × 179 × 293.
Since it has a total of 5 prime factors.
9 , 9 , 73 , 50 , 285 , 766 , 8456 , 7355 , 24243 , 41323 , 505476 , 805583 , 402862 , 926450 , 58544156 , 34675480 , 559111857 , 66702419 , 7836672399 , 3335521611
n×2
314891788
n×3
472337682
n×4
629783576
n×5
787229470
n÷2
78722947
n÷3
52481964.666667
n÷3
39361473.5
n÷5
31489178.8
n2
24789209537459236
n3
3.9029592571786E+24
n4
6.1450490949206E+32
n5
9.6751274842366E+40
2 √n
12547.74457821
3 √n
539.97930190442
4 √n
112.01671561963
5 √n
43.59395462756
1 , 2 , 19 , 38 , 79 , 158 , 179 , 293 , 358 , 586 , 1501 , 3002 , 3401 , 5567 , 6802 , 11134 , 14141 , 23147 , 28282 , 46294 , 52447 , 104894 , 268679 , 439793 , 537358 , 879586 , 996493 , 1992986 , 4143313 , 8286626 , 78722947 , 157445894
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157445893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157445894 can be divided by 32 positive divisors.
The sum of these divisors (counting 157445894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011000100110111100000110
3
Ternary
101222021002011102
4
Quaternary
21120212330012
5
Quinary
310301232034
6
Senary
23342340102
8
Octal
1130467406
10
Decimal
157445894
12
Duodecimal
4488a632
16
Hexadecimal
9626f06
20
Vigesimal
2940eee
36
Base36
2lqm12
md5
8851cb9739e93c19da8d231a8fff47cd
sha1
95a0e7d2d5e6b636a2d2db56bc33ad7089681c11
sha256
507f7a95e7790f75fce6c78272a75e324c5535f47558d9a6acfc360ee9ca5a6f
sha512
10c0cd91ac7b338f66272d797c431b61e3ab0e997bc429fa452d01b8f88c057a13adbaeeaa1c1877bb1ffdb45b42c2ebbed2984561da7a4cf7e0687f0db8701e
ripemd-160
c770c1b30d4aac9b44faaf547dfef5599c85268d
Diameter
314891788
Circumference
989261727.85655
Area
7.787759857118E+16
Volume
1.634867750615E+25
Surface area
3.1151039428472E+17
Circumference
989261727.85655
Perimeter
629783576
Area
24789209537459236
Diagonal
222662118.63476
Surface area
148735257224755416
Volume
3.9029592571786E+24
Space diagonal
272704287.8511
Perimeter
472337682
Area
1.0734042599588E+16
Altitude
136352143.92555
Surface area
1.0734042599588E+16
Volume
4.599681595743E+23
Height
74220706.211586