157445168 is an even 9-digits composite number following 157445167
and preceding 157445169 . In scientific notation, it is written as 1.57445168 × 10^8.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 78665664 positive integers (up to 157445168) that are relatively prime to 157445168.
157445168 has 20 divisors, whose sum is 305270640
The reverse of 157445168 is 861544751
Previous prime number is 1879
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred fifty-seven million four hundred forty-five thousand one hundred sixty-eight
Scientific notation
1.57445168 × 10^8
Engineering notation
1.57445168 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1879 × 5237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19680646
Product of the distinct prime numbers
The prime factorization of 157445168 is 2 × 2 × 2 × 2 × 1879 × 5237.
Since it has a total of 6 prime factors.
5 , 6 , 67 , 17 , 345 , 104 , 9624 , 1139 , 3867 , 82659 , 326254 , 406443 , 1798593 , 2095913 , 50328392 , 79410906 , 268310124 , 538782602 , 8859769046 , 6639186894
n×2
314890336
n×3
472335504
n×4
629780672
n×5
787225840
n÷2
78722584
n÷3
52481722.666667
n÷3
39361292
n÷5
31489033.6
n2
24788980926548224
n3
3.9029052665292E+24
n4
6.1449357537677E+32
n5
9.6749044210116E+40
2 √n
12547.715648675
3 √n
539.97847193554
4 √n
112.01658648912
5 √n
43.5939144242
1 , 2 , 4 , 8 , 16 , 1879 , 3758 , 5237 , 7516 , 10474 , 15032 , 20948 , 30064 , 41896 , 83792 , 9840323 , 19680646 , 39361292 , 78722584 , 157445168
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157445167
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157445168 can be divided by 20 positive divisors.
The sum of these divisors (counting 157445168) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001011000100110110000110000
3
Ternary
101222021001011112
4
Quaternary
21120212300300
5
Quinary
310301221133
6
Senary
23342332452
8
Octal
1130466060
10
Decimal
157445168
12
Duodecimal
4488a128
16
Hexadecimal
9626c30
20
Vigesimal
2940ci8
36
Base36
2lqlgw
md5
45d742edc9c5b300bf11ae662b9be631
sha1
695cfed8734e7e9ac9c03e7f5c81342ffec11d7b
sha256
b048120e4b319e787dc248a4ebef6b75ec9efdf01a364f931a81a56c1fded367
sha512
d07059071d6cc4abb2870ba6f32d452e291aba9652cd8ee1dd590c41b6d44b7a45d9180dd3e8d0e2f74c76acb1db8ad5bc67fa1e46b6a96cc1c3d9bf6e099375
ripemd-160
b8d7b744789d799ad65174e1cf83628cb59166fe
Diameter
314890336
Circumference
989257166.26402
Area
7.7876880368821E+16
Volume
1.6348451350647E+25
Surface area
3.1150752147529E+17
Circumference
989257166.26402
Perimeter
629780672
Area
24788980926548224
Diagonal
222661091.91571
Surface area
148733885559289344
Volume
3.9029052665292E+24
Space diagonal
272703030.38222
Perimeter
472335504
Area
1.0733943608159E+16
Altitude
136351515.19111
Surface area
1.0733943608159E+16
Volume
4.5996179671525E+23
Height
74220363.971903