157445644 is an even 9-digits composite number following 157445643
and preceding 157445645 . In scientific notation, it is written as 1.57445644 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 78602048 positive integers (up to 157445644) that are relatively prime to 157445644.
157445644 has 12 divisors, whose sum is 275952600
The reverse of 157445644 is 446544751
Previous prime number is 659
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-seven million four hundred forty-five thousand six hundred forty-four
Scientific notation
1.57445644 × 10^8
Engineering notation
1.57445644 × 10^6
Prime Factorization
2 × 2 × 659 × 59729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78722822
Product of the distinct prime numbers
The prime factorization of 157445644 is 2 × 2 × 659 × 59729.
Since it has a total of 4 prime factors.
8 , 10 , 71 , 97 , 633 , 120 , 6725 , 6899 , 74691 , 85107 , 620559 , 67117 , 9442570 , 4661208 , 17522074 , 69487578 , 29367069 , 218865470 , 5349840564 , 8276881365
n×2
314891288
n×3
472336932
n×4
629782576
n×5
787228220
n÷2
78722822
n÷3
52481881.333333
n÷3
39361411
n÷5
31489128.8
n2
24789130814574736
n3
3.902940665301E+24
n4
6.145010065421E+32
n5
9.6750506713669E+40
2 √n
12547.734616256
3 √n
539.97901610275
4 √n
112.01667115325
5 √n
43.593940783444
1 , 2 , 4 , 659 , 1318 , 2636 , 59729 , 119458 , 238916 , 39361411 , 78722822 , 157445644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157445643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157445644 can be divided by 12 positive divisors.
The sum of these divisors (counting 157445644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011000100110111000001100
3
Ternary
101222021001211011
4
Quaternary
21120212320030
5
Quinary
310301230034
6
Senary
23342335004
8
Octal
1130467014
10
Decimal
157445644
12
Duodecimal
4488a464
16
Hexadecimal
9626e0c
20
Vigesimal
2940e24
36
Base36
2lqlu4
md5
606ad68a274043104ecff44d5d9314a0
sha1
46c4b331adb3ce80b29c32a6812eddcfa552fdef
sha256
1dd37da0e37361007739bced078278f2c1e04a3556646f53de41b2b68699e0af
sha512
3f5b73d82b5cc4000a72deef25cdc0dbabf4c50b42a9128f02ffb3f25d8e87632761c17462ce4be74e955e7796250989f97191f074e7e6731a204ff0d2743957
ripemd-160
2ad32dbb3ada97f55f7f5990d75c0601a6a56ef5
Diameter
314891288
Circumference
989260157.06023
Area
7.7877351255944E+16
Volume
1.6348599628675E+25
Surface area
3.1150940502378E+17
Circumference
989260157.06023
Perimeter
629782576
Area
24789130814574736
Diagonal
222661765.08137
Surface area
148734784887448416
Volume
3.902940665301E+24
Space diagonal
272703854.8384
Perimeter
472336932
Area
1.0734008511579E+16
Altitude
136351927.4192
Surface area
1.0734008511579E+16
Volume
4.5996596850051E+23
Height
74220588.360455