157445643 is an odd 9-digits composite number following 157445642
and preceding 157445644 . In scientific notation, it is written as 1.57445643 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 104963760 positive integers (up to 157445643) that are relatively prime to 157445643.
157445643 has 4 divisors, whose sum is 209927528
The reverse of 157445643 is 346544751
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million four hundred forty-five thousand six hundred forty-three
Scientific notation
1.57445643 × 10^8
Engineering notation
1.57445643 × 10^6
Prime Factorization
3 × 52481881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157445643
Product of the distinct prime numbers
The prime factorization of 157445643 is 3 × 52481881.
Since it has a total of 2 prime factors.
3 , 2 , 53 , 63 , 75 , 864 , 4054 , 143 , 17239 , 55222 , 824414 , 810477 , 3083994 , 8059493 , 45639970 , 24905996 , 881175482 , 805897038 , 5478722905 , 4104542759
n×2
314891286
n×3
472336929
n×4
629782572
n×5
787228215
n÷2
78722821.5
n÷3
52481881
n÷3
39361410.75
n÷5
31489128.6
n2
24789130499683449
n3
3.9029405909336E+24
n4
6.1450099093034E+32
n5
9.6750503641164E+40
2 √n
12547.734576409
3 √n
539.97901495954
4 √n
112.01667097539
5 √n
43.593940728068
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157445642
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157445643 can be divided by 4 positive divisors.
The sum of these divisors (counting 157445643) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100110111000001011
3
Ternary
101222021001211010
4
Quaternary
21120212320023
5
Quinary
310301230033
6
Senary
23342335003
8
Octal
1130467013
10
Decimal
157445643
12
Duodecimal
4488a463
16
Hexadecimal
9626e0b
20
Vigesimal
2940e23
36
Base36
2lqlu3
md5
aee8dd8da2a323c26ebc90f772886377
sha1
11a5d0208398c9c4f2e880c0b8c36582c52aa394
sha256
8f86d17d06eb753990c97f9fdd07e539d416a463d8cbf6585d4f5ea805af469c
sha512
1b4fb62e14cd26873ed30a13f609a4941f002b99fc7f285f3509a98c18afe89f08ebb3c38c32b39c41a83ca40c41498e83147355d0a77cbef39268fa00ccf6b3
ripemd-160
c7d1ce95f194148e4e433a0545c2a2aab0c69c17
Diameter
314891286
Circumference
989260150.77704
Area
7.7877350266684E+16
Volume
1.6348599317166E+25
Surface area
3.1150940106674E+17
Circumference
989260150.77704
Perimeter
629782572
Area
24789130499683449
Diagonal
222661763.66715
Surface area
148734782998100694
Volume
3.9029405909336E+24
Space diagonal
272703853.10635
Perimeter
472336929
Area
1.0734008375227E+16
Altitude
136351926.55318
Surface area
1.0734008375227E+16
Volume
4.5996595973623E+23
Height
74220587.889051