157440845 is an odd 9-digits composite number following 157440844
and preceding 157440846 . In scientific notation, it is written as 1.57440845 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 123023376 positive integers (up to 157440845) that are relatively prime to 157440845.
157440845 has 8 divisors, whose sum is 193322976
The reverse of 157440845 is 548044751
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred fifty-seven million four hundred forty thousand eight hundred forty-five
Scientific notation
1.57440845 × 10^8
Engineering notation
1.57440845 × 10^6
Prime Factorization
5 × 43 × 732283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157440845
Product of the distinct prime numbers
The prime factorization of 157440845 is 5 × 43 × 732283.
Since it has a total of 3 prime factors.
8 , 6 , 82 , 73 , 305 , 790 , 2841 , 1171 , 51902 , 10607 , 112697 , 311809 , 8387600 , 9567684 , 71809532 , 82939697 , 147930659 , 844083389 , 9205554680 , 1462227112
n×2
314881690
n×3
472322535
n×4
629763380
n×5
787204225
n÷2
78720422.5
n÷3
52480281.666667
n÷3
39360211.25
n÷5
31488169
n2
24787619674314025
n3
3.9025837870626E+24
n4
6.1442608911844E+32
n5
9.6735762660852E+40
2 √n
12547.543385061
3 √n
539.9735297953
4 √n
112.01581756637
5 √n
43.593675028397
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
-157440844
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 157440845 can be divided by 8 positive divisors.
The sum of these divisors (counting 157440845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100101101101001101
3
Ternary
101222020211020102
4
Quaternary
21120211231031
5
Quinary
310301101340
6
Senary
23342300445
8
Octal
1130455515
10
Decimal
157440845
12
Duodecimal
44887725
16
Hexadecimal
9625b4d
20
Vigesimal
2940225
36
Base36
2lqi4t
md5
77b6436b2005a73ff4ba7417fc02c8b9
sha1
7fa3528ffca018069f41e4bcaabe2b9a9c6ab5df
sha256
81917d70ca2d735c7136d4c64b49ef9869c7a29a91a6d6b8b9473335a5229515
sha512
b0c581b1daa89539c34763f12efa38392ee27e4642fa9087f5a6a893043282984e64f761836ad355e8a8aef362497ad0d2feabf02cd81cf5e9c07c0d5a760f59
ripemd-160
c1899e50ba816e01ee67dc121d95284b63dae3e6
Diameter
314881690
Circumference
989230004.05394
Area
7.7872603868803E+16
Volume
1.6347104740606E+25
Surface area
3.1149041547521E+17
Circumference
989230004.05394
Perimeter
629763380
Area
24787619674314025
Diagonal
222654978.27048
Surface area
148725718045884150
Volume
3.9025837870626E+24
Space diagonal
272695542.72658
Perimeter
472322535
Area
1.0733354168651E+16
Altitude
136347771.36329
Surface area
1.0733354168651E+16
Volume
4.5992390999678E+23
Height
74218326.09016