157649081 is an odd 9-digits composite number following 157649080
and preceding 157649082 . In scientific notation, it is written as 1.57649081 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 157292772 positive integers (up to 157649081) that are relatively prime to 157649081.
157649081 has 4 divisors, whose sum is 158005392
The reverse of 157649081 is 180946751
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred fifty-seven million six hundred forty-nine thousand eighty-one
Scientific notation
1.57649081 × 10^8
Engineering notation
1.57649081 × 10^6
Prime Factorization
443 × 355867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157649081
Product of the distinct prime numbers
The prime factorization of 157649081 is 443 × 355867.
Since it has a total of 2 prime factors.
7 , 4 , 45 , 4 , 472 , 209 , 2975 , 1699 , 42905 , 34797 , 770462 , 447775 , 6931677 , 7690475 , 96958733 , 83602099 , 583594238 , 932663106 , 3343347410 , 6136855492
n×2
315298162
n×3
472947243
n×4
630596324
n×5
788245405
n÷2
78824540.5
n÷3
52549693.666667
n÷3
39412270.25
n÷5
31529816.2
n2
24853232740144561
n3
3.9180893013629E+24
n4
6.1768317763579E+32
n5
9.7377185303443E+40
2 √n
12555.838522377
3 √n
540.21148666373
4 √n
112.05283808265
5 √n
43.605200593706
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
-157649080
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 157649081 can be divided by 4 positive divisors.
The sum of these divisors (counting 157649081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011001011000100010111001
3
Ternary
101222122101212212
4
Quaternary
21121120202321
5
Quinary
310324232311
6
Senary
23350544505
8
Octal
1131304271
10
Decimal
157649081
12
Duodecimal
44968135
16
Hexadecimal
96588b9
20
Vigesimal
29562e1
36
Base36
2luyt5
md5
15635892f36718985327a60fdc93a707
sha1
0a0513ce3843837df4c6bad13ab618b6cebb079c
sha256
f41d9fc78c689817f4c3cbc2b05e821b1d7f074700c6f47561ba4d1870190ce2
sha512
89b35d972e7447023532a9d3cd61e2f78a20ffc5acb6a26b8828c05ddf28144a415b3399bf6d3bec092390949a1cc014c17d1f37aa17953f395b650502b2af4a
ripemd-160
c865ec6051498f746e5b347e8cf0c73a67b692dc
Diameter
315298162
Circumference
990538389.42956
Area
7.8078733394395E+16
Volume
1.6412054087027E+25
Surface area
3.1231493357758E+17
Circumference
990538389.42956
Perimeter
630596324
Area
24853232740144561
Diagonal
222949468.44585
Surface area
149119396440867366
Volume
3.9180893013629E+24
Space diagonal
273056218.05854
Perimeter
472947243
Area
1.0761765459566E+16
Altitude
136528109.02927
Surface area
1.0761765459566E+16
Volume
4.6175125238136E+23
Height
74316489.481952