157438657 is an odd 9-digits composite number following 157438656
and preceding 157438658 . In scientific notation, it is written as 1.57438657 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 149824752 positive integers (up to 157438657) that are relatively prime to 157438657.
157438657 has 8 divisors, whose sum is 165122496
The reverse of 157438657 is 756834751
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred fifty-seven million four hundred thirty-eight thousand six hundred fifty-seven
Scientific notation
1.57438657 × 10^8
Engineering notation
1.57438657 × 10^6
Prime Factorization
23 × 197 × 34747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157438657
Product of the distinct prime numbers
The prime factorization of 157438657 is 23 × 197 × 34747.
Since it has a total of 3 prime factors.
1 , 5 , 34 , 25 , 921 , 676 , 6962 , 9040 , 22019 , 94611 , 344730 , 151761 , 3205898 , 3692858 , 70974182 , 54418979 , 100269613 , 798146974 , 2173519026 , 879297413
n×2
314877314
n×3
472315971
n×4
629754628
n×5
787193285
n÷2
78719328.5
n÷3
52479552.333333
n÷3
39359664.25
n÷5
31487731.4
n2
24786930717963649
n3
3.9024210833882E+24
n4
6.1439193441713E+32
n5
9.6729041026265E+40
2 √n
12547.456196377
3 √n
539.97102839537
4 √n
112.01542838546
5 √n
43.593553860995
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
-157438656
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 157438657 can be divided by 8 positive divisors.
The sum of these divisors (counting 157438657) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100101001011000001
3
Ternary
101222020201020101
4
Quaternary
21120211023001
5
Quinary
310301014112
6
Senary
23342242401
8
Octal
1130451301
10
Decimal
157438657
12
Duodecimal
44886401
16
Hexadecimal
96252c1
20
Vigesimal
293jgch
36
Base36
2lqgg1
md5
3e0eb4b09de03aa705b5a982595fce01
sha1
e0deb3e5c15cb938b50e3517b606745cefd17596
sha256
1ab3aefe3b70aca39ee580be5fa01698ef1c8dfb4d934d64031afad422944ab8
sha512
89dfda22a72455aa934a2d5cf835c96c2969951f8b06992934447651d38795afc7c369452b64a63df0520167ad9eae0c905b58981d4ad6cd2534ad2228805090
ripemd-160
b7033f78c7fedb08ca558ca9270ad67d60109948
Diameter
314877314
Circumference
989216256.44449
Area
7.7870439448594E+16
Volume
1.6346423209049E+25
Surface area
3.1148175779438E+17
Circumference
989216256.44449
Perimeter
629754628
Area
24786930717963649
Diagonal
222651883.97121
Surface area
148721584307781894
Volume
3.9024210833882E+24
Space diagonal
272691752.99941
Perimeter
472315971
Area
1.0733055841801E+16
Altitude
136345876.4997
Surface area
1.0733055841801E+16
Volume
4.5990473518486E+23
Height
74217294.657069