157438705 is an odd 9-digits composite number following 157438704
and preceding 157438706 . In scientific notation, it is written as 1.57438705 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 123701760 positive integers (up to 157438705) that are relatively prime to 157438705.
157438705 has 16 divisors, whose sum is 192326400
The reverse of 157438705 is 507834751
Previous prime number is 79
Is Prime? no Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred fifty-seven million four hundred thirty-eight thousand seven hundred five
Scientific notation
1.57438705 × 10^8
Engineering notation
1.57438705 × 10^6
Prime Factorization
5 × 211 × 79 × 1889
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
157438705 Product of the distinct prime numbers
The prime factorization of 157438705 is 5 × 211 × 79 × 1889.
Since it has a total of 4 prime factors.
1 , 10 , 87 , 22 , 309 , 883 , 2902 , 4834 , 62782 , 81532 , 361818 , 484983 , 7607476 , 7439886 , 94359998 , 85649645 , 606353392 , 337350134 , 2774032394 , 4677050093
n×2
314877410
n×3
472316115
n×4
629754820
n×5
787193525
n÷2
78719352.5
n÷3
52479568.333333
n÷3
39359676.25
n÷5
31487741
n2
24786945832077025
n3
3.9024246527074E+24
n4
6.1439268368232E+32
n5
9.6729188480419E+40
2 √n12547.458109115
3 √n539.97108327094
4 √n112.01543692329
5 √n43.593556519161
1 , 5 , 79 , 211 , 395 , 1055 , 1889 , 9445 , 16669 , 83345 , 149231 , 398579 , 746155 , 1992895 , 31487741 , 157438705
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157438704 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438705 can be divided by 16 positive divisors.
The sum of these divisors (counting 157438705) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000100101001011110001
3
Ternary
101222020201022011
4
Quaternary
21120211023301
5
Quinary
310301014310
6
Senary
23342242521
8
Octal
1130451361
10
Decimal
157438705
12
Duodecimal
44886441
16
Hexadecimal
96252f1
20
Vigesimal
293jgf5
36
Base36
2lqghd
md5
24d6579619754576b5895ebb8ef06fc7
sha1
05bd120cf313a4d1457837175fa10987d1c5e956
sha256
9fa60837b4cb5cab17a5751938e6a7bc3eceb3155ad114d05eb343d2f598e7da
sha512
f01404154c7b429f2f1f48fed959a6900b219d71a8338fa56523a5c8252bfdbb5d15e28029935c8e2bce99f8a2d6c9368f9e5aa0fb1af64dc86e0995ff401991
ripemd-160
7655f80641ca86746682319e9ab5c944eaf121b8
Diameter
314877410
Circumference
989216558.03738
Area
7.7870486930981E+16
Volume
1.6346438160177E+25
Surface area
3.1148194772393E+17
Circumference
989216558.03738
Perimeter
629754820
Area
24786945832077025
Diagonal
222651951.85346
Surface area
148721674992462150
Volume
3.9024246527074E+24
Space diagonal
272691836.13785
Perimeter
472316115
Area
1.0733062386404E+16
Altitude
136345918.06892
Surface area
1.0733062386404E+16
Volume
4.5990515583315E+23
Height
74217317.284486