157028638 is an even 9-digits composite number following 157028637
and preceding 157028639 . In scientific notation, it is written as 1.57028638 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 72474744 positive integers (up to 157028638) that are relatively prime to 157028638.
157028638 has 8 divisors, whose sum is 253661688
The reverse of 157028638 is 836820751
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-seven million twenty-eight thousand six hundred thirty-eight
Scientific notation
1.57028638 × 10^8
Engineering notation
1.57028638 × 10^6
Prime Factorization
2 × 13 × 6039563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157028638
Product of the distinct prime numbers
The prime factorization of 157028638 is 2 × 13 × 6039563.
Since it has a total of 3 prime factors.
3 , 10 , 39 , 29 , 890 , 606 , 1284 , 5906 , 52523 , 75156 , 66707 , 215234 , 6909026 , 7157840 , 81471748 , 78064221 , 824446167 , 724829778 , 965293233 , 6845595736
n×2
314057276
n×3
471085914
n×4
628114552
n×5
785143190
n÷2
78514319
n÷3
52342879.333333
n÷3
39257159.5
n÷5
31405727.6
n2
24657993152135044
n3
3.8720110804931E+24
n4
6.0801662629074E+32
n5
9.547602270779E+40
2 √n
12531.106814643
3 √n
539.50187031074
4 √n
111.94242633891
5 √n
43.570823948514
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
-157028637
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 157028638 can be divided by 8 positive divisors.
The sum of these divisors (counting 157028638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000001000100011110
3
Ternary
101221110212210111
4
Quaternary
21113001010132
5
Quinary
310144404023
6
Senary
23325400234
8
Octal
1127010436
10
Decimal
157028638
12
Duodecimal
4470907a
16
Hexadecimal
95c111e
20
Vigesimal
2918bbi
36
Base36
2lho2m
md5
b9bc6d4e184594e2e0111899772cf95c
sha1
ea0d31869df82e89634828e8162d0e3f81a45eda
sha256
7e8199c03b580ec6249742eceb4b5ce76e236a62477d248046544e15a8134410
sha512
a61f898fdfa7a5a163abe2b10ef6ef9c01414e884012db468e882d82b3a00b9b23286f3e288e85bba689f48af9bc1bcb3331ddcf76f1f996282d99fea5b70068
ripemd-160
13f3b364003e459d7b3c395ff32b9bcbf9e8c517
Diameter
314057276
Circumference
986640031.08802
Area
7.7465370139015E+16
Volume
1.6219042086794E+25
Surface area
3.0986148055606E+17
Circumference
986640031.08802
Perimeter
628114552
Area
24657993152135044
Diagonal
222072029.54058
Surface area
147947958912810264
Volume
3.8720110804931E+24
Space diagonal
271981579.25934
Perimeter
471085914
Area
1.0677224238046E+16
Altitude
135990789.62967
Surface area
1.0677224238046E+16
Volume
4.5632088197435E+23
Height
74024009.846858