157401638 is an even 9-digits composite number following 157401637
and preceding 157401639 . In scientific notation, it is written as 1.57401638 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 78700818 positive integers (up to 157401638) that are relatively prime to 157401638.
157401638 has 4 divisors, whose sum is 236102460
The reverse of 157401638 is 836104751
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-seven million four hundred one thousand six hundred thirty-eight
Scientific notation
1.57401638 × 10^8
Engineering notation
1.57401638 × 10^6
Prime Factorization
2 × 78700819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157401638
Product of the distinct prime numbers
The prime factorization of 157401638 is 2 × 78700819.
Since it has a total of 2 prime factors.
9 , 2 , 3 , 34 , 77 , 843 , 2600 , 648 , 1762 , 40275 , 288628 , 904151 , 7310007 , 9323646 , 84200594 , 55167598 , 457304681 , 440222720 , 9355308954 , 3717278179
n×2
314803276
n×3
472204914
n×4
629606552
n×5
787008190
n÷2
78700819
n÷3
52467212.666667
n÷3
39350409.5
n÷5
31480327.6
n2
24775275645083044
n3
3.8996689684376E+24
n4
6.1381428328985E+32
n5
9.6615373617618E+40
2 √n
12545.980950089
3 √n
539.92870343573
4 √n
112.00884317807
5 √n
43.591503612848
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
-157401637
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 157401638 can be divided by 4 positive divisors.
The sum of these divisors (counting 157401638) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000011100001000100110
3
Ternary
101222011211110022
4
Quaternary
21120130020212
5
Quinary
310243323023
6
Senary
23341355142
8
Octal
1130341046
10
Decimal
157401638
12
Duodecimal
44868ab2
16
Hexadecimal
961c226
20
Vigesimal
293f41i
36
Base36
2lpnvq
md5
5b97e51cbeca21fbe82754d051262e81
sha1
70b07d4d08bc2772b7facef16317759c869844b1
sha256
0ec663ad996f9916e74742c04bf8b4c204a277156e796d233ea67d65ba3471ba
sha512
2e359c04b368ac8223c1e49102b6ac6f5697733ca2039e89adc128dfe1e392fd7d489479f9718487d4f6ca794335bde672ebf9fb2344d375a1ffa517f31c7210
ripemd-160
cb6bb2017bf8f00a22b3cda1a7eb3e68944d8e78
Diameter
314803276
Circumference
988983659.2076
Area
7.7833823957255E+16
Volume
1.6334895176901E+25
Surface area
3.1133529582902E+17
Circumference
988983659.2076
Perimeter
629606552
Area
24775275645083044
Diagonal
222599531.19934
Surface area
148651653870498264
Volume
3.8996689684376E+24
Space diagonal
272627634.21056
Perimeter
472204914
Area
1.0728009047202E+16
Altitude
136313817.10528
Surface area
1.0728009047202E+16
Volume
4.5958039532749E+23
Height
74199843.733113