157400985 is an odd 9-digits composite number following 157400984
and preceding 157400986 . In scientific notation, it is written as 1.57400985 × 10^8.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 71952384 positive integers (up to 157400985) that are relatively prime to 157400985.
157400985 has 32 divisors, whose sum is 293702400
The reverse of 157400985 is 589004751
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million four hundred thousand nine hundred eighty-five
Scientific notation
1.57400985 × 10^8
Engineering notation
1.57400985 × 10^6
Prime Factorization
3 × 5 × 7 × 7 × 7 × 30593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3212265
Product of the distinct prime numbers
The prime factorization of 157400985 is 3 × 5 × 7 × 7 × 7 × 30593.
Since it has a total of 6 prime factors.
3 , 4 , 87 , 34 , 68 , 288 , 1796 , 2351 , 25600 , 638 , 971528 , 871661 , 4043189 , 2309938 , 79728427 , 81324535 , 605966067 , 168848214 , 9232052311 , 6252743746
n×2
314801970
n×3
472202955
n×4
629603940
n×5
787004925
n÷2
78700492.5
n÷3
52466995
n÷3
39350246.25
n÷5
31480197
n2
24775070078970225
n3
3.8996204338739E+24
n4
6.1380409741789E+32
n5
9.6613369530611E+40
2 √n
12545.954925792
3 √n
539.92795678122
4 √n
112.00872700728
5 √n
43.591467443848
1 , 3 , 5 , 7 , 15 , 21 , 35 , 49 , 105 , 147 , 245 , 343 , 735 , 1029 , 1715 , 5145 , 30593 , 91779 , 152965 , 214151 , 458895 , 642453 , 1070755 , 1499057 , 3212265 , 4497171 , 7495285 , 10493399 , 22485855 , 31480197 , 52466995 , 157400985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157400984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157400985 can be divided by 32 positive divisors.
The sum of these divisors (counting 157400985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011000011011111110011001
3
Ternary
101222011210120010
4
Quaternary
21120123332121
5
Quinary
310243312420
6
Senary
23341352133
8
Octal
1130337631
10
Decimal
157400985
12
Duodecimal
44868649
16
Hexadecimal
961bf99
20
Vigesimal
293f295
36
Base36
2lpndl
md5
3871b47f59d5cc3a36529b11bdb0fd84
sha1
fa9dae404e02271b609b4ae2095bdb1ad382c9b8
sha256
01e6177e963def7bf63d1e9968b49a7a882b9cf8ff8679f9503b178d5c90a843
sha512
6a57f8f7ee4750d4d7362b471d067db64f48393fe71142d0e379d7e9e0f5288d0b90067b61cdf55108c3108320e3229b48c93974654b3a5a09827b176b0ae740
ripemd-160
57023c4d69e674c48ed3c47da437502d38edd3a4
Diameter
314801970
Circumference
988979556.28759
Area
7.7833178152265E+16
Volume
1.6334691875796E+25
Surface area
3.1133271260906E+17
Circumference
988979556.28759
Perimeter
629603940
Area
24775070078970225
Diagonal
222598607.71788
Surface area
148650420473821350
Volume
3.8996204338739E+24
Space diagonal
272626503.18139
Perimeter
472202955
Area
1.0727920034464E+16
Altitude
136313251.59069
Surface area
1.0727920034464E+16
Volume
4.5957467547432E+23
Height
74199535.905961