157021768 is an even 9-digits composite number following 157021767
and preceding 157021769 . In scientific notation, it is written as 1.57021768 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors.
There are 78510880 positive integers (up to 157021768) that are relatively prime to 157021768.
157021768 has 8 divisors, whose sum is 294415830
The reverse of 157021768 is 867120751
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million twenty-one thousand seven hundred sixty-eight
Scientific notation
1.57021768 × 10^8
Engineering notation
1.57021768 × 10^6
Prime Factorization
2 × 2 × 2 × 19627721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39255442
Product of the distinct prime numbers
The prime factorization of 157021768 is 2 × 2 × 2 × 19627721.
Since it has a total of 4 prime factors.
10 , 4 , 47 , 98 , 727 , 392 , 3571 , 2140 , 82793 , 7898 , 713197 , 510520 , 88116 , 1014231 , 57128142 , 79578262 , 411997850 , 129062508 , 3737397667 , 2227667156
n×2
314043536
n×3
471065304
n×4
628087072
n×5
785108840
n÷2
78510884
n÷3
52340589.333333
n÷3
39255442
n÷5
31404353.6
n2
24655835625845824
n3
3.8715029014877E+24
n4
6.0791023040873E+32
n5
9.5455139164066E+40
2 √n
12530.8326938
3 √n
539.49400246373
4 √n
111.94120194906
5 √n
43.570442697294
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
-157021767
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 157021768 can be divided by 8 positive divisors.
The sum of these divisors (counting 157021768) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111011001001000
3
Ternary
101221110112101001
4
Quaternary
21112333121020
5
Quinary
310144144033
6
Senary
23325304344
8
Octal
1126773110
10
Decimal
157021768
12
Duodecimal
447050b4
16
Hexadecimal
95bf648
20
Vigesimal
2917e88
36
Base36
2lhirs
md5
4896204350c8ed1636d656fa9503108e
sha1
e68c86ab49910587a00949faaff51fede965a29c
sha256
753de336866ce5acb7eaa96911f6037175badb8e6cf99d8b7914129a89af7466
sha512
632e5c461e70e1534c7902db72fa212787ca7ee293495d272f8c28fe7e1fbbb2ae11357e3e9f220eafb6c2bfe9d8a8662b9e0a47e3f085100ac8a350760b2146
ripemd-160
2534b7e5ee03c2377cee66841b406393abf2664f
Diameter
314043536
Circumference
986596865.60496
Area
7.7458592070275E+16
Volume
1.6216913431554E+25
Surface area
3.098343682811E+17
Circumference
986596865.60496
Perimeter
628087072
Area
24655835625845824
Diagonal
222062313.8934
Surface area
147935013755074944
Volume
3.8715029014877E+24
Space diagonal
271969680.07029
Perimeter
471065304
Area
1.0676290001758E+16
Altitude
135984840.03515
Surface area
1.0676290001758E+16
Volume
4.5626099250422E+23
Height
74020771.297801