157020978 is an even 9-digits composite number following 157020977
and preceding 157020979 . In scientific notation, it is written as 1.57020978 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 49585536 positive integers (up to 157020978) that are relatively prime to 157020978.
157020978 has 8 divisors, whose sum is 239663772
The reverse of 157020978 is 879020751
Previous prime number is 57
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million twenty thousand nine hundred seventy-eight
Scientific notation
1.57020978 × 10^8
Engineering notation
1.57020978 × 10^6
Prime Factorization
2 × 57 × 1377377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157020978
Product of the distinct prime numbers
The prime factorization of 157020978 is 2 × 57 × 1377377.
Since it has a total of 3 prime factors.
4 , 4 , 10 , 61 , 476 , 49 , 7950 , 3130 , 92628 , 21307 , 17015 , 83836 , 3524706 , 6094040 , 40416819 , 8795094 , 145386697 , 612756130 , 4221024528 , 1437713915
n×2
314041956
n×3
471062934
n×4
628083912
n×5
785104890
n÷2
78510489
n÷3
52340326
n÷3
39255244.5
n÷5
31404195.6
n2
24655587532076484
n3
3.8714444674513E+24
n4
6.0789799655189E+32
n5
9.5452737942818E+40
2 √n
12530.801171513
3 √n
539.49309770387
4 √n
111.94106115056
5 √n
43.570398855323
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
-157020977
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 157020978 can be divided by 8 positive divisors.
The sum of these divisors (counting 157020978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111001100110010
3
Ternary
101221110111021210
4
Quaternary
21112333030302
5
Quinary
310144132403
6
Senary
23325300550
8
Octal
1126771462
10
Decimal
157020978
12
Duodecimal
44704756
16
Hexadecimal
95bf332
20
Vigesimal
2917c8i
36
Base36
2lhi5u
md5
f05ffa86bc727d752bd6df7a9eec4cd3
sha1
1ec495d40a54b937aa9e73313a5883ef50d66eb7
sha256
23a8c65123b4c81853b7452af8c35fd3f0620b513ee5085e794073392f401f3f
sha512
0e034ff80c853291366f77a601cd0e3abc16b41254624d5631c12ef17b2d3c0a65ec5aee43c6f47367d47862cd401483f14a6403e534f1a129744ee1706479df
ripemd-160
61bebdf04aa20791e2bcfb77f6e05027529eec16
Diameter
314041956
Circumference
986591901.88857
Area
7.7457812660712E+16
Volume
1.6216668663634E+25
Surface area
3.0983125064285E+17
Circumference
986591901.88857
Perimeter
628083912
Area
24655587532076484
Diagonal
222061196.66469
Surface area
147933525192458904
Volume
3.8714444674513E+24
Space diagonal
271968311.75015
Perimeter
471062934
Area
1.0676182574005E+16
Altitude
135984155.87508
Surface area
1.0676182574005E+16
Volume
4.5625410598699E+23
Height
74020398.888229