157042978 is an even 9-digits composite number following 157042977
and preceding 157042979 . In scientific notation, it is written as 1.57042978 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 78489600 positive integers (up to 157042978) that are relatively prime to 157042978.
157042978 has 8 divisors, whose sum is 235660140
The reverse of 157042978 is 879240751
Previous prime number is 2689
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-seven million forty-two thousand nine hundred seventy-eight
Scientific notation
1.57042978 × 10^8
Engineering notation
1.57042978 × 10^6
Prime Factorization
2 × 2689 × 29201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157042978
Product of the distinct prime numbers
The prime factorization of 157042978 is 2 × 2689 × 29201.
Since it has a total of 3 prime factors.
5 , 7 , 63 , 26 , 8 , 842 , 6881 , 1518 , 78690 , 80258 , 365853 , 104787 , 9040731 , 7333181 , 38955593 , 62114835 , 419483397 , 960634614 , 7254022132 , 7037307724
n×2
314085956
n×3
471128934
n×4
628171912
n×5
785214890
n÷2
78521489
n÷3
52347659.333333
n÷3
39260744.5
n÷5
31408595.6
n2
24662496939108484
n3
3.8730719642335E+24
n4
6.0823875527154E+32
n5
9.5519625462855E+40
2 √n
12531.678977695
3 √n
539.5182924136
4 √n
111.94498192279
5 √n
43.571619705009
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
-157042977
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 157042978 can be divided by 8 positive divisors.
The sum of these divisors (counting 157042978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000100100100100010
3
Ternary
101221111121110121
4
Quaternary
21113010210202
5
Quinary
310200333403
6
Senary
23325550454
8
Octal
1127044442
10
Decimal
157042978
12
Duodecimal
4471542a
16
Hexadecimal
95c4922
20
Vigesimal
291a78i
36
Base36
2lhz4y
md5
48bc210b13ff21f7eb2812f65bbe4f8c
sha1
a42eea40ea84f0a14c563581ec64c03403e4c41b
sha256
c4d8c5ed13fdd6719d5c8663fc12f56bb74f3ed38cddb08ca44aa479c5ca4e56
sha512
51a732180be65ea8738a9bf1ddbc34b6c20b8f9115ac3f31585c3f91446b81994a7f834fb760d91cec96fdd1c77ebde8ee9b5dd2631a7fdecadc1ee1fea7bf94
ripemd-160
4dea9383dcdf45f0076542ac4ae7e0d5dcb646a9
Diameter
314085956
Circumference
986730131.96533
Area
7.7479519203084E+16
Volume
1.6223485906214E+25
Surface area
3.0991807681234E+17
Circumference
986730131.96533
Perimeter
628171912
Area
24662496939108484
Diagonal
222092309.36306
Surface area
147974981634650904
Volume
3.8730719642335E+24
Space diagonal
272006416.86792
Perimeter
471128934
Area
1.0679174435012E+16
Altitude
136003208.43396
Surface area
1.0679174435012E+16
Volume
4.5644590832217E+23
Height
74030769.787687