157429978 is an even 9-digits composite number following 157429977
and preceding 157429979 . In scientific notation, it is written as 1.57429978 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 77040156 positive integers (up to 157429978) that are relatively prime to 157429978.
157429978 has 8 divisors, whose sum is 241169472
The reverse of 157429978 is 879924751
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred fifty-seven million four hundred twenty-nine thousand nine hundred seventy-eight
Scientific notation
1.57429978 × 10^8
Engineering notation
1.57429978 × 10^6
Prime Factorization
2 × 47 × 1674787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157429978
Product of the distinct prime numbers
The prime factorization of 157429978 is 2 × 47 × 1674787.
Since it has a total of 3 prime factors.
7 , 8 , 4 , 36 , 136 , 370 , 1920 , 1479 , 72316 , 11443 , 423123 , 811515 , 3916891 , 1819068 , 98720293 , 96886101 , 770594839 , 509827684 , 2502307590 , 4586063196
n×2
314859956
n×3
472289934
n×4
629719912
n×5
787149890
n÷2
78714989
n÷3
52476659.333333
n÷3
39357494.5
n÷5
31485995.6
n2
24784197973080484
n3
3.9017757416497E+24
n4
6.1425646916885E+32
n5
9.6702382427609E+40
2 √n
12547.110344617
3 √n
539.96110602357
4 √n
112.01388460641
5 √n
43.59307322072
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
-157429977
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 157429978 can be divided by 8 positive divisors.
The sum of these divisors (counting 157429978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100011000011011010
3
Ternary
101222020021022221
4
Quaternary
21120203003122
5
Quinary
310300224403
6
Senary
23342134254
8
Octal
1130430332
10
Decimal
157429978
12
Duodecimal
4488138a
16
Hexadecimal
96230da
20
Vigesimal
293ieii
36
Base36
2lq9qy
md5
99009bc551273a6800f9a173f73e46d5
sha1
099f7b27f39f978dc8d8bed991ccc38e17a1ef19
sha256
02ffc8987caffa8a47c6495c35b8c459712e88395e0a1ca1ba2e95013f68fae8
sha512
9d6e5482fe1351eacd11efdd5207315f363ed0acac8d059e8e64da4af30a8219cb767bebc316ce877aab961884ce6782d3ad680ad0fb40995405cbe063f03498
ripemd-160
187dfdf9d4c5255f89cd31606b6e87141286210e
Diameter
314859956
Circumference
989161724.67921
Area
7.7861854277345E+16
Volume
1.6343720007895E+25
Surface area
3.1144741710938E+17
Circumference
989161724.67921
Perimeter
629719912
Area
24784197973080484
Diagonal
222639610.0117
Surface area
148705187838482904
Volume
3.9017757416497E+24
Space diagonal
272676720.53045
Perimeter
472289934
Area
1.0731872528555E+16
Altitude
136338360.26523
Surface area
1.0731872528555E+16
Volume
4.5982868093161E+23
Height
74213203.337233