156986997 is an odd 9-digits composite number following 156986996
and preceding 156986998 . In scientific notation, it is written as 1.56986997 × 10^8.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 104657996 positive integers (up to 156986997) that are relatively prime to 156986997.
156986997 has 4 divisors, whose sum is 209316000
The reverse of 156986997 is 799689651
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
one hundred fifty-six million nine hundred eighty-six thousand nine hundred ninety-seven
Scientific notation
1.56986997 × 10^8
Engineering notation
1.56986997 × 10^6
Prime Factorization
3 × 52328999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156986997
Product of the distinct prime numbers
The prime factorization of 156986997 is 3 × 52328999.
Since it has a total of 2 prime factors.
4 , 1 , 21 , 34 , 2 , 227 , 8130 , 9479 , 70640 , 90379 , 927822 , 887737 , 5189219 , 9274762 , 25765323 , 58791891 , 475937377 , 979902366 , 2583768786 , 6042827136
n×2
313973994
n×3
470960991
n×4
627947988
n×5
784934985
n÷2
78493498.5
n÷3
52328999
n÷3
39246749.25
n÷5
31397399.4
n2
24644917227078009
n3
3.8689315467925E+24
n4
6.0737194512953E+32
n5
9.5349497727933E+40
2 √n
12529.44519921
3 √n
539.45417755916
4 √n
111.93500435168
5 √n
43.568512873051
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156986996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156986997 can be divided by 4 positive divisors.
The sum of these divisors (counting 156986997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110110110111001110101
3
Ternary
101221101202200020
4
Quaternary
21112312321311
5
Quinary
310142040442
6
Senary
23324435353
8
Octal
1126667165
10
Decimal
156986997
12
Duodecimal
446a8b59
16
Hexadecimal
95b6e75
20
Vigesimal
291379h
36
Base36
2lgrxx
md5
5b0f50d152cf6a71acea008671a0b9dc
sha1
80996a1a786ed803710644efc5afb624936afd94
sha256
dc0243f2ea27eebaa4d55529f6653e25546a6309445011cb8480baa0fc0d0e7a
sha512
ba169e831f8d6b28bb26fe798e1f1b99fd60811ee0a686e23b8537358f74d56470fe60bd308a59a0901430a0c18972ac3a2e224cf3132b6a9720b68bd8353484
ripemd-160
92942c56ede7c9de0dfc65b32b7893f63afd7df1
Diameter
313973994
Circumference
986378392.96865
Area
7.7424290908917E+16
Volume
1.6206142566194E+25
Surface area
3.0969716363567E+17
Circumference
986378392.96865
Perimeter
627947988
Area
24644917227078009
Diagonal
222013140.27362
Surface area
147869503362468054
Volume
3.8689315467925E+24
Space diagonal
271909454.93166
Perimeter
470960991
Area
1.0671562196407E+16
Altitude
135954727.46583
Surface area
1.0671562196407E+16
Volume
4.5595795544726E+23
Height
74004380.091208