156989221 is an odd 9-digits composite number following 156989220
and preceding 156989222 . In scientific notation, it is written as 1.56989221 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 155151360 positive integers (up to 156989221) that are relatively prime to 156989221.
156989221 has 4 divisors, whose sum is 157027552
The reverse of 156989221 is 122989651
Previous prime number is 33667
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-six million nine hundred eighty-nine thousand two hundred twenty-one
Scientific notation
1.56989221 × 10^8
Engineering notation
1.56989221 × 10^6
Prime Factorization
33667 × 4663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156989221
Product of the distinct prime numbers
The prime factorization of 156989221 is 33667 × 4663.
Since it has a total of 2 prime factors.
2 , 6 , 18 , 84 , 805 , 401 , 3511 , 5186 , 94403 , 34107 , 279626 , 393607 , 7049419 , 6504711 , 74427499 , 35566326 , 304477615 , 681787243 , 2896327473 , 1238718360
n×2
313978442
n×3
470967663
n×4
627956884
n×5
784946105
n÷2
78494610.5
n÷3
52329740.333333
n÷3
39247305.25
n÷5
31397844.2
n2
24645615510186841
n3
3.8690959800097E+24
n4
6.0740636387596E+32
n5
9.535625189533E+40
2 √n
12529.533949832
3 √n
539.45672498973
4 √n
111.93540078917
5 √n
43.568636317445
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
-156989220
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 156989221 can be divided by 4 positive divisors.
The sum of these divisors (counting 156989221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110110111011100100101
3
Ternary
101221101212201121
4
Quaternary
21112313130211
5
Quinary
310142123341
6
Senary
23324453541
8
Octal
1126673445
10
Decimal
156989221
12
Duodecimal
446aa2b1
16
Hexadecimal
95b7725
20
Vigesimal
2913d11
36
Base36
2lgtnp
md5
066f2288d9d30cb3ed6234378f48f909
sha1
4b05c43b0b8cc46977da0662327b6b4ef8dae520
sha256
b972d93f9653f71ff88908bf14bf2a70ef3f09d01fc55527db04a60917690d7c
sha512
f3dddb26b33ba0fe0461aafc647b5dd506c6a873834c0c779592e013c0f604912a878e98cbf79f710e365b8a50ad6379494baa2383bc7deeec3efdffd8ffd989
ripemd-160
652f6f711c01b7a6a06ca3ca4e3b9c14f2a25717
Diameter
313978442
Circumference
986392366.77277
Area
7.7426484630002E+16
Volume
1.6206831342443E+25
Surface area
3.0970593852001E+17
Circumference
986392366.77277
Perimeter
627956884
Area
24645615510186841
Diagonal
222016285.48459
Surface area
147873693061121046
Volume
3.8690959800097E+24
Space diagonal
271913307.01266
Perimeter
470967663
Area
1.0671864561863E+16
Altitude
135956653.50633
Surface area
1.0671864561863E+16
Volume
4.5597733408775E+23
Height
74005428.494862