156908990 is an even 9-digits composite number following 156908989
and preceding 156908991 . In scientific notation, it is written as 1.56908990 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 51457824 positive integers (up to 156908990) that are relatively prime to 156908990.
156908990 has 32 divisors, whose sum is 336821760
The reverse of 156908990 is 099809651
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred fifty-six million nine hundred eight thousand nine hundred ninety
Scientific notation
1.56908990 × 10^8
Engineering notation
1.56908990 × 10^6
Prime Factorization
2 × 7 × 5 × 23 × 97459
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
156908990
Product of the distinct prime numbers
The prime factorization of 156908990 is 2 × 7 × 5 × 23 × 97459.
Since it has a total of 5 prime factors.
3 , 5 , 57 , 63 , 284 , 971 , 9434 , 8478 , 76051 , 94044 , 606483 , 528484 , 8872991 , 342372 , 70393015 , 60205766 , 21282605 , 132733811 , 281726723 , 5761796854
n×2
313817980
n×3
470726970
n×4
627635960
n×5
784544950
n÷2
78454495
n÷3
52302996.666667
n÷3
39227247.5
n÷5
31381798
n2
24620431142820100
n3
3.8631669839844E+24
n4
6.0616562965835E+32
n5
9.5112836722405E+40
2 √n
12526.331865315
3 √n
539.36481097716
4 √n
111.92109660522
5 √n
43.564182164436
1 , 2 , 5 , 7 , 10 , 14 , 23 , 35 , 46 , 70 , 115 , 161 , 230 , 322 , 805 , 1610 , 97459 , 194918 , 487295 , 682213 , 974590 , 1364426 , 2241557 , 3411065 , 4483114 , 6822130 , 11207785 , 15690899 , 22415570 , 31381798 , 78454495 , 156908990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156908989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156908990 can be divided by 32 positive divisors.
The sum of these divisors (counting 156908990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010110100011110110111110
3
Ternary
101221020210200002
4
Quaternary
21112203312332
5
Quinary
310132041430
6
Senary
23323034302
8
Octal
1126436676
10
Decimal
156908990
12
Duodecimal
4466b992
16
Hexadecimal
95a3dbe
20
Vigesimal
290dc9a
36
Base36
2lf3r2
md5
5ac5792dd3e7370c35740ce32f65235a
sha1
83f0fd55b2ce7335f2f1b600bb2848aced182c19
sha256
cd2d6fa2aeb063780c0c7569ab01dc391e85b139909d2b3f96995b3f635df336
sha512
c6bc925539262f4e3019ec8c722cdbeeecd3cfc4bdb30736b5c3d7e98e9364548538bb3f4695ef3c1f9d1fa1a0af5d51a05c759ff4ecb403ff769bdc7c8b473c
ripemd-160
e6a99bc1361ee2ac15749579da8d03eeb76f92c2
Diameter
313817980
Circumference
985888260.53239
Area
7.7347365606497E+16
Volume
1.6181996021968E+25
Surface area
3.0938946242599E+17
Circumference
985888260.53239
Perimeter
627635960
Area
24620431142820100
Diagonal
221902821.71626
Surface area
147722586856920600
Volume
3.8631669839844E+24
Space diagonal
271774342.84432
Perimeter
470726970
Area
1.0660959410904E+16
Altitude
135887171.42216
Surface area
1.0660959410904E+16
Volume
4.5527859520523E+23
Height
73967607.238755