156987992 is an even 9-digits composite number following 156987991
and preceding 156987993 . In scientific notation, it is written as 1.56987992 × 10^8.
The sum of its digits is 56. It has a total of 5 prime factors and 16 positive divisors.
There are 67280544 positive integers (up to 156987992) that are relatively prime to 156987992.
156987992 has 16 divisors, whose sum is 336402960
The reverse of 156987992 is 299789651
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred fifty-six million nine hundred eighty-seven thousand nine hundred ninety-two
Scientific notation
1.56987992 × 10^8
Engineering notation
1.56987992 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 2803357
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39246998
Product of the distinct prime numbers
The prime factorization of 156987992 is 2 × 2 × 2 × 7 × 2803357.
Since it has a total of 5 prime factors.
6 , 3 , 69 , 77 , 913 , 827 , 874 , 5808 , 47490 , 89034 , 532581 , 84109 , 4711558 , 6072555 , 20227664 , 80873303 , 298837564 , 759208132 , 7610121066 , 2471431754
n×2
313975984
n×3
470963976
n×4
627951968
n×5
784939960
n÷2
78493996
n÷3
52329330.666667
n÷3
39246998
n÷5
31397598.4
n2
24645229632192064
n3
3.8690051123367E+24
n4
6.0738734362348E+32
n5
9.5352519441664E+40
2 √n
12529.484905614
3 √n
539.45531726241
4 √n
111.93518171519
5 √n
43.568568101269
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 2803357 , 5606714 , 11213428 , 19623499 , 22426856 , 39246998 , 78493996 , 156987992
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156987991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156987992 can be divided by 16 positive divisors.
The sum of these divisors (counting 156987992) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110110111001001011000
3
Ternary
101221101211001002
4
Quaternary
21112313021120
5
Quinary
310142103432
6
Senary
23324444132
8
Octal
1126671130
10
Decimal
156987992
12
Duodecimal
446a9648
16
Hexadecimal
95b7258
20
Vigesimal
29139jc
36
Base36
2lgspk
md5
1a713b09391fd936ad30c2be451bddc5
sha1
b697cf58dec90f7d0552aa58cacc7cafab2581b0
sha256
e6a7343831eebd4f137ed1ac9ff6c71a6b987e14887922fcf8d40d474a61993b
sha512
0a4c99f39ef3f09df5450672c8fc714136134a82c194a582b089ac930b902ca3a71053a952f2538d1de6610646073073513796ae02a387124599829321888510
ripemd-160
cefa0b28a567fd9db1a960ffd813fda57e96196a
Diameter
313975984
Circumference
986384644.73803
Area
7.7425272358528E+16
Volume
1.6206450716825E+25
Surface area
3.0970108943411E+17
Circumference
986384644.73803
Perimeter
627951968
Area
24645229632192064
Diagonal
222014547.41612
Surface area
147871377793152384
Volume
3.8690051123367E+24
Space diagonal
271911178.32222
Perimeter
470963976
Area
1.067169747179E+16
Altitude
135955589.16111
Surface area
1.067169747179E+16
Volume
4.5596662522979E+23
Height
74004849.138706