156987994 is an even 9-digits composite number following 156987993
and preceding 156987995 . In scientific notation, it is written as 1.56987994 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors.
There are 74265984 positive integers (up to 156987994) that are relatively prime to 156987994.
156987994 has 16 divisors, whose sum is 248198400
The reverse of 156987994 is 499789651
Previous prime number is 4447
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred fifty-six million nine hundred eighty-seven thousand nine hundred ninety-four
Scientific notation
1.56987994 × 10^8
Engineering notation
1.56987994 × 10^6
Prime Factorization
2 × 19 × 4447 × 929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156987994
Product of the distinct prime numbers
The prime factorization of 156987994 is 2 × 19 × 4447 × 929.
Since it has a total of 4 prime factors.
8 , 3 , 64 , 78 , 652 , 231 , 1463 , 1882 , 19867 , 27562 , 712636 , 428981 , 4431931 , 3626427 , 72540258 , 71020468 , 919646064 , 332741143 , 9243973748 , 8098458190
n×2
313975988
n×3
470963982
n×4
627951976
n×5
784939970
n÷2
78493997
n÷3
52329331.333333
n÷3
39246998.5
n÷5
31397598.8
n2
24645230260144036
n3
3.8690052602081E+24
n4
6.0738737457552E+32
n5
9.5352525515537E+40
2 √n
12529.484985425
3 √n
539.45531955326
4 √n
111.9351820717
5 √n
43.56856821228
1 , 2 , 19 , 38 , 929 , 1858 , 4447 , 8894 , 17651 , 35302 , 84493 , 168986 , 4131263 , 8262526 , 78493997 , 156987994
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
-156987993
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 156987994 can be divided by 16 positive divisors.
The sum of these divisors (counting 156987994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110110111001001011010
3
Ternary
101221101211001011
4
Quaternary
21112313021122
5
Quinary
310142103434
6
Senary
23324444134
8
Octal
1126671132
10
Decimal
156987994
12
Duodecimal
446a964a
16
Hexadecimal
95b725a
20
Vigesimal
29139je
36
Base36
2lgspm
md5
bbbaa44363341fe13fea1dc688b1d63f
sha1
3ebdd77b97d0032b62273694c2dff9aa870405ef
sha256
d9edb4b24cc905eb522bee8758f4a73023bceea1da7d4ff5b05707eed5799c33
sha512
7da1db0dd133a8b37439cafa38dcc7f6d2e435461212202b0b38bb8c5bc0a02ceae28db77737e604384bcde3a3df4b244bed9f3341bd4d2433a9ac9440e7e80d
ripemd-160
62466f0f28b57d77603c0df315a3e1e94124a91d
Diameter
313975988
Circumference
986384657.3044
Area
7.7425274331297E+16
Volume
1.6206451336227E+25
Surface area
3.0970109732519E+17
Circumference
986384657.3044
Perimeter
627951976
Area
24645230260144036
Diagonal
222014550.24455
Surface area
147871381560864216
Volume
3.8690052602081E+24
Space diagonal
271911181.78632
Perimeter
470963982
Area
1.0671697743701E+16
Altitude
135955590.89316
Surface area
1.0671697743701E+16
Volume
4.559666426566E+23
Height
74004850.081515