156985688 is an even 9-digits composite number following 156985687
and preceding 156985689 . In scientific notation, it is written as 1.56985688 × 10^8.
The sum of its digits is 56. It has a total of 5 prime factors and 16 positive divisors.
There are 78120000 positive integers (up to 156985688) that are relatively prime to 156985688.
156985688 has 16 divisors, whose sum is 295746360
The reverse of 156985688 is 886589651
Previous prime number is 211
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-five thousand six hundred eighty-eight
Scientific notation
1.56985688 × 10^8
Engineering notation
1.56985688 × 10^6
Prime Factorization
2 × 2 × 2 × 211 × 93001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39246422
Product of the distinct prime numbers
The prime factorization of 156985688 is 2 × 2 × 2 × 211 × 93001.
Since it has a total of 5 prime factors.
5 , 7 , 47 , 74 , 319 , 302 , 327 , 732 , 5626 , 26778 , 846174 , 235792 , 7575470 , 5530055 , 66604203 , 72613526 , 904151594 , 486836615 , 9282012867 , 115166388
n×2
313971376
n×3
470957064
n×4
627942752
n×5
784928440
n÷2
78492844
n÷3
52328562.666667
n÷3
39246422
n÷5
31397137.6
n2
24644506236833344
n3
3.8688347670096E+24
n4
6.0735168765732E+32
n5
9.5345522544845E+40
2 √n
12529.392962151
3 √n
539.45267818342
4 √n
111.93477101487
5 √n
43.568440215602
1 , 2 , 4 , 8 , 211 , 422 , 844 , 1688 , 93001 , 186002 , 372004 , 744008 , 19623211 , 39246422 , 78492844 , 156985688
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
-156985687
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 156985688 can be divided by 16 positive divisors.
The sum of these divisors (counting 156985688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110110110100101011000
3
Ternary
101221101200212202
4
Quaternary
21112312211120
5
Quinary
310142020223
6
Senary
23324425332
8
Octal
1126664530
10
Decimal
156985688
12
Duodecimal
446a8248
16
Hexadecimal
95b6958
20
Vigesimal
2913448
36
Base36
2lgqxk
md5
3f0a681a96a2f52d3551eeb86d813ba8
sha1
f212cc93d01923d95495213fb98c564c345b5df6
sha256
672b89ab13f7cb70a92ca3b2093b9793f63d595eb63ed25f887d51b49a0d39c7
sha512
32ef46053ab83af7be6256f46ec58ab6d2f9284084d1eb29866db544eaa3e3a359a21b055e5989a9d68bbbc8959eb2f28721ae3301c57d3e7d40b04dfd6e96b4
ripemd-160
97d0a7f55c37cf4e42b3da8132ea4b33f0bd285b
Diameter
313971376
Circumference
986370168.27908
Area
7.7422999744983E+16
Volume
1.6205737175987E+25
Surface area
3.0969199897993E+17
Circumference
986370168.27908
Perimeter
627942752
Area
24644506236833344
Diagonal
222011289.06807
Surface area
147867037421000064
Volume
3.8688347670096E+24
Space diagonal
271907187.67716
Perimeter
470957064
Area
1.0671384232411E+16
Altitude
135953593.83858
Surface area
1.0671384232411E+16
Volume
4.5594654984046E+23
Height
74003763.02269