1987072 is an even 7-digits composite number following 1987071
and preceding 1987073 . In scientific notation, it is written as 1.987072 × 10^6.
The sum of its digits is 34. It has a total of 10 prime factors and 20 positive divisors.
There are 993280 positive integers (up to 1987072) that are relatively prime to 1987072.
1987072 has 20 divisors, whose sum is 3971286
The reverse of 1987072 is 2707891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 34
Digital Root 7
Name
one million nine hundred eighty-seven thousand seventy-two
Scientific notation
1.987072 × 10^6
Engineering notation
1.987072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
7762
Product of the distinct prime numbers
The prime factorization of 1987072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3881.
Since it has a total of 10 prime factors.
9 , 8 , 71 , 54 , 447 , 328 , 9925 , 778 , 76263 , 23978 , 562490 , 486936 , 6843999 , 2055817 , 29604728 , 92514989 , 113993458 , 751101910 , 5100389843 , 7362401856
n×2
3974144
n×3
5961216
n×4
7948288
n×5
9935360
n÷2
993536
n÷3
662357.33333333
n÷3
496768
n÷5
397414.4
n2
3948455133184
n3
7845864638406197248
n4
1.5590297938767E+25
n5
3.0979044505782E+31
2 √n
1409.6354138571
3 √n
125.72004696147
4 √n
37.545111717201
5 √n
18.182044683811
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 3881 , 7762 , 15524 , 31048 , 62096 , 124192 , 248384 , 496768 , 993536 , 1987072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1987071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1987072 can be divided by 20 positive divisors.
The sum of these divisors (counting 1987072) is 1, the average is 0.05.
Base
System
Value
2
Binary
111100101001000000000
3
Ternary
10201221202021
4
Quaternary
13211020000
5
Quinary
1002041242
6
Senary
110331224
8
Octal
7451000
10
Decimal
1987072
12
Duodecimal
7b9b14
16
Hexadecimal
1e5200
20
Vigesimal
c87dc
36
Base36
16l8g
md5
ef34b9ec17e4c3ba3dda684167f7aaa8
sha1
1670a75dacb01f7bd34b3ae63683b6cab1406330
sha256
53e661386b0e6aa382549014c19fdd0ac16bdb37928c157b99d845e16c020b3f
sha512
c23d038c79a6a07d56add10e14de4ba63deb75ebc1a48233f9fd76654f240e4a5d7fcb1ce70db4326828beaade1eade800062c4dc2fe3d7e3b0655f99cb8c8e3
ripemd-160
93bec945778eea02aae3021cdde0a354ea6eaa59
Diameter
3974144
Circumference
12485141.594708
Area
12404437639440
Volume
3.2864680945436E+19
Surface area
49617750557759
Circumference
12485141.594708
Perimeter
7948288
Area
3948455133184
Diagonal
2810144.1718118
Surface area
23690730799104
Volume
7845864638406197248
Space diagonal
3441709.6622975
Perimeter
5961216
Area
1709731225520.2
Altitude
1720854.8311488
Surface area
1709731225520.2
Volume
9.2464401501479E+17
Height
936714.72393728