7661921 is an odd 7-digits composite number following 7661920
and preceding 7661922 . In scientific notation, it is written as 7.661921 × 10^6.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 6830208 positive integers (up to 7661921) that are relatively prime to 7661921.
7661921 has 16 divisors, whose sum is 8553600
The reverse of 7661921 is 1291667
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 32
Digital Root 5
Name
seven million six hundred sixty-one thousand nine hundred twenty-one
Scientific notation
7.661921 × 10^6
Engineering notation
7.661921 × 10^6
Prime Factorization
19 × 23 × 197 × 89
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7661921
Product of the distinct prime numbers
The prime factorization of 7661921 is 19 × 23 × 197 × 89.
Since it has a total of 4 prime factors.
4 , 2 , 95 , 32 , 500 , 261 , 1896 , 5662 , 18408 , 61984 , 188510 , 185343 , 8338660 , 5338248 , 94844680 , 87932322 , 379525101 , 787531854 , 1485881543 , 7167010146
n×2
15323842
n×3
22985763
n×4
30647684
n×5
38309605
n÷2
3830960.5
n÷3
2553973.6666667
n÷3
1915480.25
n÷5
1532384.2
n2
58705033410241
n3
4.4979332829163E+20
n4
3.4462809476975E+27
n5
2.6405132365063E+34
2 √n
2768.0175216208
3 √n
197.14202955714
4 √n
52.611952269621
5 √n
23.815929385657
1 , 19 , 23 , 89 , 197 , 437 , 1691 , 2047 , 3743 , 4531 , 17533 , 38893 , 86089 , 333127 , 403259 , 7661921
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
-7661920
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 7661921 can be divided by 16 positive divisors.
The sum of these divisors (counting 7661921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101001110100101100001
3
Ternary
112102021011212
4
Quaternary
131032211201
5
Quinary
3430140141
6
Senary
432115505
8
Octal
35164541
10
Decimal
7661921
12
Duodecimal
2695b95
16
Hexadecimal
74e961
20
Vigesimal
27heg1
36
Base36
4k7z5
md5
81559d6dece7556fc7b8f4c1dfcb1097
sha1
3b1ad2f4390a7ca94ab4c86f4363261a7ea7b683
sha256
b0a216412e557c8422439c33563db9eea5af1d9117c6c74b6afdce29eb03241c
sha512
be610e8c5ed7001b7efa8958c78833f5411c866effb44366b9f8c53266ac8d22ea096750ea432542fd4980d690a52aa902897c1c7759b23fa408b3d417421168
ripemd-160
331d125a7f338430066933d70cfa11ed37b10c5a
Diameter
15323842
Circumference
48141269.451971
Area
1.8442730169036E+14
Volume
1.8840898877262E+21
Surface area
7.3770920676143E+14
Circumference
48141269.451971
Perimeter
30647684
Area
58705033410241
Diagonal
10835592.592031
Surface area
352230200461446
Volume
4.4979332829163E+20
Space diagonal
13270836.455579
Perimeter
22985763
Area
25420025131641
Altitude
6635418.2277895
Surface area
25420025131641
Volume
5.3008652094579E+19
Height
3611864.1973437