7921690690 is an even 10-digits composite number following 7921690689
and preceding 7921690691 . In scientific notation, it is written as 7.921690690 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 3164454000 positive integers (up to 7921690690) that are relatively prime to 7921690690.
7921690690 has 16 divisors, whose sum is 14278043520
The reverse of 7921690690 is 0960961297
Previous prime number is 751
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
seven billion nine hundred twenty-one million six hundred ninety thousand six hundred ninety
Scientific notation
7.921690690 × 10^9
Engineering notation
7.921690690 × 10^9
Prime Factorization
2 × 5 × 751 × 1054819
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
7921690690 Product of the distinct prime numbers
The prime factorization of 7921690690 is 2 × 5 × 751 × 1054819.
Since it has a total of 4 prime factors.
8 , 6 , 78 , 82 , 40 , 266 , 2534 , 4726 , 75579 , 23992 , 502447 , 470900 , 5777540 , 977849 , 5928542 , 48447184 , 160046337 , 634982054 , 9840966444 , 9646492056
n×2
15843381380
n×3
23765072070
n×4
31686762760
n×5
39608453450
n÷2
3960845345
n÷3
2640563563.3333
n÷3
1980422672.5
n÷5
1584338138
n2
6.2753183388033E+19
n3
4.9711130861284E+29
n4
3.9379620253321E+39
n5
3.1195317113647E+49
2 √n89003.880196315
3 √n1993.4528147367
4 √n298.33518095645
5 √n95.447284296988
1 , 2 , 5 , 10 , 751 , 1502 , 3755 , 7510 , 1054819 , 2109638 , 5274095 , 10548190 , 792169069 , 1584338138 , 3960845345 , 7921690690
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
-7921690689 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 7921690690 can be divided by 16 positive divisors.
The sum of these divisors (counting 7921690690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000001010110110100001000010
3
Ternary
202110002001120201111
4
Quaternary
13120022312201002
5
Quinary
112210423100230
6
Senary
3350021153534
8
Octal
73012664102
10
Decimal
7921690690
12
Duodecimal
1650b5b8aa
16
Hexadecimal
1d82b6842
20
Vigesimal
63fab6ea
36
Base36
3n0dbnm
md5
c4b282930199a888ed1574b3336b456d
sha1
01d3110839c24fb4d31927239906dd0bb99532ad
sha256
d6b9839d7c4889381a10e3192aebdf4920494075a7bf9391e9d55f44a29abf92
sha512
aa1b9b8d9db37d2b8264bcaf5180eedc1c56a6fab517f242a2274fe67e42dd888afcc6a899acb56792a3405199030fac8e94392b6ca46db8746a35c5006ec0e6
ripemd-160
aa0d359c3d1e2c45063142cedc70e3dd8182f323
Diameter
15843381380
Circumference
49773450551.429
Area
1.9714493992122E+20
Volume
2.082294980206E+30
Surface area
7.8857975968487E+20
Circumference
49773450551.429
Perimeter
31686762760
Area
6.2753183388033E+19
Diagonal
11202962410.723
Surface area
3.765191003282E+20
Volume
4.9711130861284E+29
Space diagonal
13720770756.925
Perimeter
23765072070
Area
2.717292549119E+19
Altitude
6860385378.4627
Surface area
2.717292549119E+19
Volume
5.858512955411E+28
Height
3734320803.5742