1681947991 (number)

1681947991 is an odd 10-digits prime number following 1681947990 and preceding 1681947992. In scientific notation, it is written as 1.681947991 × 10^9. The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors. There are 1681947990 positive integers (up to 1681947991) that are relatively prime to 1681947991.

Interesting facts

Basic properties

Name

Name one billion six hundred eighty-one million nine hundred forty-seven thousand nine hundred ninety-one

Notation

Scientific notation 1.681947991 × 10^9
Engineering notation 1.681947991 × 10^9

Prime Factorization of 1681947991

Prime Factorization 1681947991

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 1681947991
Product of the distinct prime numbers

The prime factorization of 1681947991 is 1681947991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 4, 57, 5, 154, 483, 5572, 8966, 71520, 30803, 5586, 869999, 825380, 7960870, 32469030, 81765355, 836458687, 326995990, 3123014775, 6210719510

Basic calculations (n = 1681947991)

Multiplication

n×y
n×2 3363895982
n×3 5045843973
n×4 6727791964
n×5 8409739955

Division

n÷y
n÷2 840973995.5
n÷3 560649330.33333
n÷3 420486997.75
n÷5 336389598.2

Exponentiation

ny
n2 2828949044428936081
n3 4.7581451619186E+27
n4 8.0029526959754E+36
n5 1.3460550209064E+46

Nth Root

y√n
2√n 41011.559236391
3√n 1189.2436855569
4√n 202.51310880136
5√n 70.01039250721

Divisors of 1681947991

1, 1681947991

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 1681947992
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 840973996
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 41011.559248583
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999988109
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1681947991 can be divided by 2 positive divisors. The sum of these divisors (counting 1681947991) is 1681947992, the average is 840973996.

Base conversion 1681947991

Base System Value
2 Binary 1100100010000000111110101010111
3 Ternary 11100012212210220001
4 Quaternary 1210100013311113
5 Quinary 11421034313431
6 Senary 434521552131
8 Octal 14420076527
10 Decimal 1681947991
12 Duodecimal 3ab345647
16 Hexadecimal 64407d57
20 Vigesimal 165c39jb
36 Base36 rtdzdj

Cryptographic Hash Functions

md5 4be41390934bba656bb9d2e825aa9324
sha1 41b27fbf63a60ce5c73c4bca2d423d601b0c24d3
sha256 7db7448f9d4524f17a4e3cc09e1d146cf94fcdb0c77d22db94cb76b163293b65
sha512 89000aa305a52f217b02c43a744ead0e031717c4b8677e2cba55a2071bcf504ae53a3e2243a1e57cdc53be2f1247f7b0aa6e1f629a268a4fedeeede7796aad6f
ripemd-160 67617d7d54443a6dcb1fd1bfea2fbe51d2013b36

1681947991 as geometric shapes

Circle

Radius = n
Diameter 3363895982
Circumference 10567990904.491
Area 8.8874055353578E+18

Sphere

Radius = n
Volume 1.9930871847196E+28
Surface area 3.5549622141431E+19
Circumference 10567990904.491

Square

Length = n
Perimeter 6727791964
Area 2828949044428936081
Diagonal 2378633660.0784

Cube

Length = n
Surface area 1.6973694266574E+19
Volume 4.7581451619186E+27
Space diagonal 2913219376.1004

Equilateral Triangle

Length = n
Perimeter 5045843973
Area 1.2249708692436E+18
Altitude 1456609688.0502

Triangular Pyramid

Length = n
Surface area 1.2249708692436E+18
Volume 5.607527849771E+26
Height 792877886.69279