1991239904 (number)

1991239904 is an even 10-digits composite number following 1991239903 and preceding 1991239905. In scientific notation, it is written as 1.991239904 × 10^9. The sum of its digits is 47. It has a total of 8 prime factors and 48 positive divisors. There are 943557120 positive integers (up to 1991239904) that are relatively prime to 1991239904.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million two hundred thirty-nine thousand nine hundred four

Notation

Scientific notation 1.991239904 × 10^9
Engineering notation 1.991239904 × 10^9

Prime Factorization of 1991239904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 23 × 109 × 24821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 124452494
Product of the distinct prime numbers

The prime factorization of 1991239904 is 2 × 2 × 2 × 2 × 2 × 23 × 109 × 24821. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 3, 48, 11, 561, 904, 7249, 7683, 80596, 63156, 850610, 910240, 128498, 5409787, 12094407, 69630652, 350318716, 392610048, 8332705375, 413190684

Basic calculations (n = 1991239904)

Multiplication

n×y
n×2 3982479808
n×3 5973719712
n×4 7964959616
n×5 9956199520

Division

n÷y
n÷2 995619952
n÷3 663746634.66667
n÷3 497809976
n÷5 398247980.8

Exponentiation

ny
n2 3965036355281929216
n3 7.8953386114481E+27
n4 1.5721513298707E+37
n5 3.1305304631653E+46

Nth Root

y√n
2√n 44623.311217345
3√n 1258.0788527423
4√n 211.24230451627
5√n 72.414363442065

Divisors of 1991239904

1, 2, 4, 8, 16, 23, 32, 46, 92, 109, 184, 218, 368, 436, 736, 872, 1744, 2507, 3488, 5014, 10028, 20056, 24821, 40112, 49642, 80224, 99284, 198568, 397136, 570883, 794272, 1141766, 2283532, 2705489, 4567064, 5410978, 9134128, 10821956, 18268256, 21643912, 43287824, 62226247, 86575648, 124452494, 248904988, 497809976, 995619952, 1991239904

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991239903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991239904 can be divided by 48 positive divisors. The sum of these divisors (counting 1991239904) is 1, the average is 0.020833333333333.

Base conversion 1991239904

Base System Value
2 Binary 1110110101011111110100011100000
3 Ternary 12010202212110122002
4 Quaternary 1312223332203200
5 Quinary 13034224134104
6 Senary 525331103132
8 Octal 16653764340
10 Decimal 1991239904
12 Duodecimal 476a41aa8
16 Hexadecimal 76afe8e0
20 Vigesimal 1b254jf4
36 Base36 wxj6jk

Cryptographic Hash Functions

md5 655a12897cd553e542918547845c8ffa
sha1 4c003da00011fe33aa89409f9b693320a85421ae
sha256 d3702c1a5f0347f8ee4d7aa20fbcbf2b69c80149a05b9afb3432ffd54ae532c5
sha512 b9da6b36879b23a04fec7234c713ba802c3d907bcc2e181adc732a7792fb45bd3fa8930333bb2d0cab49058ddb4c80acdd8d51a2538d7272af72d0246c67d6e1
ripemd-160 b2d7349c1d399e26f9a0e8f3dcdedda0bee11825

1991239904 as geometric shapes

Circle

Radius = n
Diameter 3982479808
Circumference 12511329307.882
Area 1.245652908497E+19

Sphere

Radius = n
Volume 3.3071917039106E+28
Surface area 4.9826116339881E+19
Circumference 12511329307.882

Square

Length = n
Perimeter 7964959616
Area 3965036355281929216
Diagonal 2816038478.1753

Cube

Length = n
Surface area 2.3790218131692E+19
Volume 7.8953386114481E+27
Space diagonal 3448928683.7866

Equilateral Triangle

Length = n
Perimeter 5973719712
Area 1.7169111053015E+18
Altitude 1724464341.8933

Triangular Pyramid

Length = n
Surface area 1.7169111053015E+18
Volume 9.3047457865316E+26
Height 938679492.7251