1991231072 (number)

1991231072 is an even 10-digits composite number following 1991231071 and preceding 1991231073. In scientific notation, it is written as 1.991231072 × 10^9. The sum of its digits is 35. It has a total of 8 prime factors and 48 positive divisors. There are 926576640 positive integers (up to 1991231072) that are relatively prime to 1991231072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991231072 × 10^9
Engineering notation 1.991231072 × 10^9

Prime Factorization of 1991231072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 23 × 37 × 73121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 124451942
Product of the distinct prime numbers

The prime factorization of 1991231072 is 2 × 2 × 2 × 2 × 2 × 23 × 37 × 73121. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 4, 82, 81, 985, 454, 6016, 4591, 9939, 61774, 974773, 986437, 3179565, 8183183, 31982559, 50297373, 215048459, 515354706, 4860726717, 4911412381

Basic calculations (n = 1991231072)

Multiplication

n×y
n×2 3982462144
n×3 5973693216
n×4 7964924288
n×5 9956155360

Division

n÷y
n÷2 995615536
n÷3 663743690.66667
n÷3 497807768
n÷5 398246214.4

Exponentiation

ny
n2 3965001182098269184
n3 7.8952335543108E+27
n4 1.5721234374041E+37
n5 3.1304610375784E+46

Nth Root

y√n
2√n 44623.212255507
3√n 1258.0769927004
4√n 211.24207027841
5√n 72.414299204221

Divisors of 1991231072

1, 2, 4, 8, 16, 23, 32, 37, 46, 74, 92, 148, 184, 296, 368, 592, 736, 851, 1184, 1702, 3404, 6808, 13616, 27232, 73121, 146242, 292484, 584968, 1169936, 1681783, 2339872, 2705477, 3363566, 5410954, 6727132, 10821908, 13454264, 21643816, 26908528, 43287632, 53817056, 62225971, 86575264, 124451942, 248903884, 497807768, 995615536, 1991231072

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 -1991231071
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 1991231072 can be divided by 48 positive divisors. The sum of these divisors (counting 1991231072) is 1, the average is 0.020833333333333.

Base conversion 1991231072

Base System Value
2 Binary 1110110101011111100011001100000
3 Ternary 12010202212000111222
4 Quaternary 1312223330121200
5 Quinary 13034223343242
6 Senary 525330554212
8 Octal 16653743140
10 Decimal 1991231072
12 Duodecimal 476a38968
16 Hexadecimal 76afc660
20 Vigesimal 1b253hdc
36 Base36 wxizq8

Cryptographic Hash Functions

md5 1882ef9cb4d8c886990d59c46dddbbd1
sha1 12fcc01e37b634d6c8b0e1ea1706266e9c46143d
sha256 04b033ce33bd2631bae6db090fcf5af11c09539f87cfd4719310a08e8add46e8
sha512 63e556319257adcb8b2354f659ac94c650dd45e8beea60fede98c794c71816deb2ce91a632bb755d96575492012076cf2c5015ef567a04e095f9ed56372573e3
ripemd-160 f12b17b1af9dd701142541426915e6a66a97e320

1991231072 as geometric shapes

Circle

Radius = n
Diameter 3982462144
Circumference 12511273814.79
Area 1.2456418585155E+19

Sphere

Radius = n
Volume 3.3071476976798E+28
Surface area 4.9825674340619E+19
Circumference 12511273814.79

Square

Length = n
Perimeter 7964924288
Area 3965001182098269184
Diagonal 2816025987.8411

Cube

Length = n
Surface area 2.379000709259E+19
Volume 7.8952335543108E+27
Space diagonal 3448913386.3138

Equilateral Triangle

Length = n
Perimeter 5973693216
Area 1.7168958748662E+18
Altitude 1724456693.1569

Triangular Pyramid

Length = n
Surface area 1.7168958748662E+18
Volume 9.3046219755079E+26
Height 938675329.28037