1991232744 is an even 10-digits composite number following 1991232743
and preceding 1991232745 . In scientific notation, it is written as 1.991232744 × 10^9.
The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors.
There are 663744240 positive integers (up to 1991232744) that are relatively prime to 1991232744.
1991232744 has 16 divisors, whose sum is 4978081920
The reverse of 1991232744 is 4472321991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion nine hundred ninety-one million two hundred thirty-two thousand seven hundred forty-four
Scientific notation
1.991232744 × 10^9
Engineering notation
1.991232744 × 10^9
Prime Factorization
2 × 2 × 2 × 3 × 82968031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
497808186
Product of the distinct prime numbers
The prime factorization of 1991232744 is 2 × 2 × 2 × 3 × 82968031.
Since it has a total of 5 prime factors.
3 , 6 , 37 , 81 , 154 , 491 , 1826 , 7315 , 8716 , 64893 , 461249 , 984252 , 7675330 , 7281257 , 78483939 , 80771392 , 478790791 , 848215454 , 5207600884 , 4079018545
n×2
3982465488
n×3
5973698232
n×4
7964930976
n×5
9956163720
n÷2
995616372
n÷3
663744248
n÷3
497808186
n÷5
398246548.8
n2
3965007840777769536
n3
7.8952534427734E+27
n4
1.5721287177429E+37
n5
3.1304741805524E+46
2 √n
44623.230990147
3 √n
1258.0773448283
4 √n
211.24211462241
5 √n
72.414311365207
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 82968031 , 165936062 , 248904093 , 331872124 , 497808186 , 663744248 , 995616372 , 1991232744
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
-1991232743
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 1991232744 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991232744) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101011111100110011101000
3
Ternary
12010202212002210220
4
Quaternary
1312223330303220
5
Quinary
13034223421434
6
Senary
525331010040
8
Octal
16653746350
10
Decimal
1991232744
12
Duodecimal
476a39920
16
Hexadecimal
76afcce8
20
Vigesimal
1b2541h4
36
Base36
wxj10o
md5
ddfa3e1e801ab689a1ee3451b220cbda
sha1
ddcf8fd176a3ebb60eec129049254a269993614a
sha256
4720874ec961dd5fd84d81dd94809532b1271a3285e5a4dfffaae073c6be52fc
sha512
e7df22696736d31f91fd080e79ae56ce44b83092708cb5b539894c5a0fe233d390b3abd8d9e1f6a2cca6e1f34de99fe8ac399b56e3c75078034819236d229cb6
ripemd-160
073446a1e6f39df0cfe94e62950e193c963e9fb5
Diameter
3982465488
Circumference
12511284320.276
Area
1.2456439504013E+19
Volume
3.3071560285395E+28
Surface area
4.9825758016053E+19
Circumference
12511284320.276
Perimeter
7964930976
Area
3965007840777769536
Diagonal
2816028352.4062
Surface area
2.3790047044667E+19
Volume
7.8952534427734E+27
Space diagonal
3448916282.3028
Perimeter
5973698232
Area
1.716898758159E+18
Altitude
1724458141.1514
Surface area
1.716898758159E+18
Volume
9.3046454142859E+26
Height
938676117.46873