1991452684 is an even 10-digits composite number following 1991452683
and preceding 1991452685 . In scientific notation, it is written as 1.991452684 × 10^9.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 913273920 positive integers (up to 1991452684) that are relatively prime to 1991452684.
1991452684 has 24 divisors, whose sum is 3777043088
The reverse of 1991452684 is 4862541991
Previous prime number is 157
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion nine hundred ninety-one million four hundred fifty-two thousand six hundred eighty-four
Scientific notation
1.991452684 × 10^9
Engineering notation
1.991452684 × 10^9
Prime Factorization
2 × 2 × 13 × 157 × 243931
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
995726342 Product of the distinct prime numbers
The prime factorization of 1991452684 is 2 × 2 × 13 × 157 × 243931.
Since it has a total of 5 prime factors.
6 , 8 , 18 , 92 , 255 , 722 , 1307 , 6902 , 13709 , 8170 , 116128 , 702625 , 1126365 , 3421123 , 25163739 , 26006281 , 958619038 , 491825874 , 8117630507 , 4975364220
n×2
3982905368
n×3
5974358052
n×4
7965810736
n×5
9957263420
n÷2
995726342
n÷3
663817561.33333
n÷3
497863171
n÷5
398290536.8
n2
3965883792610803856
n3
7.8978699232269E+27
n4
1.5728234256493E+37
n5
3.1322034324674E+46
2 √n44625.695333518
3 √n1258.1236630944
4 √n211.24794752498
5 √n72.415910987357
1 , 2 , 4 , 13 , 26 , 52 , 157 , 314 , 628 , 2041 , 4082 , 8164 , 243931 , 487862 , 975724 , 3171103 , 6342206 , 12684412 , 38297167 , 76594334 , 153188668 , 497863171 , 995726342 , 1991452684
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1991452683 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991452684 can be divided by 24 positive divisors.
The sum of these divisors (counting 1991452684) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101100110010100000001100
3
Ternary
12010210021021111211
4
Quaternary
1312230302200030
5
Quinary
13034302441214
6
Senary
525335424204
8
Octal
16654624014
10
Decimal
1991452684
12
Duodecimal
476b25064
16
Hexadecimal
76b3280c
20
Vigesimal
1b26bbe4
36
Base36
wxnqq4
md5
b409a183c026c013dd4beb5ea9b17878
sha1
e944dc61f241bce238d74f2278995e78211a7e79
sha256
ff4995fda50d4a2e44f3657f8911b3bee7a975a749673dc062d868915f14536c
sha512
4ae8eb935a3aab7f74bcec8f7175259de91d3b64ff64de31dd35b689e48b67cfaf4c9b7ea690b6e69841ec24810ffe50272f1d1953697e9669b80e28613a93a7
ripemd-160
bc96100c71619f4075d322f652ced15ead3aa459
Diameter
3982905368
Circumference
12512666244.052
Area
1.2459191387857E+19
Volume
3.308252017309E+28
Surface area
4.9836765551428E+19
Circumference
12512666244.052
Perimeter
7965810736
Area
3965883792610803856
Diagonal
2816339394.5371
Surface area
2.3795302755665E+19
Volume
7.8978699232269E+27
Space diagonal
3449297229.5574
Perimeter
5974358052
Area
1.717278056429E+18
Altitude
1724648614.7787
Surface area
1.717278056429E+18
Volume
9.3077289660717E+26
Height
938779798.17903