99681388 is an even 8-digits composite number following 99681387
and preceding 99681389 . In scientific notation, it is written as 9.9681388 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 49656240 positive integers (up to 99681388) that are relatively prime to 99681388.
99681388 has 12 divisors, whose sum is 175088032
The reverse of 99681388 is 88318699
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
ninety-nine million six hundred eighty-one thousand three hundred eighty-eight
Scientific notation
9.9681388 × 10^7
Engineering notation
9.9681388 × 10^6
Prime Factorization
2 × 2 × 271 × 91957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
49840694
Product of the distinct prime numbers
The prime factorization of 99681388 is 2 × 2 × 271 × 91957.
Since it has a total of 4 prime factors.
10 , 5 , 17 , 20 , 584 , 641 , 626 , 6198 , 98903 , 76087 , 786608 , 71038 , 2904535 , 1269428 , 67474238 , 89369495 , 435644621 , 496320267 , 2317114656 , 2855530166
n×2
199362776
n×3
299044164
n×4
398725552
n×5
498406940
n÷2
49840694
n÷3
33227129.333333
n÷3
24920347
n÷5
19936277.6
n2
9936379113606544
n3
9.9047206173851E+23
n4
9.8731629889316E+31
n5
9.8417059068693E+39
2 √n
9984.0566905442
3 √n
463.66540359387
4 √n
99.920251653727
5 √n
39.785316318405
1 , 2 , 4 , 271 , 542 , 1084 , 91957 , 183914 , 367828 , 24920347 , 49840694 , 99681388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99681387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99681388 can be divided by 12 positive divisors.
The sum of these divisors (counting 99681388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111100010000010001101100
3
Ternary
20221120100011021
4
Quaternary
11330100101230
5
Quinary
201004301023
6
Senary
13520303524
8
Octal
574202154
10
Decimal
99681388
12
Duodecimal
29471ba4
16
Hexadecimal
5f1046c
20
Vigesimal
1b30398
36
Base36
1ncing
md5
66d5d84d91d6a04dc5cf9e404f6a6ecc
sha1
ab82149de8e1ad1eceb1859fc01f81139595ecfd
sha256
7731c0a2ecd520138ce5f429eecea8cab1f97a74cb6fb9c34bdd8c336757bf91
sha512
ae879d6d25fba7ee191dfd0b0c1160cc7fd2753cd546585a5980c76e523f74fabd237382003ad9915a3595e5d45b5f989c79a1ff3cf20296549fd196f114c215
ripemd-160
e4baf18d41e36942f9b3db0b0fe28fa55991a1b9
Diameter
199362776
Circumference
626316632.48087
Area
3.1216055626589E+16
Volume
4.1488796703249E+24
Surface area
1.2486422250636E+17
Circumference
626316632.48087
Perimeter
398725552
Area
9936379113606544
Diagonal
140970770.82577
Surface area
59618274681639264
Volume
9.9047206173851E+23
Space diagonal
172653228.58499
Perimeter
299044164
Area
4.3025783670082E+15
Altitude
86326614.292493
Surface area
4.3025783670082E+15
Volume
1.1672825190519E+23
Height
46990256.941925