Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

81998941 (number)

81998941 is an odd 8-digits composite number following 81998940 and preceding 81998942. In scientific notation, it is written as 8.1998941 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 81978912 positive integers (up to 81998941) that are relatively prime to 81998941.

Interesting facts

81998941 has 4 divisors, whose sum is 82018972
The reverse of 81998941 is 14989918
Previous prime number is 14293

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	eighty-one million nine hundred ninety-eight thousand nine hundred forty-one

Notation

Scientific notation	8.1998941 × 10^7
Engineering notation	8.1998941 × 10^6

Prime Factorization of 81998941

Prime Factorization 14293 × 5737

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81998941	Product of the distinct prime numbers

The prime factorization of 81998941 is 14293 × 5737. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 3, 64, 862, 641, 6741, 6931, 3695, 73573, 825645, 65881, 9970530, 5931961, 10834054, 34356928, 588895660, 165671449, 4230962480, 3843435241

Basic calculations (n = 81998941)

Multiplication

n×y

n×2	163997882
n×3	245996823
n×4	327995764
n×5	409994705

Division

n÷y

n÷2	40999470.5
n÷3	27332980.333333
n÷3	20499735.25
n÷5	16399788.2

Exponentiation

n^y

n²	6723826325121481
n³	5.5134663812788E+23
n⁴	4.5209840450397E+31
n⁵	3.7071590397115E+39

Nth Root

^y√n

²√n	9055.3266644556
³√n	434.44627832251
⁴√n	95.159480160705
⁵√n	38.261469751316

Divisors of 81998941

1, 5737, 14293, 81998941

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81998940	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81998941 can be divided by 4 positive divisors. The sum of these divisors (counting 81998941) is 1, the average is 0.25.

Base conversion 81998941

Base	System	Value
2	Binary	100111000110011010001011101
3	Ternary	12201021222101211
4	Quaternary	10320303101131
5	Quinary	131442431231
6	Senary	12045304421
8	Octal	470632135
10	Decimal	81998941
12	Duodecimal	23565111
16	Hexadecimal	4e3345d
20	Vigesimal	15c9h71
36	Base36	1ctisd

Cryptographic Hash Functions

md5	d5df7a30fdda69cdb364174183e0a4bf
sha1	c5181ecfc40f6e75d645a347d1b10afbfd8ae4bf
sha256	cd2860bef4d40ec1a5a9521db51deef8ca7c886a66255b3d6c343cb0a8dfc2bb
sha512	5a616149520b41ff0a851195a482f1c9c45c1d862b2966cbacffba967044ab6b1180f8ff3dbf32366f7a0b61af8594b54e09897bbb965fcb29c984379452b5f6
ripemd-160	fe2c968f966327a9e5c4a5bd355e33ee51c2a8d2

81998941 as geometric shapes

Circle

Radius = n

Diameter	163997882
Circumference	515214541.29549
Area	2.1123523387015E+16

Sphere

Radius = n

Volume	2.309475397232E+24
Surface area	8.4494093548061E+16
Circumference	515214541.29549

Square

Length = n

Perimeter	327995764
Area	6723826325121481
Diagonal	115964014.46243

Cube

Length = n

Surface area	40342957950728886
Volume	5.5134663812788E+23
Space diagonal	142026331.97884

Equilateral Triangle

Length = n

Perimeter	245996823
Area	2.9115022040949E+15
Altitude	71013165.989421

Triangular Pyramid

Length = n

Surface area	2.9115022040949E+15
Volume	6.4976824434105E+22
Height	38654671.487477