81264318030

Names of 81264318030

• Cardinal: 81264318030 can be written as Eighty-one billion, two hundred sixty-four million, three hundred eighteen thousand and thirty.

Scientific notation

• Scientific notation: 8.126431803 × 10¹⁰

Factors of 81264318030

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19829

Divisors of 81264318030

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 49 57 63 70 90 95 98 105 114 126 133 147 171 190 210 245 266 285 294 315 342 343 399 441 490 570 630 665 686 735 798 855 882 931 1029 1197 1330 1470 1710 1715 1862 1995 2058 2205 2394 2401 2793 3087 3430 3990 4410 4655 4802 5145 5586 5985 6174 6517 7203 8379 9310 10290 11970 12005 13034 13965 14406 15435 16758 19551 19793 21609 24010 27930 30870 32585 36015 39102 39586 41895 43218 45619 58653 59379 65170 72030 83790 91238 97755 98965 108045 117306 118758 136857 138551 178137 195510 197930 216090 228095 273714 277102 293265 296895 356274 376067 410571 415653 456190 586530 593790 684285 692755 752134 821142 831306 890685 969857 1128201 1246959 1368570 1385510 1781370 1880335 1939714 2052855 2078265 2256402 2493918 2632469 2909571 3384603 3760670 4105710 4156530 4849285 5264938 5641005 5819142 6234795 6769206 6788999 7897407 8728713 9698570 11282010 12469590 13162345 13577998 14547855 15794814 16923015 17457426 18427283 20366997 23692221 26324690 29095710 33846030 33944995 36854566 39487035 40733994 43643565 47384442 47522993 55281849 61100991 67889990 78974070 87287130 92136415 95045986 101834985 110563698 118461105 122201982 128990981 142568979 165845547 184272830 203669970 236922210 237614965 257981962 276409245 285137958 305504955 331691094 386972943 427706937 475229930 552818490 611009910 644954905 712844895 773945886 829227735 855413874 902936867 1160918829 1289909810 1425689790 1658455470 1805873734 1934864715 2138534685 2321837658 2708810601 3869729430 4277069370 4514684335 5417621202 5804594145 8126431803 9029368670 11609188290 13544053005 16252863606 27088106010 40632159015 81264318030
• Sum of all divisors σ(n): 259473211920
• Sum of proper divisors (its aliquot sum) s(n): 178208893890
• 81264318030 is an abundant number, because the sum of its proper divisors (178208893890) is greater than itself. Its abundance is 96944575860

Bases of 81264318030

• Binary: 1001011101011101110110001011001001110₂
• Hexadecimal: 0x12EBBB164E
• Base-36: 11BYOD3I

Squares and roots of 81264318030

• 81264318030 squared (81264318030²) is 6603889384880983080900
• 81264318030 cubed (81264318030³) is 536660567207909282785306818627000
• The square root of 81264318030 is 285068.9706544717
• The cube root of 81264318030 is 4331.4499289407

Scales and comparisons

• 81,264,318,030 seconds is equal to 2,583 years, 49 weeks, 4 days, 5 hours, 40 minutes, 30 seconds.
• To count from 1 to 81,264,318,030 would take you about five thousand, one hundred sixty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 81264318030 cubic inches would be around 361 feet tall.

Recreational maths with 81264318030

• 81264318030 backwards is 03081346218
• The number of decimal digits it has is: 11
• The sum of 81264318030's digits is 36
• More coming soon!