81362425320

Names of 81362425320

• Cardinal: 81362425320 can be written as Eighty-one billion, three hundred sixty-two million, four hundred twenty-five thousand, three hundred twenty.

Scientific notation

• Scientific notation: 8.136242532 × 10¹⁰

Factors of 81362425320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2638

Divisors of 81362425320

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 132 135 165 180 198 216 220 264 270 297 330 360 396 440 495 540 594 660 792 990 1080 1188 1320 1485 1980 2376 2617 2970 3960 5234 5940 7851 10468 11880 13085 15702 20936 23553 26170 28787 31404 39255 47106 52340 57574 62808 70659 78510 86361 94212 104680 115148 117765 141318 143935 157020 172722 188424 230296 235530 259083 282636 287870 314040 345444 353295 431805 471060 518166 565272 575740 690888 706590 777249 863610 942120 1036332 1151480 1295415 1413180 1554498 1727220 2072664 2590830 2826360 3108996 3454440 3886245 5181660 6217992 6848689 7772490 10363320 13697378 15544980 20546067 27394756 31089960 34243445 41092134 54789512 61638201 68486890 75335579 82184268 102730335 123276402 136973780 150671158 164368536 184914603 205460670 226006737 246552804 273947560 301342316 308191005 369829206 376677895 410921340 452013474 493105608 602684632 616382010 678020211 739658412 753355790 821842680 904026948 924573015 1130033685 1232764020 1356040422 1479316824 1506711580 1808053896 1849146030 2034060633 2260067370 2465528040 2712080844 3013423160 3390101055 3698292060 4068121266 4520134740 5424161688 6780202110 7396584120 8136242532 9040269480 10170303165 13560404220 16272485064 20340606330 27120808440 40681212660 81362425320
• Sum of all divisors σ(n): 295976462400
• Sum of proper divisors (its aliquot sum) s(n): 214614037080
• 81362425320 is an abundant number, because the sum of its proper divisors (214614037080) is greater than itself. Its abundance is 133251611760

Bases of 81362425320

• Binary: 1001011110001100101000001010111101000₂
• Hexadecimal: 0x12F19415E8
• Base-36: 11DL3560

Squares and roots of 81362425320

• 81362425320 squared (81362425320²) is 6619844253952577102400
• 81362425320 cubed (81362425320³) is 538606583742247669315561992768000
• The square root of 81362425320 is 285240.9951602329
• The cube root of 81362425320 is 4333.1922923457

Scales and comparisons

• 81,362,425,320 seconds is equal to 2,587 years, 3 weeks, 5 days, 17 hours, 42 minutes.
• To count from 1 to 81,362,425,320 would take you about five thousand, one hundred seventy-four 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 81362425320 cubic inches would be around 361.1 feet tall.

Recreational maths with 81362425320

• 81362425320 backwards is 02352426318
• 81362425320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81362425320's digits is 36
• More coming soon!