805403997090

Names of 805403997090

• Cardinal: 805403997090 can be written as Eight hundred five billion, four hundred three million, nine hundred ninety-seven thousand and ninety.

Scientific notation

• Scientific notation: 8.0540399709 × 10¹¹

Factors of 805403997090

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 57928

Divisors of 805403997090

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 90 99 105 110 126 135 154 165 189 198 210 231 270 297 315 330 378 385 462 495 594 630 677 693 770 945 990 1155 1354 1386 1485 1890 2031 2079 2310 2970 3385 3465 4062 4158 4739 6093 6770 6930 7447 9478 10155 10395 12186 14217 14894 18279 20310 20790 22341 23695 28434 30465 36558 37235 42651 44682 47390 52129 57223 60930 67023 71085 74470 85302 91395 104258 111705 114446 127953 134046 142170 156387 171669 182790 201069 213255 223410 255906 260645 286115 312774 335115 343338 400561 402138 426510 469161 515007 521290 572230 629453 639765 670230 781935 801122 858345 938322 1005345 1030014 1201683 1258906 1279530 1407483 1545021 1563870 1716690 1888359 2002805 2010690 2345805 2403366 2575035 2814966 3090042 3147265 3605049 3776718 4005610 4406171 4691610 5150070 5665077 6008415 6294530 7037415 7210098 7725105 8812342 9441795 10815147 11330154 12016830 13218513 14074830 15450210 16995231 18025245 18883590 21630294 22030855 26437026 28325385 33990462 36050490 38739971 39655539 44061710 54075735 56650770 66092565 77479942 79311078 84976155 108151470 116219913 118966617 132185130 169952310 193699855 198277695 232439826 237933234 271179797 348659739 387399710 396555390 426139681 542359594 581099565 594833085 697319478 813539391 852279362 1045979217 1162199130 1189666170 1278419043 1355898985 1627078782 1743298695 2091958434 2130698405 2440618173 2556838086 2711797970 2982977767 3486597390 3835257129 4067696955 4261396810 4881236346 5229896085 5965955534 6392095215 7321854519 7670514258 8135393910 8948933301 10459792170 11505771387 12203090865 12784190430 14643709038 14914888835 17897866602 19176285645 23011542774 24406181730 26846799903 29829777670 36609272595 38352571290 44744666505 53693599806 57528856935 73218545190 80540399709 89489333010 115057713870 134233999515 161080799418 268467999030 402701998545 805403997090
• Sum of all divisors σ(n): 2681708912640
• Sum of proper divisors (its aliquot sum) s(n): 1876304915550
• 805403997090 is an abundant number, because the sum of its proper divisors (1876304915550) is greater than itself. Its abundance is 1070900918460

Bases of 805403997090

• Binary: 1011101110000101110100011011001110100010₂
• Hexadecimal: 0xBB85D1B3A2
• Base-36: A9ZWQTGI

Squares and roots of 805403997090

• 805403997090 squared (805403997090²) is 648675598528548728468100
• 805403997090 cubed (805403997090³) is 522445919869641268385044812557829000
• The square root of 805403997090 is 897443.0327825829
• The cube root of 805403997090 is 9304.0333878333

Scales and comparisons

• 805,403,997,090 seconds is equal to 25,609 years, 18 weeks, 3 days, 12 hours, 31 minutes, 30 seconds.
• To count from 1 to 805,403,997,090 would take you about fifty-one thousand, two hundred eighteen 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 805403997090 cubic inches would be around 775.3 feet tall.

Recreational maths with 805403997090

• 805403997090 backwards is 090799304508
• 805403997090 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 805403997090's digits is 54
• More coming soon!