85113521820

Names of 85113521820

• Cardinal: 85113521820 can be written as Eighty-five billion, one hundred thirteen million, five hundred twenty-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 8.511352182 × 10¹⁰

Factors of 85113521820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 720

Divisors of 85113521820

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 211 270 324 405 422 499 540 633 810 844 998 1055 1266 1497 1620 1899 1996 2110 2495 2532 2994 3165 3798 4220 4491 4990 5697 5988 6330 7485 7596 8982 9495 9980 11394 12660 13473 14970 17091 17964 18990 22455 22788 26946 28485 29940 34182 37980 40419 44910 53892 56970 67365 68364 80838 85455 89820 105289 113940 134730 161676 170910 202095 210578 249001 269460 315867 341820 404190 421156 498002 526445 631734 747003 808380 947601 996004 1052890 1245005 1263468 1494006 1579335 1895202 2105780 2241009 2490010 2842803 2988012 3158670 3735015 3790404 4482018 4738005 4980020 5685606 6317340 6723027 7470030 8528409 8964036 9476010 11205045 11371212 13446054 14214015 14940060 17056818 18952020 20169081 22410090 26892108 28428030 33615135 34113636 40338162 42642045 44820180 52539211 56856060 67230270 80676324 85284090 100845405 105078422 134460540 157617633 170568180 201690810 210156844 262696055 315235266 403381620 472852899 525392110 630470532 788088165 945705798 1050784220 1418558697 1576176330 1891411596 2364264495 2837117394 3152352660 4255676091 4728528990 5674234788 7092793485 8511352182 9457057980 14185586970 17022704364 21278380455 28371173940 42556760910 85113521820
• Sum of all divisors σ(n): 268808385384
• Sum of proper divisors (its aliquot sum) s(n): 183694863564
• 85113521820 is an abundant number, because the sum of its proper divisors (183694863564) is greater than itself. Its abundance is 98581341744

Bases of 85113521820

• Binary: 1001111010001001010010100011010011100₂
• Hexadecimal: 0x13D129469C
• Base-36: 133ME5R0

Squares and roots of 85113521820

• 85113521820 squared (85113521820²) is 7244311596603616112400
• 85113521820 cubed (85113521820³) is 616588873148400917873660972568000
• The square root of 85113521820 is 291742.2180967301
• The cube root of 85113521820 is 4398.7861978999

Scales and comparisons

• 85,113,521,820 seconds is equal to 2,706 years, 18 weeks, 4 hours, 57 minutes.
• To count from 1 to 85,113,521,820 would take you about five thousand, four hundred twelve 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 85113521820 cubic inches would be around 366.6 feet tall.

Recreational maths with 85113521820

• 85113521820 backwards is 02812531158
• 85113521820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 85113521820's digits is 36
• More coming soon!