990012124185

Names of 990012124185

• Cardinal: 990012124185 can be written as Nine hundred ninety billion, twelve million, one hundred twenty-four thousand, one hundred eighty-five.

Scientific notation

• Scientific notation: 9.90012124185 × 10¹¹

Factors of 990012124185

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2217

Divisors of 990012124185

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 15 17 21 35 49 51 71 85 105 119 147 213 245 255 355 357 497 595 735 833 1021 1065 1093 1207 1491 1785 2485 2499 3063 3279 3479 3621 4165 5105 5465 6035 7147 7455 7651 8449 10437 12495 15315 16395 17357 17395 18105 18581 21441 22953 25347 35735 38255 42245 50029 52071 52185 53557 55743 59143 72491 77603 86785 92905 107205 114765 121499 126735 130067 150087 160671 177429 217473 232809 250145 260355 267785 278715 295715 362455 364497 388015 390201 507437 543221 607495 650335 750435 803355 850493 887145 910469 1087365 1115953 1164045 1232347 1319251 1522311 1629663 1822485 1951005 2537185 2551479 2716105 2731407 3347859 3552059 3697041 3802547 3957753 4252465 4552345 5579765 6161735 6596255 7611555 7811671 8148315 8626429 9234757 10656177 11407641 12757395 13657035 16739295 17760295 18485205 18971201 19012735 19788765 23435013 25879287 27704271 39058355 43132145 46173785 53280885 54681697 56913603 57038205 60385003 64643299 79232663 94856005 117175065 129396435 132798407 138521355 164045091 181155009 193929897 237697989 273408485 284568015 301925015 323216495 396163315 398395221 554628641 663992035 820225455 905775045 929588849 969649485 1188489945 1346955271 1663885923 1991976105 2773143205 2788766547 3882400487 4040865813 4647944245 6734776355 8319429615 9428686897 11647201461 13943832735 19412002435 20204329065 28286060691 47143434485 58236007305 66000808279 141430303455 198002424837 330004041395 990012124185
• Sum of all divisors σ(n): 1982254063104
• Sum of proper divisors (its aliquot sum) s(n): 992241938919
• 990012124185 is an abundant number, because the sum of its proper divisors (992241938919) is greater than itself. Its abundance is 2229814734

Bases of 990012124185

• Binary: 1110011010000001010100100010110000011001₂
• Hexadecimal: 0xE681522C19
• Base-36: CMSZNNYX

Squares and roots of 990012124185

• 990012124185 squared (990012124185²) is 980124006033295861914225
• 990012124185 cubed (990012124185³) is 970334649177734992090272332518031625
• The square root of 990012124185 is 994993.5297201685
• The cube root of 990012124185 is 9966.5956196015

Scales and comparisons

• 990,012,124,185 seconds is equal to 31,479 years, 16 weeks, 5 days, 15 hours, 49 minutes, 45 seconds.
• To count from 1 to 990,012,124,185 would take you about sixty-two thousand, nine hundred fifty-eight 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 990012124185 cubic inches would be around 830.5 feet tall.

Recreational maths with 990012124185

• 990012124185 backwards is 581421210099
• The number of decimal digits it has is: 12
• The sum of 990012124185's digits is 42
• More coming soon!