3988385964981

Names of 3988385964981

• Cardinal: 3988385964981 can be written as Three trillion, nine hundred eighty-eight billion, three hundred eighty-five million, nine hundred sixty-four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 3.988385964981 × 10¹²

Factors of 3988385964981

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 132311

Divisors of 3988385964981

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 9 11 27 33 53 71 81 99 159 213 243 297 477 583 639 729 781 891 1431 1749 1917 2343 2673 3763 4293 5247 5751 7029 8019 11289 12879 15741 17253 21087 33867 38637 41393 47223 51759 63261 101601 124179 132173 141669 189783 304803 372537 396519 425007 569349 914409 1117611 1189557 1453903 2743227 3352833 3568671 4361709 7005169 9384283 10058499 10706013 13085127 21015507 28152849 30175497 32118039 39255381 63046521 77056859 84458547 96354117 103227113 117766143 189139563 231170577 253375641 309681339 353298429 497366999 567418689 693511731 760126923 929044017 1059895287 1492100997 1702256067 2080535193 2280380769 2787132051 4476302991 5106768201 5471036989 6241605579 6841142307 8361396153 13428908973 16413110967 18724816737 25084188459 40286726919 49239332901 56174450211 75252565377 120860180757 147717998703 362580542271 443153996109 1329461988327 3988385964981
• Sum of all divisors σ(n): 6740214187392
• Sum of proper divisors (its aliquot sum) s(n): 2751828222411
• 3988385964981 is a deficient number, because the sum of its proper divisors (2751828222411) is less than itself. Its deficiency is 1236557742570

Bases of 3988385964981

• Binary: 111010000010011110010101000010001110110101₂
• Hexadecimal: 0x3A09E5423B5
• Base-36: 1EW8M0YB9

Squares and roots of 3988385964981

• 3988385964981 squared (3988385964981²) is 15907222605657422558330361
• 3988385964981 cubed (3988385964981³) is 63444143382232556500211714617175088141
• The square root of 3988385964981 is 1997094.3805892099
• The cube root of 3988385964981 is 15858.6321835147

Scales and comparisons

• 3,988,385,964,981 seconds is equal to 126,818 years, 17 weeks, 3 days, 14 hours, 16 minutes, 21 seconds.
• To count from 1 to 3,988,385,964,981 would take you about three hundred seventeen thousand and forty-five 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 3988385964981 cubic inches would be around 1321.6 feet tall.

Recreational maths with 3988385964981

• 3988385964981 backwards is 1894695838893
• 3988385964981 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3988385964981's digits is 81
• More coming soon!