3991057845672

Names of 3991057845672

• Cardinal: 3991057845672 can be written as Three trillion, nine hundred ninety-one billion, fifty-seven million, eight hundred forty-five thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.991057845672 × 10¹²

Factors of 3991057845672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1808131

Divisors of 3991057845672

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 19 24 38 47 57 76 94 103 114 141 152 188 206 228 282 309 376 412 456 564 618 824 893 1128 1236 1786 1957 2472 2679 3572 3914 4841 5358 5871 7144 7828 9682 10716 11742 14523 15656 19364 21432 23484 29046 38728 46968 58092 91979 116184 183958 275937 367916 551874 735832 1103748 1807957 2207496 3615914 5423871 7231828 10847742 14463656 21695484 34351183 43390968 68702366 84973979 103053549 137404732 169947958 186219571 206107098 254921937 274809464 339895916 372439142 412214196 509843874 558658713 679791832 744878284 824428392 1019687748 1117317426 1489756568 1614505601 2039375496 2234634852 3229011202 3538171849 4469269704 4843516803 6458022404 7076343698 8752319837 9687033606 10614515547 12916044808 14152687396 17504639674 19374067212 21229031094 26256959511 28305374792 35009279348 38748134424 42458062188 52513919022 70018558696 84916124376 105027838044 166294076903 210055676088 332588153806 498882230709 665176307612 997764461418 1330352615224 1995528922836 3991057845672
• Sum of all divisors σ(n): 10830391603200
• Sum of proper divisors (its aliquot sum) s(n): 6839333757528
• 3991057845672 is an abundant number, because the sum of its proper divisors (6839333757528) is greater than itself. Its abundance is 2848275911856

Bases of 3991057845672

• Binary: 111010000100111101100101011100110110101000₂
• Hexadecimal: 0x3A13D95CDA8
• Base-36: 1EXGSSMNC

Squares and roots of 3991057845672

• 3991057845672 squared (3991057845672²) is 15928542727500025769131584
• 3991057845672 cubed (3991057845672³) is 63571735422710655796474784477332904448
• The square root of 3991057845672 is 1997763.2106113077
• The cube root of 3991057845672 is 15862.1727063427

Scales and comparisons

• 3,991,057,845,672 seconds is equal to 126,903 years, 15 weeks, 2 days, 3 hours, 21 minutes, 12 seconds.
• To count from 1 to 3,991,057,845,672 would take you about three hundred seventeen thousand, two 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 3991057845672 cubic inches would be around 1321.8 feet tall.

Recreational maths with 3991057845672

• 3991057845672 backwards is 2765487501993
• The number of decimal digits it has is: 13
• The sum of 3991057845672's digits is 66
• More coming soon!