19949990137728

Names of 19949990137728

• Cardinal: 19949990137728 can be written as Nineteen trillion, nine hundred forty-nine billion, nine hundred ninety million, one hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9949990137728 × 10¹³

Factors of 19949990137728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 70738

Divisors of 19949990137728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 384 392 448 588 672 784 896 1176 1344 1568 2352 2688 3136 4704 6272 9408 18816 21569 43138 49157 64707 86276 98314 129414 147471 150983 172552 196628 258828 294942 301966 344099 345104 393256 452949 517656 589884 603932 688198 690208 786512 905898 1032297 1035312 1056881 1179768 1207864 1376396 1380416 1573024 1811796 2064594 2070624 2113762 2359536 2408693 2415728 2752792 2760832 3146048 3170643 3623592 4129188 4141248 4227524 4719072 4817386 4831456 5505584 6292096 6341286 7226079 7247184 8258376 8282496 8455048 9438144 9634772 9662912 11011168 12682572 14452158 14494368 16516752 16910096 18876288 19269544 19325824 22022336 25365144 28904316 28988736 33033504 33820192 38539088 44044672 50730288 57808632 57977472 66067008 67640384 77078176 101460576 115617264 132134016 135280768 154156352 202921152 231234528 308312704 405842304 462469056 924938112 1060267333 2120534666 3180801999 4241069332 6361603998 7421871331 8482138664 12723207996 14843742662 16964277328 22265613993 25446415992 29687485324 33928554656 44531227986 50892831984 51953099317 59374970648 67857109312 89062455972 101785663968 103906198634 118749941296 135714218624 155859297951 178124911944 203571327936 207812397268 237499882592 311718595902 356249823888 407142655872 415624794536 474999765184 623437191804 712499647776 831249589072 949999530368 1246874383608 1424999295552 1662499178144 2493748767216 2849998591104 3324998356288 4987497534432 6649996712576 9974995068864 19949990137728
• Sum of all divisors σ(n): 61648054808400
• Sum of proper divisors (its aliquot sum) s(n): 41698064670672
• 19949990137728 is an abundant number, because the sum of its proper divisors (41698064670672) is greater than itself. Its abundance is 21748074532944

Bases of 19949990137728

• Binary: 100100010010011111000000100110100111110000000₂
• Hexadecimal: 0x1224F8134F80
• Base-36: 72KWD18QO

Squares and roots of 19949990137728

• 19949990137728 squared (19949990137728²) is 398002106495444464409001984
• 19949990137728 cubed (19949990137728³) is 7940138099379086233919520684903185252352
• The square root of 19949990137728 is 4466541.1828089081
• The cube root of 19949990137728 is 27121.5326736241

Scales and comparisons

• 19,949,990,137,728 seconds is equal to 634,347 years, 50 weeks, 5 days, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 19,949,990,137,728 would take you about one million, five hundred eighty-five thousand, eight hundred sixty-nine 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 19949990137728 cubic inches would be around 2260.1 feet tall.

Recreational maths with 19949990137728

• 19949990137728 backwards is 82773109994991
• The number of decimal digits it has is: 14
• The sum of 19949990137728's digits is 78
• More coming soon!