19988964144981

Names of 19988964144981

• Cardinal: 19988964144981 can be written as Nineteen trillion, nine hundred eighty-eight billion, nine hundred sixty-four million, one hundred forty-four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.9988964144981 × 10¹³

Factors of 19988964144981

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1155

Divisors of 19988964144981

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 9 13 17 29 39 51 87 117 153 169 221 261 377 493 507 663 841 1093 1131 1479 1521 1989 2523 2873 3279 3393 4437 4901 6409 7569 8619 9837 10933 14209 14297 14703 18581 19227 24389 25857 31697 32799 42627 42891 44109 55743 57681 73167 83317 95091 98397 127881 128673 142129 167229 184717 185861 219501 241553 249951 285273 317057 412061 414613 426387 538849 554151 557583 707281 724659 749853 919213 951171 1236183 1243839 1279161 1616547 1662453 1672749 2121843 2173977 2416193 2757639 2853513 3140189 3708549 3731517 4121741 4849641 5356793 5389969 6365529 7005037 7248579 8272917 9194653 9420567 11949769 12023777 12365223 15626621 16070379 16169907 21015111 21745737 26657177 27583959 28261701 35849307 36071331 37095669 46879863 48211137 48509721 63045333 70069597 79971531 82751877 91065481 107547921 108213993 119530489 140639589 155346997 156309101 203146073 210208791 239914593 273196443 346543301 358591467 453172009 466040991 468927303 609438219 630626373 773058133 819589329 1039629903 1075774401 1359516027 1398122973 1406781909 1828314657 2032018313 2319174399 2640898949 3118889709 4078548081 4505062913 5891236117 6096054939 6957523197 7922696847 10049755729 13141988261 13515188739 17673708351 18288164817 23768090541 30149267187 39425964783 40545566217 53021125053 76586069521 90447801561 118277894349 130646824477 170845847393 229758208563 391940473431 512537542179 689274625689 1175821420293 1537612626537 2220996016109 6662988048327 19988964144981
• Sum of all divisors σ(n): 34317544547988
• Sum of proper divisors (its aliquot sum) s(n): 14328580403007
• 19988964144981 is a deficient number, because the sum of its proper divisors (14328580403007) is less than itself. Its deficiency is 5660383741974

Bases of 19988964144981

• Binary: 100100010111000001011000110110111011101010101₂
• Hexadecimal: 0x122E0B1B7755
• Base-36: 732SX5H79

Squares and roots of 19988964144981

• 19988964144981 squared (19988964144981²) is 399558687589336000387490361
• 19988964144981 cubed (19988964144981³) is 7986764280038902181039053548554744028141
• The square root of 19988964144981 is 4470901.9386451547
• The cube root of 19988964144981 is 27139.1825941513

Scales and comparisons

• 19,988,964,144,981 seconds is equal to 635,587 years, 11 weeks, 6 days, 16 hours, 16 minutes, 21 seconds.
• To count from 1 to 19,988,964,144,981 would take you about one million, five hundred eighty-eight thousand, nine hundred sixty-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 19988964144981 cubic inches would be around 2261.6 feet tall.

Recreational maths with 19988964144981

• 19988964144981 backwards is 18944146988991
• The number of decimal digits it has is: 14
• The sum of 19988964144981's digits is 81
• More coming soon!