155440194289004320

Names of 155440194289004320

• Cardinal: 155440194289004320 can be written as One hundred fifty-five quadrillion, four hundred forty trillion, one hundred ninety-four billion, two hundred eighty-nine million, four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.5544019428900432 × 10¹⁷

Factors of 155440194289004320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 207048510

Divisors of 155440194289004320

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 61 80 122 160 244 305 488 610 976 1220 1952 2440 4880 9760 76949 153898 307796 384745 615592 769490 1231184 1538980 2462368 3077960 4693889 6155920 9387778 12311840 18775556 23469445 37551112 46938890 75102224 93877780 150204448 187755560 206971493 375511120 413942986 751022240 827885972 1034857465 1655771944 2069714930 3311543888 4139429860 6623087776 8278859720 12625261073 16557719440 25250522146 33115438880 50501044292 63126305365 101002088584 126252610730 202004177168 252505221460 404008354336 505010442920 1010020885840 2020041771680 15926249414857 31852498829714 63704997659428 79631247074285 127409995318856 159262494148570 254819990637712 318524988297140 509639981275424 637049976594280 971501214306277 1274099953188560 1943002428612554 2548199906377120 3886004857225108 4857506071531385 7772009714450216 9715012143062770 15544019428900432 19430024286125540 31088038857800864 38860048572251080 77720097144502160 155440194289004320
• Sum of all divisors σ(n): 373252433673898800
• Sum of proper divisors (its aliquot sum) s(n): 217812239384894480
• 155440194289004320 is an abundant number, because the sum of its proper divisors (217812239384894480) is greater than itself. Its abundance is 62372045095890160

Bases of 155440194289004320

• Binary: 1000101000001111000000100001111100011010011110111100100000₂
• Hexadecimal: 0x2283C087C69EF20
• Base-36: 16IIY7GCSDGG

Squares and roots of 155440194289004320

• 155440194289004320 squared (155440194289004320²) is 24161654000603411218799656978662400
• 155440194289004320 cubed (155440194289004320³) is 3755692192197492741431663576866303397857181421568000
• The square root of 155440194289004320 is 394259044.6508542941
• The cube root of 155440194289004320 is 537676.5678161311

Scales and comparisons

• 155,440,194,289,004,320 seconds is equal to 4,942,517,370 years, 15 weeks, 4 days, 9 hours, 38 minutes, 40 seconds.
• To count from 1 to 155,440,194,289,004,320 would take you about fourteen billion, eight hundred twenty-seven million, five hundred fifty-two thousand, one hundred ten 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 155440194289004320 cubic inches would be around 44806.4 feet tall.

Recreational maths with 155440194289004320

• 155440194289004320 backwards is 023400982491044551
• 155440194289004320 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 155440194289004320's digits is 61
• More coming soon!