1997396911681731

Names of 1997396911681731

• Cardinal: 1997396911681731 can be written as One quadrillion, nine hundred ninety-seven trillion, three hundred ninety-six billion, nine hundred eleven million, six hundred eighty-one thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 1.997396911681731 × 10¹⁵

Factors of 1997396911681731

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6274

Divisors of 1997396911681731

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 49 63 147 211 343 441 633 1029 1477 1899 2401 3087 4431 6053 7203 10339 13293 16807 18159 21609 31017 42371 44521 50421 54477 72373 93051 117649 127113 133563 151263 217119 296597 311647 352947 381339 400689 506611 651357 823543 889791 934941 1058841 1277183 1519833 2076179 2181529 2470629 2669373 2804823 3546277 3831549 4559499 6228537 6544587 7411887 8940281 10638831 11494647 14533253 15270703 18685611 19633761 24823939 26820843 31916493 43599759 45812109 62581967 74471817 80462529 101732771 106894921 130799277 137436327 173767573 187745901 223415451 269485613 305198313 320684763 438073769 521302719 563237703 712129397 748264447 808456839 915594939 962054289 1314221307 1563908157 1886399291 2136388191 2244793341 2425370517 3066516383 3942663921 4984905779 5237851129 5659197873 6409164573 6734380023 9199549149 13204795037 14954717337 15713553387 16977593619 21465614681 27598647447 36664957903 39614385111 44864152011 47140660161 64396844043 92433565259 109994873709 118843155333 150259302767 193190532129 277300695777 329984621127 450777908301 647034956813 831902087331 1051815119369 1352333724903 1941104870439 3155445358107 4529244697691 5823314611317 9466336074321 13587734093073 31704712883837 40763202279219 95114138651511 221932990186859 285342415954533 665798970560577 1997396911681731
• Sum of all divisors σ(n): 3382569964612800
• Sum of proper divisors (its aliquot sum) s(n): 1385173052931069
• 1997396911681731 is a deficient number, because the sum of its proper divisors (1385173052931069) is less than itself. Its deficiency is 612223858750662

Bases of 1997396911681731

• Binary: 111000110001001111100110101011001010111000011000011₂
• Hexadecimal: 0x7189F356570C3
• Base-36: JO0NH1YE2R

Squares and roots of 1997396911681731

• 1997396911681731 squared (1997396911681731²) is 3989594422795716708530639156361
• 1997396911681731 cubed (1997396911681731³) is 7968803578954822733097132747194408563576140891
• The square root of 1997396911681731 is 44692246.6618286153
• The cube root of 1997396911681731 is 125937.4198281213

Scales and comparisons

• 1,997,396,911,681,731 seconds is equal to 63,511,043 years, 22 weeks, 5 days, 3 hours, 8 minutes, 51 seconds.
• To count from 1 to 1,997,396,911,681,731 would take you about one hundred ninety million, five hundred thirty-three thousand, one hundred thirty 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 1997396911681731 cubic inches would be around 10494.8 feet tall.

Recreational maths with 1997396911681731

• 1997396911681731 backwards is 1371861196937991
• The number of decimal digits it has is: 16
• The sum of 1997396911681731's digits is 81
• More coming soon!