998131985768367840

Names of 998131985768367840

• Cardinal: 998131985768367840 can be written as Nine hundred ninety-eight quadrillion, one hundred thirty-one trillion, nine hundred eighty-five billion, seven hundred sixty-eight million, three hundred sixty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.9813198576836784 × 10¹⁷

Factors of 998131985768367840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 78448775481

Divisors of 998131985768367840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2039 2080 3120 4078 6117 6240 8156 10195 12234 16312 20390 24468 26507 30585 32624 40780 48936 53014 61170 65248 79521 81560 97872 106028 122340 132535 159042 163120 195744 212056 244680 265070 318084 326240 397605 424112 489360 530140 636168 795210 848224 978720 1060280 1272336 1590420 2120560 2544672 3180840 4241120 6361680 12723360 78448773419 156897546838 235346320257 313795093676 392243867095 470692640514 627590187352 784487734190 941385281028 1019834054447 1176731601285 1255180374704 1568975468380 1882770562056 2039668108894 2353463202570 2510360749408 3059502163341 3137950936760 3765541124112 4079336217788 4706926405140 5099170272235 6119004326682 6275901873520 7531082248224 8158672435576 9413852810280 10198340544470 12238008653364 12551803747040 15297510816705 16317344871152 18827705620560 20396681088940 24476017306728 30595021633410 32634689742304 37655411241120 40793362177880 48952034613456 61190043266820 81586724355760 97904069226912 122380086533640 159957049001341 163173448711520 244760173067280 319914098002682 479871147004023 489520346134560 639828196005364 799785245006705 959742294008046 1279656392010728 1599570490013410 1919484588016092 2079441637017433 2399355735020115 2559312784021456 3199140980026820 3838969176032184 4158883274034866 4798711470040230 5118625568042912 6238324911052299 6398281960053640 7677938352064368 8317766548069732 9597422940080460 10397208185087165 12476649822104598 12796563920107280 15355876704128736 16635533096139464 19194845880160920 20794416370174330 24953299644209196 25593127840214560 31191624555261495 33271066192278928 38389691760321840 41588832740348660 49906599288418392 62383249110522990 66542132384557856 76779383520643680 83177665480697320 99813198576836784 124766498221045980 166355330961394640 199626397153673568 249532996442091960 332710661922789280 499065992884183920 998131985768367840
• Sum of all divisors σ(n): 3387631416939302400
• Sum of proper divisors (its aliquot sum) s(n): 2389499431170934560
• 998131985768367840 is an abundant number, because the sum of its proper divisors (2389499431170934560) is greater than itself. Its abundance is 1391367445402566720

Bases of 998131985768367840

• Binary: 110111011010000100111100000010110010101011011100011011100000₂
• Hexadecimal: 0xDDA13C0B2ADC6E0
• Base-36: 7L009C3UB7XC

Squares and roots of 998131985768367840

• 998131985768367840 squared (998131985768367840²) is 996267461013905260289113937546265600
• 998131985768367840 cubed (998131985768367840³) is 994406419218219247135853563187204364371534999138304000
• The square root of 998131985768367840 is 999065556.2916618937
• The cube root of 998131985768367840 is 999376.9404668987

Scales and comparisons

• 998,131,985,768,367,840 seconds is equal to 31,737,509,722 years, 25 weeks, 2 days, 17 hours, 44 minutes.
• To count from 1 to 998,131,985,768,367,840 would take you about ninety-five billion, two hundred twelve million, five hundred twenty-nine thousand, one hundred sixty-seven 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 998131985768367840 cubic inches would be around 83281.4 feet tall.

Recreational maths with 998131985768367840

• 998131985768367840 backwards is 048763867589131899
• The number of decimal digits it has is: 18
• The sum of 998131985768367840's digits is 102
• More coming soon!