997988698091880

Names of 997988698091880

• Cardinal: 997988698091880 can be written as Nine hundred ninety-seven trillion, nine hundred eighty-eight billion, six hundred ninety-eight million, ninety-one thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 9.9798869809188 × 10¹⁴

Factors of 997988698091880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3890217

Divisors of 997988698091880

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1320 1980 3960 65899 131798 197697 263596 329495 395394 527192 593091 658990 724889 790788 988485 1186182 1317980 1449778 1581576 1976970 2174667 2372364 2635960 2899556 2965455 3624445 3824297 3953940 4349334 4744728 5799112 5930910 6524001 7248890 7648594 7907880 8698668 10873335 11472891 11861820 13048002 14497780 15297188 17397336 19121485 21746670 22945782 23723640 26096004 28995560 30594376 32620005 34418673 38242970 42067267 43493340 45891564 52192008 57364455 65240010 68837346 76485940 84134534 86986680 91783128 114728910 126201801 130480020 137674692 152971880 168269068 172093365 210336335 229457820 252403602 260960040 275349384 336538136 344186730 378605403 420672670 458915640 504807204 631009005 688373460 757210806 841345340 1009614408 1262018010 1376746920 1514421612 1682690680 1893027015 2524036020 3028843224 3786054030 5048072040 7572108060 15144216120 252017348003 504034696006 756052044009 1008069392012 1260086740015 1512104088018 2016138784024 2268156132027 2520173480030 2772190828033 3024208176036 3780260220045 4536312264054 5040346960060 5544381656066 6048416352072 7560520440090 8316572484099 9072624528108 10080693920120 11088763312132 11340780660135 13860954140165 15121040880180 16633144968198 18145249056216 22177526624264 22681561320270 24949717452297 27721908280330 30242081760360 33266289936396 41582862420495 45363122640540 49899434904594 55443816560660 66532579872792 83165724840990 90726245281080 99798869809188 110887633121320 124748587261485 166331449681980 199597739618376 249497174522970 332662899363960 498994349045940 997988698091880
• Sum of all divisors σ(n): 3538378184328000
• Sum of proper divisors (its aliquot sum) s(n): 2540389486236120
• 997988698091880 is an abundant number, because the sum of its proper divisors (2540389486236120) is greater than itself. Its abundance is 1542400788144240

Bases of 997988698091880

• Binary: 11100010111010101001011001110101101111000101101000₂
• Hexadecimal: 0x38BAA59D6F168
• Base-36: 9TR9OFJEY0

Squares and roots of 997988698091880

• 997988698091880 squared (997988698091880²) is 995981441519125607152921934400
• 997988698091880 cubed (997988698091880³) is 993978222145346081627781308992707878532672000
• The square root of 997988698091880 is 31590959.1195310181
• The cube root of 997988698091880 is 99932.9116045999

Scales and comparisons

• 997,988,698,091,880 seconds is equal to 31,732,953 years, 32 weeks, 19 hours, 18 minutes.
• To count from 1 to 997,988,698,091,880 would take you about seventy-nine million, three hundred thirty-two thousand, three hundred eighty-four 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 997988698091880 cubic inches would be around 8327.7 feet tall.

Recreational maths with 997988698091880

• 997988698091880 backwards is 088190896889799
• 997988698091880 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 997988698091880's digits is 99
• More coming soon!