997745738220

Names of 997745738220

• Cardinal: 997745738220 can be written as Nine hundred ninety-seven billion, seven hundred forty-five million, seven hundred thirty-eight thousand, two hundred twenty.

Scientific notation

• Scientific notation: 9.9774573822 × 10¹¹

Factors of 997745738220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2666229

Divisors of 997745738220

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 54 55 60 63 66 70 77 81 84 90 99 105 108 110 126 132 135 140 154 162 165 180 189 198 210 220 231 243 252 270 297 308 315 324 330 378 385 396 405 420 462 486 495 540 567 594 630 660 693 756 770 810 891 924 945 972 990 1134 1155 1188 1215 1260 1386 1485 1540 1620 1701 1782 1890 1980 2079 2268 2310 2430 2673 2772 2835 2970 3402 3465 3564 3780 4158 4455 4620 4860 5346 5670 5940 6237 6804 6930 8316 8505 8910 10395 10692 11340 12474 13365 13860 17010 17820 18711 20790 24948 26730 31185 34020 37422 41580 53460 62370 74844 93555 124740 187110 374220 2666201 5332402 7998603 10664804 13331005 15997206 18663407 23995809 26662010 29328211 31994412 37326814 39993015 47991618 53324020 55990221 58656422 71987427 74653628 79986030 87984633 93317035 95983236 111980442 117312844 119979045 143974854 146641055 159972060 167970663 175969266 186634070 205297477 215962281 223960884 239958090 263953899 279951105 287949708 293282110 335941326 351938532 359937135 373268140 410594954 431924562 439923165 479916180 503911989 527907798 559902210 586564220 615892431 647886843 671882652 719874270 791861697 821189908 839853315 863849124 879846330 1007823978 1026487385 1055815596 1079811405 1119804420 1231784862 1295773686 1319769495 1439748540 1511735967 1583723394 1679706630 1759692660 1847677293 2015647956 2052974770 2159622810 2375585091 2463569724 2519559945 2591547372 2639538990 3023471934 3079462155 3167446788 3239434215 3359413260 3695354586 3959308485 4105949540 4319245620 4535207901 4751170182 5039119890 5279077980 5543031879 6046943868 6158924310 6478868430 7126755273 7390709172 7558679835 7918616970 9070415802 9238386465 9502340364 10078239780 11086063758 11877925455 12317848620 12957736860 14253510546 15117359670 15837233940 16629095637 18140831604 18476772930 22172127516 22676039505 23755850910 27715159395 28507021092 30234719340 33258191274 35633776365 36953545860 45352079010 47511701820 49887286911 55430318790 66516382548 71267552730 83145478185 90704158020 99774573822 110860637580 142535105460 166290956370 199549147644 249436434555 332581912740 498872869110 997745738220
• Sum of all divisors σ(n): 3913046032896
• Sum of proper divisors (its aliquot sum) s(n): 2915300294676
• 997745738220 is an abundant number, because the sum of its proper divisors (2915300294676) is greater than itself. Its abundance is 1917554556456

Bases of 997745738220

• Binary: 1110100001001110010001111100000111101100₂
• Hexadecimal: 0xE84E47C1EC
• Base-36: CQCW1UR0

Squares and roots of 997745738220

• 997745738220 squared (997745738220²) is 995496558136172768768400
• 997745738220 cubed (997745738220³) is 993252448293044846460288618208248000
• The square root of 997745738220 is 998872.2331810009
• The cube root of 997745738220 is 9992.4801406557

Scales and comparisons

• 997,745,738,220 seconds is equal to 31,725 years, 11 weeks, 6 days, 1 hour, 57 minutes.
• To count from 1 to 997,745,738,220 would take you about sixty-three thousand, four hundred fifty 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 997745738220 cubic inches would be around 832.7 feet tall.

Recreational maths with 997745738220

• 997745738220 backwards is 022837547799
• 997745738220 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 997745738220's digits is 63
• More coming soon!