642948317550

Names of 642948317550

• Cardinal: 642948317550 can be written as Six hundred forty-two billion, nine hundred forty-eight million, three hundred seventeen thousand, five hundred fifty.

Scientific notation

• Scientific notation: 6.4294831755 × 10¹¹

Factors of 642948317550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 857

Divisors of 642948317550

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 25 27 30 33 35 42 45 50 54 55 63 66 70 75 77 81 90 99 105 110 126 135 150 154 162 165 175 189 198 210 225 231 243 270 275 297 315 330 350 378 385 405 450 462 486 495 525 550 567 594 630 675 693 770 810 825 829 891 945 990 1050 1134 1155 1215 1350 1386 1485 1575 1650 1658 1701 1782 1890 1925 2025 2079 2310 2430 2475 2487 2673 2835 2970 3150 3402 3465 3850 4050 4145 4158 4455 4725 4950 4974 5346 5670 5775 5803 6075 6237 6930 7425 7461 8290 8505 8910 9119 9450 10395 11550 11606 12150 12435 12474 13365 14175 14850 14922 17010 17325 17409 18238 18711 20725 20790 22275 22383 24870 26730 27357 28350 29015 31185 34650 34818 37305 37422 41450 42525 44550 44766 45595 51975 52227 54714 58030 62175 62370 63833 66825 67149 74610 82071 85050 87045 91190 93555 103950 104454 111915 124350 127666 133650 134298 136785 145075 155925 156681 164142 174090 186525 187110 191499 201447 223830 227975 246213 261135 273570 290150 311850 313362 319165 335745 373050 382998 402894 410355 435225 455950 467775 470043 492426 522270 559575 574497 638330 671490 683925 687241 738639 783405 820710 870450 935550 940086 957495 1007235 1119150 1148994 1231065 1305675 1367850 1374482 1410129 1477278 1566810 1595825 1678725 1723491 1914990 2014470 2051775 2061723 2215917 2350215 2462130 2611350 2820258 2872485 3191650 3357450 3436205 3446982 3693195 3917025 4103550 4123446 4431834 4700430 4787475 4810687 5036175 5170473 5744970 6155325 6185169 6872410 7050645 7386390 7559651 7834050 8617455 9574950 9621374 10072350 10308615 10340946 11079585 11751075 12310650 12370338 14101290 14362425 14432061 15119302 15511419 17181025 17234910 18465975 18555507 20617230 22159170 22678953 23502150 24053435 25852365 28724850 28864122 30925845 31022838 34362050 35253225 36931950 37111014 37798255 43087275 43296183 45357906 48106870 51543075 51704730 52917557 55397925 55666521 61851690 68036859 70506450 72160305 75596510 77557095 86174550 86592366 92777535 103086150 105835114 110795850 111333042 113394765 120267175 129261825 129888549 136073718 144320610 154629225 155114190 158752671 166999563 185555070 188991275 204110577 216480915 226789530 240534350 258523650 259777098 264587785 278332605 309258450 317505342 333999126 340184295 360801525 377982550 387785475 389665647 408221154 432961830 463887675 476258013 529175570 556665210 566973825 612331731 649442745 680368590 721603050 775570950 779331294 793763355 834997815 927775350 952516026 1020552885 1082404575 1133947650 1168996941 1224663462 1298885490 1322938925 1391663025 1428774039 1587526710 1669995630 1700921475 1836995193 1948328235 2041105770 2164809150 2337993882 2381290065 2645877850 2783326050 2857548078 3061658655 3247213725 3401842950 3673990386 3896656470 3968816775 4174989075 4286322117 4762580130 5102764425 5844984705 6123317310 6494427450 7143870195 7937633550 8349978150 8572644234 9184975965 9741641175 10205528850 11689969410 11906450325 12858966351 14287740390 15308293275 18369951930 19483282350 21431610585 23812900650 25717932702 29224923525 30616586550 35719350975 42863221170 45924879825 58449847050 64294831755 71438701950 91849759650 107158052925 128589663510 214316105850 321474158775 642948317550
• Sum of all divisors σ(n): 2236087631232
• Sum of proper divisors (its aliquot sum) s(n): 1593139313682
• 642948317550 is an abundant number, because the sum of its proper divisors (1593139313682) is greater than itself. Its abundance is 950190996132

Bases of 642948317550

• Binary: 1001010110110010101101001100000101101110₂
• Hexadecimal: 0x95B2B4C16E
• Base-36: 87D6TSVI

Squares and roots of 642948317550

• 642948317550 squared (642948317550²) is 413382539040375638002500
• 642948317550 cubed (642948317550³) is 265783607980556707973715217693875000
• The square root of 642948317550 is 801840.5811319357
• The cube root of 642948317550 is 8630.9517362561

Scales and comparisons

• 642,948,317,550 seconds is equal to 20,443 years, 39 weeks, 6 days, 10 hours, 52 minutes, 30 seconds.
• To count from 1 to 642,948,317,550 would take you about forty thousand, eight hundred eighty-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 642948317550 cubic inches would be around 719.2 feet tall.

Recreational maths with 642948317550

• 642948317550 backwards is 055713849246
• 642948317550 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642948317550's digits is 54
• More coming soon!