19681636590

Names of 19681636590

• Cardinal: 19681636590 can be written as Nineteen billion, six hundred eighty-one million, six hundred thirty-six thousand, five hundred ninety.

Scientific notation

• Scientific notation: 1.968163659 × 10¹⁰

Factors of 19681636590

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 234

Divisors of 19681636590

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 23 30 33 35 38 42 45 46 55 57 63 66 67 69 70 77 90 95 97 99 105 110 114 115 126 133 134 138 154 161 165 171 190 194 198 201 207 209 210 230 231 253 266 285 291 315 322 330 335 342 345 385 399 402 414 418 437 462 469 483 485 495 506 570 582 603 627 630 665 670 679 690 693 737 759 770 798 805 855 873 874 938 966 970 990 1005 1035 1045 1067 1155 1197 1206 1254 1265 1273 1311 1330 1358 1386 1407 1449 1455 1463 1474 1518 1541 1610 1710 1746 1771 1843 1881 1995 2010 2037 2070 2090 2134 2185 2211 2231 2277 2310 2345 2394 2415 2530 2546 2622 2814 2898 2910 2926 3015 3059 3082 3135 3201 3395 3465 3542 3685 3686 3762 3795 3819 3933 3990 4074 4221 4365 4370 4389 4422 4462 4554 4623 4690 4807 4830 5159 5313 5335 5529 5985 6030 6111 6118 6270 6365 6402 6499 6555 6633 6693 6790 6930 7035 7245 7315 7370 7469 7590 7638 7705 7866 8442 8730 8778 8855 8911 9177 9215 9246 9405 9603 9614 10185 10318 10626 10670 10787 11055 11058 11155 11385 11457 11970 12222 12730 12901 12998 13110 13167 13266 13386 13869 14003 14070 14421 14490 14630 14938 15295 15410 15477 15617 15939 16005 16587 16951 17710 17822 18354 18430 18810 19095 19206 19497 19665 20079 20273 20370 21105 21574 21945 22110 22310 22407 22770 22914 23115 24035 24541 25795 25802 26334 26565 26733 27531 27645 27738 28006 28842 29279 30555 30590 30954 31234 31878 32010 32361 32495 33165 33174 33465 33649 33902 37345 38190 38703 38994 39330 40158 40546 42009 42210 42389 43263 43890 44555 44814 45493 45885 46230 46431 46851 48015 48070 49082 50853 51590 53130 53466 53935 55062 55290 57285 58491 58558 60819 61110 64505 64722 64990 65835 66330 66930 67221 67298 69345 70015 71489 72105 73623 74690 77385 77406 78085 79695 80199 82935 84018 84755 84778 86526 87837 89110 90986 91770 92862 93702 96030 97083 97485 98021 100395 100947 101365 101706 107870 112035 114570 116109 116982 118657 121638 122705 123481 126027 127167 129010 131670 133665 134442 136479 137655 138690 140030 140553 141911 142978 144210 146395 147246 149477 152559 154770 156170 159390 160398 161805 165870 168245 169510 171787 175674 182457 193515 194166 194970 196042 200790 201894 202730 204953 210045 211945 214467 216315 220869 224070 227465 232155 232218 234255 237314 245410 246962 252054 254265 254334 263511 267330 272958 275310 281106 283822 292455 292790 294063 296723 298954 302841 304095 305118 322069 323610 336105 336490 343574 355971 357445 364914 368115 370443 381501 387030 400995 409437 409906 420090 423890 425733 428934 432630 439185 441738 448431 454930 464310 466279 468510 485415 490105 500423 504735 508530 515361 527022 580545 584910 588126 593285 593446 605682 608190 614859 617405 630135 635835 643401 644138 672210 682395 702765 709555 711942 714890 736230 740886 747385 762795 763002 801990 818874 851466 858935 864367 878370 882189 890169 896862 912285 932558 966207 970830 980210 1000846 1009470 1024765 1030722 1046339 1067913 1072335 1104345 1111329 1161090 1186570 1229718 1234810 1260270 1271670 1277199 1286802 1317555 1345293 1358291 1364790 1398837 1405530 1419110 1470315 1483615 1494770 1501269 1514205 1525590 1546083 1610345 1644247 1717870 1728734 1764378 1779855 1780338 1824570 1844577 1852215 1907505 1932414 2047185 2049530 2092678 2128665 2135826 2144670 2208690 2222658 2242155 2254483 2331395 2502115 2554398 2576805 2593101 2635110 2670507 2690586 2716582 2797674 2840063 2898621 2940630 2967230 3002538 3028410 3074295 3092166 3139017 3217005 3220690 3263953 3288494 3559710 3689154 3704430 3815010 4074873 4094370 4196511 4257330 4321835 4410945 4450845 4484310 4503807 4508966 4662790 4831035 4932741 5004230 5153610 5186202 5231695 5339565 5341014 5556645 5680126 5797242 6148590 6278034 6385995 6434010 6527906 6726465 6763449 6791455 6994185 7506345 7730415 7779303 8149746 8221235 8393022 8520189 8643670 8821890 8901690 9007614 9222885 9417051 9508037 9662070 9791859 9865482 10463390 10679130 11113290 11272415 11509729 12224619 12771990 12965505 13352535 13452930 13526898 13582910 13988370 14200315 14493105 14798223 15012690 15460830 15558606 15695085 16319765 16442470 17040378 18445770 18834102 19016074 19583718 19880441 20290347 20374365 20982555 22519035 22544830 23019458 24449238 24663705 25560567 25931010 26705070 28400630 28524111 28986210 29375577 29596446 31240693 31390170 32639530 33817245 34529187 38896515 39760882 40580694 40748730 41965110 42600945 45038070 47085255 47540185 48959295 49327410 51121134 57048222 57548645 58751154 59641323 61123095 62481386 67634490 69058374 73991115 77793030 85201890 85572333 93722079 94170510 95080370 97918590 99402205 101451735 103587561 115097290 119282646 122246190 127802835 142620555 146877885 147982230 156203465 171144666 172645935 178923969 187444158 198804410 202903470 207175122 218684851 255605670 281166237 285241110 293755770 298206615 312406930 345291870 357847938 427861665 437369702 468610395 517937805 562332474 596413230 656054553 855723330 894619845 937220790 1035875610 1093424255 1312109106 1405831185 1789239690 1968163659 2186848510 2811662370 3280272765 3936327318 6560545530 9840818295 19681636590
• Sum of all divisors σ(n): 71856046080
• Sum of proper divisors (its aliquot sum) s(n): 52174409490
• 19681636590 is an abundant number, because the sum of its proper divisors (52174409490) is greater than itself. Its abundance is 32492772900

Bases of 19681636590

• Binary: 10010010101000111011111000011101110₂
• Hexadecimal: 0x4951DF0EE
• Base-36: 91HXRZI

Squares and roots of 19681636590

• 19681636590 squared (19681636590²) is 387366818860826828100
• 19681636590 cubed (19681636590³) is 7624012955843151417586600179000
• The square root of 19681636590 is 140291.2562849161
• The cube root of 19681636590 is 2699.9376569967

Scales and comparisons

• 19,681,636,590 seconds is equal to 625 years, 42 weeks, 2 days, 17 hours, 16 minutes, 30 seconds.
• To count from 1 to 19,681,636,590 would take you about one thousand, two hundred fifty-one 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 19681636590 cubic inches would be around 225 feet tall.

Recreational maths with 19681636590

• 19681636590 backwards is 09563618691
• The number of decimal digits it has is: 11
• The sum of 19681636590's digits is 54
• More coming soon!