19429808640

Names of 19429808640

• Cardinal: 19429808640 can be written as Nineteen billion, four hundred twenty-nine million, eight hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.942980864 × 10¹⁰

Factors of 19429808640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 284

Divisors of 19429808640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 17 20 22 24 30 32 33 34 40 44 48 51 55 60 64 66 68 80 83 85 88 96 102 110 120 128 132 136 160 163 165 166 170 176 187 192 204 220 240 249 255 256 264 272 320 326 330 332 340 352 374 384 408 415 440 480 489 498 510 512 528 544 561 640 652 660 664 680 704 748 768 815 816 830 880 913 935 960 978 996 1020 1056 1088 1122 1245 1280 1304 1320 1328 1360 1408 1411 1496 1536 1630 1632 1660 1760 1793 1826 1870 1920 1956 1992 2040 2112 2176 2244 2445 2490 2560 2608 2640 2656 2720 2739 2771 2805 2816 2822 2992 3260 3264 3320 3520 3586 3652 3740 3840 3912 3984 4080 4224 4233 4352 4488 4565 4890 4980 5216 5280 5312 5379 5440 5478 5542 5610 5632 5644 5984 6520 6528 6640 7040 7055 7172 7304 7480 7680 7824 7968 8160 8313 8448 8466 8704 8965 8976 9130 9780 9960 10432 10560 10624 10758 10880 10956 11084 11220 11288 11968 13040 13056 13280 13529 13695 13855 14080 14110 14344 14608 14960 15521 15648 15936 16320 16626 16896 16932 17930 17952 18260 19560 19920 20864 21120 21165 21248 21516 21760 21912 22168 22440 22576 23936 26080 26112 26560 26895 27058 27390 27710 28160 28220 28688 29216 29920 30481 31042 31296 31872 32640 33252 33864 35860 35904 36520 39120 39840 40587 41565 41728 42240 42330 42496 43032 43520 43824 44336 44880 45152 46563 47872 52160 53120 53790 54116 54780 55420 56440 57376 58432 59840 60962 62084 62592 63744 65280 66504 67645 67728 71720 71808 73040 77605 78240 79680 81174 83130 83456 84480 84660 86064 87648 88672 89760 90304 91443 93126 95744 104320 106240 107580 108232 109560 110840 112880 114752 116864 119680 121924 124168 125184 127488 130560 133008 135290 135456 143440 143616 146080 148819 152405 155210 156480 159360 162348 166260 169320 172128 175296 177344 179520 180608 182886 186252 202935 208640 212480 215160 216464 219120 221680 225760 229504 229993 232815 233728 239360 243848 248336 250368 266016 270580 270912 286880 287232 292160 297638 304810 310420 312960 318720 324696 332520 338640 344256 350592 354688 359040 361216 365772 372504 405870 417280 430320 432928 438240 443360 446457 451520 457215 459008 459986 465630 467456 478720 487696 496672 532032 541160 541824 573760 584320 595276 609620 620840 625920 637440 649392 665040 677280 688512 689979 701184 709376 718080 722432 731544 744095 745008 811740 860640 865856 876480 886720 892914 903040 914430 918016 919972 931260 975392 993344 1064064 1082320 1083648 1147520 1149965 1168640 1190552 1219240 1241680 1251840 1298784 1330080 1354560 1377024 1379958 1402368 1418752 1436160 1463088 1488190 1490016 1623480 1721280 1731712 1752960 1773440 1785828 1806080 1828860 1839944 1862520 1950784 1986688 2128128 2164640 2167296 2232285 2295040 2299930 2337280 2381104 2438480 2483360 2529923 2597568 2660160 2709120 2754048 2759916 2926176 2976380 2980032 3246960 3442560 3449895 3463424 3505920 3546880 3571656 3612160 3657720 3679888 3725040 3901568 3973376 4256256 4329280 4464570 4590080 4599860 4762208 4876960 4966720 5059846 5195136 5320320 5418240 5519832 5852352 5952760 5960064 6493920 6885120 6899790 6926848 7011840 7093760 7143312 7315440 7359776 7450080 7589769 7803136 7946752 8658560 8929140 9199720 9524416 9753920 9933440 10119692 10390272 10640640 10836480 11039664 11704704 11905520 11920128 12649615 12987840 13770240 13799580 14286624 14630880 14719552 14900160 15179538 15606272 17317120 17858280 18399440 19048832 19507840 19866880 20239384 20780544 21281280 22079328 23409408 23811040 23840256 25299230 25975680 27599160 28573248 29261760 29439104 29800320 30359076 34634240 35716560 36798880 37948845 38097664 39015680 39733760 40478768 44158656 46818816 47622080 50598460 51951360 55198320 57146496 58523520 58878208 59600640 60718152 71433120 73597760 75897690 76195328 78031360 80957536 88317312 95244160 101196920 103902720 110396640 114292992 117047040 117756416 119201280 121436304 142866240 147195520 151795380 161915072 176634624 190488320 202393840 220793280 228585984 234094080 242872608 285732480 294391040 303590760 323830144 353269248 380976640 404787680 441586560 485745216 571464960 588782080 607181520 647660288 809575360 883173120 971490432 1142929920 1214363040 1295320576 1619150720 1766346240 1942980864 2428726080 3238301440 3885961728 4857452160 6476602880 9714904320 19429808640
• Sum of all divisors σ(n): 73057324032
• Sum of proper divisors (its aliquot sum) s(n): 53627515392
• 19429808640 is an abundant number, because the sum of its proper divisors (53627515392) is greater than itself. Its abundance is 34197706752

Bases of 19429808640

• Binary: 10010000110000110110101101000000000₂
• Hexadecimal: 0x4861B5A00
• Base-36: 8XC08AO

Squares and roots of 19429808640

• 19429808640 squared (19429808640²) is 377517463787018649600
• 19429808640 cubed (19429808640³) is 7335092079639902077839212544000
• The square root of 19429808640 is 139390.8484800923
• The cube root of 19429808640 is 2688.3728932793

Scales and comparisons

• 19,429,808,640 seconds is equal to 617 years, 42 weeks, 1 hour, 4 minutes.
• To count from 1 to 19,429,808,640 would take you about one thousand, two hundred thirty-five 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 19429808640 cubic inches would be around 224 feet tall.

Recreational maths with 19429808640

• 19429808640 backwards is 04680892491
• 19429808640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19429808640's digits is 51
• More coming soon!