19793993940

Names of 19793993940

• Cardinal: 19793993940 can be written as Nineteen billion, seven hundred ninety-three million, nine hundred ninety-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.979399394 × 10¹⁰

Factors of 19793993940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 616

Divisors of 19793993940

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 41 42 45 49 60 63 70 82 84 90 98 105 123 126 127 140 147 164 180 196 205 210 245 246 252 254 287 294 315 369 381 410 420 431 441 490 492 508 574 588 615 630 635 735 738 762 820 861 862 882 889 980 1143 1148 1230 1260 1270 1293 1435 1470 1476 1524 1722 1724 1764 1778 1845 1905 2009 2155 2205 2286 2460 2540 2583 2586 2667 2870 2940 3017 3444 3556 3690 3810 3879 4018 4305 4310 4410 4445 4572 5166 5172 5207 5334 5715 5740 6027 6034 6223 6465 7380 7620 7758 8001 8036 8610 8620 8820 8890 9051 10045 10332 10414 10668 11430 12054 12068 12446 12915 12930 13335 15085 15516 15621 16002 17220 17671 17780 18081 18102 18669 19395 20090 20828 21119 22860 24108 24892 25830 25860 26035 26670 27153 30135 30170 31115 31242 32004 35342 36162 36204 36449 37338 38790 40005 40180 42238 45255 46863 51660 52070 53013 53340 54306 54737 56007 60270 60340 62230 62484 63357 70684 72324 72898 74676 77580 78105 80010 84476 88355 90405 90510 93345 93726 104140 105595 106026 108612 109347 109474 112014 120540 123697 124460 126714 135765 145796 156210 159039 160020 164211 176710 180810 181020 182245 186690 187452 190071 211190 212052 218694 218948 224028 234315 247394 253428 255143 265065 271530 273685 280035 312420 316785 318078 328041 328422 353420 361620 364490 371091 373380 380142 383159 422380 437388 468630 492633 494788 510286 530130 543060 546735 547370 560070 618485 633570 636156 656082 656844 728980 742182 760284 765429 766318 795195 821055 865879 937260 950355 985266 1020572 1060260 1093470 1094740 1113273 1120140 1149477 1236970 1267140 1275715 1312164 1484364 1530858 1532636 1590390 1640205 1642110 1731758 1855455 1900710 1915795 1970532 2186940 2226546 2244217 2296287 2298954 2463165 2473940 2551430 2597637 2682113 3061716 3180780 3280410 3284220 3448431 3463516 3710910 3801420 3827145 3831590 4329395 4453092 4488434 4592574 4597908 4926330 5102860 5195274 5364226 5566365 5747385 6560820 6732651 6896862 7421820 7654290 7663180 7792911 8046339 8658790 8976868 9185148 9852660 10390548 10728452 11132730 11221085 11481435 11494770 12988185 13410565 13465302 13793724 15308580 15585822 15709519 16092678 17242155 17317580 20197953 22265460 22442170 22962870 22989540 24139017 25976370 26821130 26930604 31171644 31419038 32185356 33663255 34484310 38964555 40231695 40395906 44884340 45925740 47128557 48278034 51952740 53642260 62838076 67326510 68968620 77929110 78547595 80463390 80791812 94257114 96556068 100989765 109966633 120695085 134653020 141385671 155858220 157095190 160926780 188514228 201979530 219933266 235642785 241390170 282771342 314190380 329899899 403959060 439866532 471285570 482780340 549833165 565542684 659799798 706928355 942571140 989699697 1099666330 1319599596 1413856710 1649499495 1979399394 2199332660 2827713420 3298998990 3958798788 4948498485 6597997980 9896996970 19793993940
• Sum of all divisors σ(n): 72278728704
• Sum of proper divisors (its aliquot sum) s(n): 52484734764
• 19793993940 is an abundant number, because the sum of its proper divisors (52484734764) is greater than itself. Its abundance is 32690740824

Bases of 19793993940

• Binary: 10010011011110100000110000011010100₂
• Hexadecimal: 0x49BD060D4
• Base-36: 93CTZH0

Squares and roots of 19793993940

• 19793993940 squared (19793993940²) is 391802196096756723600
• 19793993940 cubed (19793993940³) is 7755330295217894240592654984000
• The square root of 19793993940 is 140691.1295711283
• The cube root of 19793993940 is 2705.0656587441

Scales and comparisons

• 19,793,993,940 seconds is equal to 629 years, 20 weeks, 1 day, 3 hours, 39 minutes.
• To count from 1 to 19,793,993,940 would take you about one thousand, two hundred fifty-eight 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 19793993940 cubic inches would be around 225.4 feet tall.

Recreational maths with 19793993940

• 19793993940 backwards is 04939939791
• 19793993940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19793993940's digits is 63
• More coming soon!