19490729440

Names of 19490729440

• Cardinal: 19490729440 can be written as Nineteen billion, four hundred ninety million, seven hundred twenty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.949072944 × 10¹⁰

Factors of 19490729440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 116

Divisors of 19490729440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 89 91 104 112 130 140 160 169 178 182 208 224 260 280 338 356 364 416 445 455 520 560 623 676 712 728 845 890 910 1040 1120 1157 1183 1246 1352 1424 1456 1690 1780 1820 2080 2197 2314 2366 2492 2704 2848 2912 3115 3380 3560 3640 4394 4628 4732 4984 5408 5785 5915 6230 6760 7120 7280 7921 8099 8788 9256 9464 9968 10985 11570 11830 12460 13520 14240 14560 15041 15379 15842 16198 17576 18512 18928 19936 21970 23140 23660 24920 27040 30082 30758 31684 32396 35152 37024 37856 39605 40495 43940 46280 47320 49840 55447 60164 61516 63368 64792 70304 75205 76895 79210 80990 87880 92560 94640 99680 102973 105287 110894 120328 123032 126736 129584 150410 153790 158420 161980 175760 185120 189280 195533 205946 210574 221788 240656 246064 253472 259168 277235 300820 307580 316840 323960 351520 391066 411892 421148 443576 481312 492128 514865 526435 554470 601640 615160 633680 647920 720811 782132 823784 842296 887152 977665 1029730 1052870 1108940 1203280 1230320 1267360 1295840 1338649 1368731 1441622 1564264 1647568 1684592 1774304 1955330 2059460 2105740 2217880 2406560 2460640 2677298 2737462 2883244 3128528 3295136 3369184 3604055 3910660 4118920 4211480 4435760 5354596 5474924 5766488 6257056 6693245 6843655 7208110 7821320 8237840 8422960 8871520 9370543 10709192 10949848 11532976 13386490 13687310 14416220 15642640 16475680 16845920 17402437 18741086 21418384 21899696 23065952 26772980 27374620 28832440 31285280 34804874 37482172 42836768 43799392 46852715 53545960 54749240 57664880 69609748 74964344 87012185 93705430 107091920 109498480 115329760 121817059 139219496 149928688 174024370 187410860 214183840 218996960 243634118 278438992 299857376 348048740 374821720 487268236 556877984 609085295 696097480 749643440 974536472 1218170590 1392194960 1499286880 1949072944 2436341180 2784389920 3898145888 4872682360 9745364720 19490729440
• Sum of all divisors σ(n): 57656128320
• Sum of proper divisors (its aliquot sum) s(n): 38165398880
• 19490729440 is an abundant number, because the sum of its proper divisors (38165398880) is greater than itself. Its abundance is 18674669440

Bases of 19490729440

• Binary: 10010001001101111001110110111100000₂
• Hexadecimal: 0x489BCEDE0
• Base-36: 8YC9Z34

Squares and roots of 19490729440

• 19490729440 squared (19490729440²) is 379888534103282713600
• 19490729440 cubed (19490729440³) is 7404304635565296386606608384000
• The square root of 19490729440 is 139609.2025620087
• The cube root of 19490729440 is 2691.1796965893

Scales and comparisons

• 19,490,729,440 seconds is equal to 619 years, 38 weeks, 5 days, 3 hours, 30 minutes, 40 seconds.
• To count from 1 to 19,490,729,440 would take you about one thousand, two hundred thirty-nine 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 19490729440 cubic inches would be around 224.3 feet tall.

Recreational maths with 19490729440

• 19490729440 backwards is 04492709491
• The number of decimal digits it has is: 11
• The sum of 19490729440's digits is 49
• More coming soon!