19720643800

Names of 19720643800

• Cardinal: 19720643800 can be written as Nineteen billion, seven hundred twenty million, six hundred forty-three thousand, eight hundred.

Scientific notation

• Scientific notation: 1.97206438 × 10¹⁰

Factors of 19720643800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 150

Divisors of 19720643800

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 25 26 29 31 40 44 50 52 55 58 59 62 65 88 100 104 110 116 118 124 130 143 145 155 169 200 220 232 236 248 260 275 286 290 295 310 319 325 338 341 377 403 440 472 520 550 572 580 590 620 638 649 650 676 682 715 725 754 767 775 806 845 899 1100 1144 1160 1180 1240 1276 1298 1300 1352 1364 1430 1450 1475 1508 1534 1550 1595 1612 1690 1705 1711 1798 1829 1859 1885 2015 2200 2360 2552 2596 2600 2728 2860 2900 2950 3016 3068 3100 3190 3224 3245 3380 3410 3422 3575 3596 3658 3718 3770 3835 4030 4147 4225 4433 4495 4901 5192 5239 5720 5800 5900 6136 6200 6380 6490 6760 6820 6844 7150 7192 7316 7436 7540 7670 7975 8060 8294 8437 8450 8525 8555 8866 8990 9145 9295 9425 9802 9889 9971 10075 10478 11687 11800 12760 12980 13640 13688 14300 14632 14872 15080 15340 15950 16120 16225 16588 16874 16900 17050 17110 17732 17980 18290 18590 18821 18850 19175 19604 19778 19942 20119 20150 20735 20956 22165 22243 22475 23374 23777 24505 25960 26195 28600 30680 31900 32450 33176 33748 33800 34100 34220 35464 35960 36580 37180 37642 37700 38350 39208 39556 39884 40238 40300 41470 41912 42185 42775 44330 44486 44950 45725 46475 46748 47554 49010 49445 49855 52390 53041 53911 57629 58435 63800 64900 67496 68200 68440 73160 74360 75284 75400 76700 79112 79768 80476 80600 82940 84370 85550 88660 88972 89900 91450 92950 93496 94105 95108 98020 98890 99710 100595 103675 104780 106082 107822 109681 110825 111215 115258 116870 118885 122525 128557 129800 130975 150568 151931 153400 160952 165880 168740 171100 177320 177944 179800 182900 185900 188210 190216 196040 197780 199420 201190 207350 209560 210925 212164 215644 219362 221650 222430 230516 233740 237770 244673 245050 247225 249275 257114 261547 261950 265205 269555 288145 289159 292175 303862 309101 337480 342200 365800 371800 376420 395560 398840 402380 414700 421850 424328 431288 438724 443300 444860 461032 467480 470525 475540 489346 490100 494450 498550 502975 514228 523094 523900 530410 539110 548405 556075 576290 578318 583451 584350 594425 607724 618202 642785 689533 752840 759655 804760 829400 843700 877448 886600 889720 941050 951080 978692 980200 988900 997100 1005950 1028456 1046188 1047800 1060820 1078220 1096810 1112150 1152580 1156636 1166902 1168700 1188850 1215448 1223365 1236404 1285570 1307735 1326025 1347775 1379066 1440725 1445795 1519310 1545505 1671241 1687400 1882100 1957384 1977800 1994200 2011900 2092376 2121640 2156440 2193620 2224300 2305160 2313272 2333804 2337400 2377700 2446730 2472808 2571140 2615470 2652050 2695550 2742025 2758132 2881450 2891590 2917255 3038620 3091010 3180749 3213925 3342482 3400111 3447665 3764200 3798275 4023800 4387240 4448600 4667608 4755400 4893460 5142280 5230940 5304100 5391100 5484050 5516264 5762900 5783180 5834510 6077240 6116825 6182020 6361498 6427850 6538675 6684964 6800222 6895330 7228975 7584863 7596550 7727525 8356205 8963929 9786920 10461880 10608200 10782200 10968100 11525800 11566360 11669020 12233650 12364040 12722996 12855700 13077350 13369928 13600444 13790660 14457950 14586275 15169726 15193100 15455050 15903745 16712410 17000555 17238325 17927858 21936200 23338040 24467300 25445992 25711400 26154700 27200888 27581320 28915900 29172550 30339452 30386200 30910100 31807490 33424820 34001110 34476650 35855716 37924315 41781025 44819645 48934600 52309400 57831800 58345100 60678904 61820200 63614980 66849640 68002220 68953300 71711432 75848630 79518725 83562050 85002775 89639290 98603219 116690200 127229960 136004440 137906600 151697260 159037450 167124100 170005550 179278580 189621575 197206438 224098225 303394520 318074900 334248200 340011100 358557160 379243150 394412876 448196450 493016095 636149800 680022200 758486300 788825752 896392900 986032190 1516972600 1792785800 1972064380 2465080475 3944128760 4930160950 9860321900 19720643800
• Sum of all divisors σ(n): 58817664000
• Sum of proper divisors (its aliquot sum) s(n): 39097020200
• 19720643800 is an abundant number, because the sum of its proper divisors (39097020200) is greater than itself. Its abundance is 19376376400

Bases of 19720643800

• Binary: 10010010111011100010010010011011000₂
• Hexadecimal: 0x4977124D8
• Base-36: 9255U54

Squares and roots of 19720643800

• 19720643800 squared (19720643800²) is 388903791886478440000
• 19720643800 cubed (19720643800³) is 7669433152262571351619672000000
• The square root of 19720643800 is 140430.2097128677
• The cube root of 19720643800 is 2701.7201567215

Scales and comparisons

• 19,720,643,800 seconds is equal to 627 years, 2 weeks, 6 days, 4 hours, 36 minutes, 40 seconds.
• To count from 1 to 19,720,643,800 would take you about one thousand, two hundred fifty-four 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 19720643800 cubic inches would be around 225.1 feet tall.

Recreational maths with 19720643800

• 19720643800 backwards is 00834602791
• 19720643800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19720643800's digits is 40
• More coming soon!