19808394900

Names of 19808394900

• Cardinal: 19808394900 can be written as Nineteen billion, eight hundred eight million, three hundred ninety-four thousand, nine hundred.

Scientific notation

• Scientific notation: 1.98083949 × 10¹⁰

Factors of 19808394900

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 135

Divisors of 19808394900

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 17 19 20 21 25 28 29 30 34 35 38 42 50 51 53 57 58 60 68 70 75 76 84 85 87 95 100 102 105 106 114 116 119 133 140 145 150 159 170 174 175 190 203 204 210 212 228 238 255 265 266 285 290 300 318 323 340 348 350 357 361 371 380 399 406 420 425 435 475 476 493 510 525 530 532 551 570 580 595 609 636 646 665 700 714 722 725 742 795 798 812 850 870 901 950 969 986 1007 1015 1020 1050 1060 1083 1102 1113 1140 1190 1218 1275 1292 1325 1330 1425 1428 1444 1450 1479 1484 1537 1590 1596 1615 1653 1700 1740 1785 1802 1805 1855 1900 1938 1972 1995 2014 2030 2100 2166 2175 2204 2226 2261 2380 2436 2465 2527 2550 2650 2660 2703 2755 2850 2900 2958 2975 3021 3045 3074 3180 3230 3306 3325 3451 3570 3604 3610 3710 3857 3876 3975 3990 4028 4060 4332 4350 4452 4505 4522 4611 4845 4930 5035 5054 5075 5100 5300 5406 5415 5510 5565 5700 5916 5950 6042 6090 6137 6148 6307 6460 6612 6650 6783 6902 7049 7140 7220 7395 7420 7581 7685 7714 7950 7980 8075 8265 8700 8925 9010 9025 9044 9222 9275 9367 9690 9860 9975 10070 10108 10150 10353 10469 10759 10812 10830 11020 11130 11305 11571 11900 12084 12180 12274 12325 12614 12635 13300 13515 13566 13775 13804 14098 14790 15105 15162 15225 15370 15428 15900 16150 16530 17119 17255 17850 18020 18050 18411 18444 18550 18734 18921 19133 19285 19380 19950 20140 20300 20706 20938 21147 21518 21660 22260 22525 22610 23055 23142 24225 24548 24650 25175 25228 25270 26129 27030 27075 27132 27550 27825 28101 28196 29203 29580 30210 30324 30450 30685 30740 31407 31535 32277 32300 33060 33915 34238 34510 35245 35700 36100 36822 36975 37100 37468 37842 37905 38266 38425 38570 39900 41325 41412 41876 42294 42959 43036 45050 45220 46110 46284 46835 48450 49300 50350 50540 51357 51765 52258 52345 53795 54060 54150 55100 55650 56202 56525 57399 57855 58406 60420 60900 61370 62814 63070 63175 64554 65569 67575 67830 68476 69020 70490 73283 73644 73950 75525 75684 75810 76532 76850 77140 78387 82650 84588 85595 85918 86275 87609 90100 92055 92220 93670 94605 95665 96425 96900 100700 102714 103530 104516 104690 105735 107590 108300 111300 112404 113050 114798 115275 115710 116812 119833 122740 125628 126140 126350 128877 129108 130645 131138 133931 135150 135660 140505 140980 146015 146566 147900 151050 151620 153425 153700 156774 157035 157675 161385 165300 169575 171190 171836 172550 175218 176225 177973 182903 184110 187340 189210 189525 191330 192850 196707 204421 205428 207060 209380 211470 214795 215180 219849 226100 229596 230550 231420 234175 239666 252700 256785 257754 258825 261290 261725 262276 267862 268975 270300 281010 286995 289275 292030 293132 302100 306850 313548 314070 315350 322770 325261 327845 339150 342380 345100 350436 352450 355946 359499 365806 366415 368220 378420 379050 382660 385700 391935 393414 401793 408842 422940 427975 429590 438045 439698 460275 461100 468350 473025 478325 479332 496451 513570 515508 517650 522580 523450 528675 533919 535724 537950 548709 554857 562020 573990 578550 584060 599165 613263 613700 628140 630700 644385 645540 650522 653225 655690 669655 678300 702525 704900 711892 718998 730075 731612 732830 758100 783870 785175 786828 803586 806925 817684 855950 859180 876090 879396 889865 914515 920550 936700 946050 956650 975783 983535 992902 1022105 1027140 1035300 1046900 1057350 1067838 1073975 1075900 1097418 1099245 1109714 1147980 1157100 1198330 1226526 1245811 1283925 1288770 1301044 1306450 1311380 1339310 1405050 1434975 1437996 1460150 1465660 1489353 1567740 1570350 1607172 1613850 1626305 1639225 1664571 1711900 1752180 1779730 1797495 1829030 1832075 1841100 1892100 1913300 1951566 1959675 1967070 1985804 2008965 2044210 2114700 2135676 2147950 2190225 2194836 2198490 2219428 2276827 2396660 2453052 2482255 2491622 2567850 2577540 2612900 2669595 2678620 2743545 2774285 2810100 2869950 2920300 2978706 2995825 3066315 3140700 3221925 3227700 3252610 3278450 3329142 3348275 3475157 3559460 3594990 3658060 3664150 3737433 3883999 3903132 3919350 3934140 4017930 4088420 4295900 4380450 4396980 4449325 4553654 4572575 4878915 4917675 4964510 4983244 5110525 5135700 5339190 5487090 5496225 5548570 5739900 5957412 5991650 6132630 6229055 6443850 6505220 6556900 6658284 6696550 6830481 6950314 7189980 7328300 7446765 7474866 7767998 7838700 8035860 8131525 8322855 8760900 8898650 8987475 9107308 9145150 9432569 9757830 9835350 9929020 10044825 10221050 10425471 10678380 10974180 10992450 11097140 11384135 11651997 11983300 12265260 12411275 12458110 12887700 13347975 13393100 13660962 13717725 13871425 13900628 14893530 14949732 15331575 15535996 16263050 16645710 17375785 17797300 17974950 18290300 18687165 18865138 19419995 19515660 19670700 20089650 20442100 20850942 21984900 22768270 23303994 24394575 24822550 24916220 26695950 27321924 27435450 27742850 28297707 29787060 30663150 31145275 32526100 33291420 34152405 34751570 35949900 37233825 37374330 37730276 38839990 40179300 41614275 41701884 45536540 46607988 47162845 48789150 49645100 52127355 53391900 54870900 55485700 56595414 56920675 58259985 61326300 62290550 66027983 68304810 69503140 74467650 74748660 77679980 83228550 86878925 93435825 94325690 97099975 97578300 104254710 113190828 113841350 116519970 124581100 132055966 136609620 141488535 148935300 166457100 170762025 173757850 186871650 188651380 194199950 198083949 208509420 227682700 233039940 235814225 260636775 264111932 282977070 291299925 330139915 341524050 347515700 373743300 388399900 396167898 471628450 521273550 565954140 582599850 660279830 683048100 707442675 792335796 943256900 990419745 1042547100 1165199700 1320559660 1414885350 1650699575 1980839490 2829770700 3301399150 3961678980 4952098725 6602798300 9904197450 19808394900
• Sum of all divisors σ(n): 77147562240
• Sum of proper divisors (its aliquot sum) s(n): 57339167340
• 19808394900 is an abundant number, because the sum of its proper divisors (57339167340) is greater than itself. Its abundance is 37530772440

Bases of 19808394900

• Binary: 10010011100101011000001111010010100₂
• Hexadecimal: 0x49CAC1E94
• Base-36: 93LENBO

Squares and roots of 19808394900

• 19808394900 squared (19808394900²) is 392372508514346010000
• 19808394900 cubed (19808394900³) is 7772269596555778081319349000000
• The square root of 19808394900 is 140742.2996117371
• The cube root of 19808394900 is 2705.7215159199

Scales and comparisons

• 19,808,394,900 seconds is equal to 629 years, 43 weeks, 6 days, 19 hours, 55 minutes.
• To count from 1 to 19,808,394,900 would take you about one thousand, two hundred fifty-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 19808394900 cubic inches would be around 225.5 feet tall.

Recreational maths with 19808394900

• 19808394900 backwards is 00949380891
• 19808394900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19808394900's digits is 51
• More coming soon!