19988868900

Names of 19988868900

• Cardinal: 19988868900 can be written as Nineteen billion, nine hundred eighty-eight million, eight hundred sixty-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 1.99888689 × 10¹⁰

Factors of 19988868900

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 335

Divisors of 19988868900

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 13 14 15 20 21 22 25 26 28 30 33 35 37 39 42 44 49 50 52 55 60 65 66 70 74 75 77 78 84 91 98 100 105 110 111 130 132 140 143 147 148 150 154 156 165 175 182 185 195 196 210 220 222 231 245 257 259 260 273 275 286 294 300 308 325 330 350 364 370 385 390 407 420 429 444 455 462 481 490 514 518 525 539 546 550 555 572 588 637 650 660 700 715 735 740 770 771 777 780 814 825 858 910 924 925 962 975 980 1001 1028 1036 1050 1078 1092 1100 1110 1155 1221 1225 1274 1285 1295 1300 1365 1430 1443 1470 1540 1542 1554 1617 1628 1650 1716 1799 1813 1820 1850 1911 1924 1925 1950 2002 2035 2100 2145 2156 2220 2275 2310 2405 2442 2450 2548 2570 2590 2695 2730 2775 2827 2849 2860 2886 2940 3003 3084 3108 3185 3234 3300 3341 3367 3575 3598 3626 3675 3700 3822 3850 3855 3885 3900 4004 4070 4290 4550 4620 4810 4884 4900 5005 5140 5180 5291 5390 5397 5439 5460 5550 5654 5698 5772 5775 6006 6105 6370 6425 6468 6475 6682 6734 6825 7007 7150 7196 7215 7252 7350 7644 7700 7710 7770 8085 8140 8481 8547 8580 8995 9065 9100 9509 9555 9620 10010 10023 10101 10175 10582 10725 10780 10794 10878 11100 11308 11396 11550 12012 12025 12210 12593 12740 12850 12950 13364 13468 13475 13650 14014 14135 14245 14300 14430 14700 15015 15420 15540 15873 15925 16170 16705 16835 16962 17094 17990 18130 19018 19110 19275 19425 19789 19943 20020 20046 20202 20350 21021 21164 21450 21588 21756 23100 23387 23569 24050 24420 25025 25186 25700 25900 26455 26950 26985 27195 27300 28028 28270 28490 28527 28860 30030 30525 31746 31850 32340 33410 33670 33924 34188 35035 35980 36075 36260 36751 37037 37779 38036 38220 38550 38850 39578 39886 40092 40404 40425 40700 42042 42405 42735 42900 44975 45325 46774 47138 47545 47775 48100 50050 50115 50372 50505 52910 53900 53970 54390 56540 56980 57054 59367 59829 60060 61050 62965 63492 63700 66563 66820 67340 70070 70161 70675 70707 71225 72150 73502 74074 75075 75558 77100 77700 79156 79365 79772 80850 83525 84084 84175 84810 85470 89950 90650 93548 94276 95090 95550 98945 99715 100100 100230 101010 104599 105105 105820 107940 108780 110253 111111 114108 116935 117845 118734 119658 122100 123617 125930 132275 133126 134925 135975 138523 140140 140322 141350 141414 142450 142635 144300 147004 148148 150150 151116 158730 161700 163709 167050 168350 169620 170940 175175 179900 181300 183755 185185 188895 190180 191100 197890 199430 199689 200460 202020 209198 210210 212025 213675 220506 222222 233870 235690 237468 237725 239316 247234 250575 251860 252525 257257 259259 264550 266252 269850 271950 277046 280644 282700 282828 284900 285270 296835 299145 300300 313797 314825 317460 327418 332815 334100 336700 350350 350805 353535 367510 370370 370851 377790 395780 396825 398860 399378 415569 418396 420420 424050 427350 441012 444444 465941 467740 471380 475450 491127 494468 494725 498575 501150 505050 514514 518518 522995 525525 529100 539700 543900 551265 554092 555555 570540 584675 589225 593670 598290 618085 627594 629650 654836 665630 692615 700700 701610 707070 713175 732193 735020 740740 741702 755580 771771 777777 793650 798756 818545 831138 848100 854700 865319 918775 925925 931882 944475 950900 982254 989450 997150 998445 1002300 1010100 1029028 1037036 1045990 1051050 1102530 1111110 1169350 1178450 1187340 1196580 1236170 1255188 1259300 1286285 1296295 1331260 1359787 1385230 1397823 1403220 1414140 1426350 1464386 1483404 1484175 1495725 1543542 1555554 1568985 1587300 1637090 1662276 1664075 1730638 1754025 1767675 1800799 1837550 1851850 1854255 1863764 1888950 1964508 1978900 1994300 1996890 2077845 2091980 2102100 2196579 2205060 2222220 2329705 2338700 2356900 2455635 2472340 2572570 2592590 2595957 2614975 2719574 2756325 2770460 2777775 2795646 2852700 2928772 2968350 2991450 3087084 3090425 3111108 3137970 3274180 3328150 3461276 3463075 3508050 3535350 3601598 3660965 3675100 3703700 3708510 3777900 3858855 3888885 3993780 4079361 4092725 4155690 4326595 4393158 4659410 4911270 4992225 5125351 5145140 5185180 5191914 5229950 5402397 5439148 5512650 5555550 5591292 5936700 5982900 6057233 6180850 6275940 6431425 6481475 6656300 6798935 6926150 6989115 7016100 7070700 7203196 7321930 7417020 7717710 7777770 7844925 8158722 8185450 8311380 8653190 8786316 9003995 9271275 9318820 9518509 9822540 9984450 10250702 10383828 10389225 10459900 10804794 10982895 11025300 11111100 11648525 12114466 12278175 12361700 12862850 12962950 12979785 13597870 13852300 13978230 14643860 15376053 15435420 15555540 15689850 16317444 16370900 17306380 18007990 18171699 18304825 18542550 19037018 19294275 19444425 19968900 20396805 20501404 20778450 21609588 21632975 21965790 23297050 24228932 24556350 25626755 25725700 25925900 25959570 27011985 27195740 27956460 28555527 30286165 30752106 31379700 33994675 34945575 36015980 36343398 36609650 37085100 38074036 38588550 38888850 40793610 41556900 43265950 43931580 45019975 46594100 47592545 49112700 51253510 51919140 54023970 54914475 57111054 60572330 61504212 64898925 66629563 67989350 69891150 72686796 73219300 76880265 77177100 77777700 81587220 86531900 90039950 90858495 95185090 101984025 102507020 108047940 109828950 114222108 121144660 128133775 129797850 133259126 135059925 135978700 139782300 142777635 151430825 153760530 180079900 181716990 190370180 199888689 203968050 219657900 237962725 256267550 259595700 266518252 270119850 285555270 302861650 307521060 333147815 363433980 384401325 399777378 407936100 454292475 475925450 512535100 540239700 571110540 605723300 666295630 713888175 768802650 799554756 908584950 951850900 999443445 1332591260 1427776350 1537605300 1665739075 1817169900 1998886890 2855552700 3331478150 3997773780 4997217225 6662956300 9994434450 19988868900
• Sum of all divisors σ(n): 81490534272
• Sum of proper divisors (its aliquot sum) s(n): 61501665372
• 19988868900 is an abundant number, because the sum of its proper divisors (61501665372) is greater than itself. Its abundance is 41512796472

Bases of 19988868900

• Binary: 10010100111011011011110111100100100₂
• Hexadecimal: 0x4A76DEF24
• Base-36: 96KUTYC

Squares and roots of 19988868900

• 19988868900 squared (19988868900²) is 399554879901387210000
• 19988868900 cubed (19988868900³) is 7986650112704073868826769000000
• The square root of 19988868900 is 141381.9963786055
• The cube root of 19988868900 is 2713.9139489115

Scales and comparisons

• 19,988,868,900 seconds is equal to 635 years, 30 weeks, 2 days, 15 hours, 35 minutes.
• To count from 1 to 19,988,868,900 would take you about one thousand, two hundred seventy-one 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 19988868900 cubic inches would be around 226.2 feet tall.

Recreational maths with 19988868900

• 19988868900 backwards is 00986888991
• 19988868900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19988868900's digits is 66
• More coming soon!