19812427740

Names of 19812427740

• Cardinal: 19812427740 can be written as Nineteen billion, eight hundred twelve million, four hundred twenty-seven thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.981242774 × 10¹⁰

Factors of 19812427740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 113

Divisors of 19812427740

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 37 42 45 49 54 59 60 63 70 74 84 90 98 105 108 111 118 126 135 140 147 148 177 180 185 189 196 210 222 236 245 252 259 270 294 295 315 333 343 354 370 378 413 420 441 444 490 518 531 540 555 588 590 630 666 686 708 735 740 756 777 826 882 885 945 980 999 1029 1036 1062 1110 1180 1239 1260 1295 1323 1332 1372 1470 1554 1593 1652 1665 1715 1764 1770 1813 1890 1998 2058 2065 2124 2183 2205 2220 2331 2401 2478 2590 2646 2655 2891 2940 3087 3108 3186 3330 3430 3540 3626 3717 3780 3885 3996 4116 4130 4366 4410 4662 4802 4956 4995 5145 5180 5292 5310 5439 5782 6174 6195 6372 6549 6615 6660 6860 6993 7203 7252 7434 7770 7965 8260 8673 8732 8820 9065 9261 9324 9604 9990 10290 10620 10878 10915 11151 11564 11655 12005 12348 12390 12691 13098 13230 13986 14406 14455 14868 15281 15435 15540 15930 16317 16807 17346 18130 18522 18585 19647 19980 20237 20580 21609 21756 21830 22302 23310 24010 24780 25382 26019 26196 26460 27195 27972 28812 28910 30562 30870 31860 32634 32745 33614 34692 34965 36015 36260 37044 37170 38073 39294 40474 43218 43365 43660 44604 45843 46305 46620 48020 48951 50421 50764 52038 54390 55755 57820 58941 60711 61124 61740 63455 64827 65268 65490 67228 69930 72030 74340 76146 76405 78057 78588 80948 81585 84035 86436 86730 88837 91686 92610 97902 98235 100842 101185 104076 106967 108045 108780 111510 114219 117882 121422 126910 129654 130095 130980 137529 139860 141659 144060 151263 152292 152810 156114 163170 168070 173460 177674 182133 183372 185220 190365 195804 196470 201684 202370 213934 216090 223020 228438 229215 235764 242844 244755 252105 253820 259308 260190 266511 275058 283318 294705 302526 303555 305620 312228 320901 324135 326340 336140 342657 355348 364266 380730 390285 392940 404740 412587 424977 427868 432180 444185 453789 456876 458430 489510 504210 520380 533022 534835 546399 550116 566636 571095 589410 605052 607110 621859 641802 648270 685314 687645 708295 728532 748769 756315 761460 780570 799533 825174 849954 888370 907578 910665 916860 962703 979020 991613 1008420 1066044 1069670 1092798 1142190 1178820 1214220 1243718 1274931 1283604 1296540 1332555 1370628 1375290 1416590 1497538 1512630 1561140 1599066 1604505 1650348 1699908 1713285 1776740 1815156 1821330 1865577 1925406 1983226 2062935 2124885 2139340 2185596 2246307 2268945 2284380 2398599 2487436 2549862 2665110 2731995 2750580 2833180 2888109 2974839 2995076 3025260 3109295 3198132 3209010 3426570 3642660 3731154 3743845 3824793 3850812 3966452 3997665 4125870 4249770 4492614 4537890 4797198 4813515 4958065 5099724 5241383 5330220 5463990 5596731 5776218 5949678 6218590 6374655 6418020 6738921 6853140 7462308 7487690 7649586 7995330 8251740 8499540 8924517 8985228 9075780 9327885 9594396 9627030 9916130 10482766 10927980 11193462 11231535 11552436 11899356 11992995 12437180 12749310 13477842 14440545 14874195 14975380 15299172 15724149 15990660 16790193 17849034 18655770 19123965 19254060 19832260 20216763 20965532 22386924 22463070 23985990 25498620 26206915 26773551 26955684 27983655 28881090 29748390 31448298 33580386 33694605 35698068 36689681 37311540 38247930 40433526 44622585 44926140 47172447 47971980 52413830 53547102 55967310 57762180 59496780 62896596 67160772 67389210 73379362 76495860 78620745 80867052 83950965 89245170 94344894 101083815 104827660 107094204 110069043 111934620 133867755 134778420 141517341 146758724 157241490 167901930 178490340 183448405 188689788 202167630 220138086 235862235 267735510 283034682 314482980 330207129 335803860 366896810 404335260 440276172 471724470 535471020 550345215 566069364 660414258 707586705 733793620 943448940 990621387 1100690430 1320828516 1415173410 1651035645 1981242774 2201380860 2830346820 3302071290 3962485548 4953106935 6604142580 9906213870 19812427740
• Sum of all divisors σ(n): 75106483200
• Sum of proper divisors (its aliquot sum) s(n): 55294055460
• 19812427740 is an abundant number, because the sum of its proper divisors (55294055460) is greater than itself. Its abundance is 35481627720

Bases of 19812427740

• Binary: 10010011100111010011010011111011100₂
• Hexadecimal: 0x49CE9A7DC
• Base-36: 93NT330

Squares and roots of 19812427740

• 19812427740 squared (19812427740²) is 392532292952721507600
• 19812427740 cubed (19812427740³) is 7777017689742306105668860824000
• The square root of 19812427740 is 140756.6259186401
• The cube root of 19812427740 is 2705.9051249669

Scales and comparisons

• 19,812,427,740 seconds is equal to 629 years, 50 weeks, 4 days, 12 hours, 9 minutes.
• To count from 1 to 19,812,427,740 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 19812427740 cubic inches would be around 225.5 feet tall.

Recreational maths with 19812427740

• 19812427740 backwards is 04772421891
• 19812427740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19812427740's digits is 45
• More coming soon!