18200994840

Names of 18200994840

• Cardinal: 18200994840 can be written as Eighteen billion, two hundred million, nine hundred ninety-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.820099484 × 10¹⁰

Factors of 18200994840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 304

Divisors of 18200994840

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 71 72 81 84 89 90 105 108 120 126 127 135 140 142 162 168 178 180 189 210 213 216 252 254 267 270 280 284 315 324 355 356 360 378 381 405 420 426 445 497 504 508 534 540 567 568 623 630 635 639 648 710 712 756 762 801 810 840 852 889 890 945 994 1016 1065 1068 1080 1134 1143 1246 1260 1270 1278 1335 1420 1491 1512 1524 1602 1620 1704 1778 1780 1869 1890 1905 1917 1988 2130 2136 2268 2286 2403 2485 2492 2520 2540 2556 2667 2670 2835 2840 2982 3048 3115 3195 3204 3240 3429 3556 3560 3738 3780 3810 3834 3976 4005 4260 4445 4473 4536 4572 4806 4970 4984 5080 5112 5334 5340 5607 5670 5715 5751 5964 6230 6319 6390 6408 6858 7112 7209 7455 7476 7560 7620 7668 8001 8010 8520 8890 8946 9017 9144 9345 9585 9612 9940 10287 10668 10680 11214 11303 11340 11430 11502 11928 12015 12460 12638 12780 13335 13419 13716 14418 14910 14952 15240 15336 16002 16020 16821 17145 17780 17892 18034 18690 18957 19170 19224 19880 20574 21336 22365 22428 22606 22680 22860 23004 24003 24030 24920 25276 25560 26670 26838 27051 27432 28035 28755 28836 29820 31595 32004 32040 33642 33909 34290 35560 35784 36045 36068 37380 37914 38340 40005 40257 41148 44233 44730 44856 45085 45212 45720 46008 48006 48060 50463 50552 51435 53340 53676 54102 56070 56515 56871 57510 57672 59640 63119 63190 64008 67095 67284 67818 68580 72009 72090 72136 74760 75828 76680 79121 80010 80514 81153 82296 84105 88466 89460 90170 90424 94785 96012 96120 100926 101727 102870 106680 107352 108204 112140 113030 113742 115020 120015 126238 126380 132699 134190 134568 135255 135636 137160 144018 144180 151656 158242 160020 161028 162306 168210 169545 170613 176932 178920 180340 189357 189570 192024 201285 201852 203454 205740 216408 221165 224280 226060 227484 230040 237363 240030 243459 252315 252476 252760 265398 268380 270510 271272 284355 288036 288360 305181 315595 316484 320040 322056 324612 336420 339090 341226 353864 360045 360680 378714 379140 395605 398097 402570 403704 405765 406908 411480 442330 452120 454968 474726 480060 486918 504630 504952 508635 511839 530796 536760 541020 568071 568710 576072 610362 631190 632968 649224 663495 672840 678180 682452 712089 720090 730377 757428 758280 791210 796194 802513 805140 811530 813816 853065 884660 915543 946785 949452 960120 973836 1009260 1017270 1023678 1061592 1082040 1136142 1137420 1186815 1194291 1217295 1220724 1262380 1326990 1356360 1364904 1424178 1440180 1460754 1514856 1525905 1582420 1592388 1605026 1610280 1623060 1704213 1706130 1769320 1831086 1893570 1898904 1947672 1990485 2018520 2034540 2047356 2136267 2272284 2274840 2373630 2388582 2407539 2434590 2441448 2524760 2559195 2653980 2840355 2848356 2880360 2921508 3051810 3164840 3184776 3210052 3246120 3408426 3412260 3560445 3582873 3651885 3662172 3787140 3980970 4012565 4069080 4094712 4272534 4544568 4577715 4747260 4777164 4815078 4869180 5112639 5118390 5307960 5617591 5680710 5696712 5843016 5971455 6103620 6408801 6420104 6816852 6824520 7120890 7165746 7222617 7303770 7324344 7574280 7961940 8025130 8521065 8545068 9155430 9494520 9554328 9630156 9738360 10225278 10236780 10681335 11235182 11361420 11942910 12037695 12207240 12817602 13633704 14241780 14331492 14445234 14607540 15923880 16050260 16852773 17042130 17090136 17914365 18310860 19260312 20450556 20473560 21362670 21667851 22470364 22722840 23885820 24075390 25563195 25635204 28087955 28483560 28662984 28890468 29215080 32044005 32100520 33705546 34084260 35828730 36113085 36621720 40901112 42725340 43335702 44940728 47771640 48150780 50558319 51126390 51270408 56175910 57780936 64088010 65003553 67411092 68168520 71657460 72226170 84263865 85450680 86671404 96301560 101116638 102252780 108339255 112351820 128176020 130007106 134822184 143314920 144452340 151674957 168527730 173342808 202233276 204505560 216678510 224703640 252791595 256352040 260014212 288904680 303349914 325017765 337055460 404466552 433357020 455024871 505583190 520028424 606699828 650035530 674110920 758374785 866714040 910049742 1011166380 1213399656 1300071060 1516749570 1820099484 2022332760 2275124355 2600142120 3033499140 3640198968 4550248710 6066998280 9100497420 18200994840
• Sum of all divisors σ(n): 72260812800
• Sum of proper divisors (its aliquot sum) s(n): 54059817960
• 18200994840 is an abundant number, because the sum of its proper divisors (54059817960) is greater than itself. Its abundance is 35858823120

Bases of 18200994840

• Binary: 10000111100110111010010010000011000₂
• Hexadecimal: 0x43CDD2418
• Base-36: 8D0EHI0

Squares and roots of 18200994840

• 18200994840 squared (18200994840²) is 331276213165706625600
• 18200994840 cubed (18200994840³) is 6029556646443766357499411904000
• The square root of 18200994840 is 134911.0627042867
• The cube root of 18200994840 is 2630.4600408701

Scales and comparisons

• 18,200,994,840 seconds is equal to 578 years, 38 weeks, 1 day, 15 hours, 54 minutes.
• To count from 1 to 18,200,994,840 would take you about one thousand, one hundred fifty-seven 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 18200994840 cubic inches would be around 219.2 feet tall.

Recreational maths with 18200994840

• 18200994840 backwards is 04849900281
• 18200994840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18200994840's digits is 45
• More coming soon!