19808672640

Names of 19808672640

• Cardinal: 19808672640 can be written as Nineteen billion, eight hundred eight million, six hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.980867264 × 10¹⁰

Factors of 19808672640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 258

Divisors of 19808672640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 47 48 60 62 64 73 80 93 94 96 97 120 124 128 141 146 155 160 186 188 192 194 219 235 240 248 282 291 292 310 320 365 372 376 384 388 438 465 470 480 485 496 564 582 584 620 640 705 730 744 752 776 876 930 940 960 970 992 1095 1128 1164 1168 1240 1410 1455 1457 1460 1488 1504 1552 1752 1860 1880 1920 1940 1984 2190 2256 2263 2328 2336 2480 2820 2910 2914 2920 2976 3007 3008 3104 3431 3504 3720 3760 3880 3968 4371 4380 4512 4526 4559 4656 4672 4960 5640 5820 5828 5840 5952 6014 6016 6208 6789 6862 7008 7081 7285 7440 7520 7760 8742 8760 9021 9024 9052 9118 9312 9344 9920 10293 11280 11315 11640 11656 11680 11904 12028 12416 13578 13677 13724 14016 14162 14570 14880 15035 15040 15520 17155 17484 17520 18042 18048 18104 18236 18624 19840 20586 21243 21855 22560 22630 22795 23280 23312 23360 24056 27156 27354 27448 28032 28324 29140 29760 30070 30080 31040 33945 34310 34968 35040 35405 36084 36208 36472 37248 41172 42486 43710 45105 45120 45260 45590 46560 46624 46720 48112 51465 54312 54708 54896 56648 58280 59520 60140 62080 67890 68385 68620 69936 70080 70810 72168 72416 72944 82344 84972 87420 90210 90240 90520 91180 93120 93248 96224 102930 106215 106361 108624 109416 109792 113296 116560 120280 135780 136770 137240 139872 140160 141329 141620 144336 144832 145888 164688 169944 174840 180420 181040 182360 186240 186496 192448 205860 212430 212722 217248 218832 219511 219584 226592 233120 240560 271560 273540 274480 279744 282658 283240 288672 289664 291776 319083 329376 332807 339888 349680 360840 362080 364720 384896 411720 423987 424860 425444 434496 437664 439022 439168 453184 466240 481120 531805 543120 547080 548960 559488 565316 566480 577344 583552 638166 658533 658752 665614 679776 699360 706645 721680 724160 729440 823440 847974 849720 850888 868992 875328 878044 906368 932480 962240 998421 1063610 1086240 1094160 1097555 1097920 1130632 1132960 1154688 1276332 1317066 1317504 1331228 1359552 1398720 1413290 1443360 1448320 1458880 1595415 1646880 1664035 1695948 1699440 1701776 1750656 1756088 1924480 1996842 2119935 2127220 2172480 2188320 2195110 2195840 2261264 2265920 2552664 2634132 2662456 2719104 2797440 2826580 2886720 2917760 3190830 3292665 3293760 3328070 3391896 3398880 3403552 3512176 3993684 4239870 4254440 4344960 4376640 4390220 4522528 4531840 4992105 5105328 5268264 5324912 5653160 5773440 6381660 6585330 6587520 6656140 6783792 6797760 6807104 7024352 7987368 8479740 8508880 8753280 8780440 9045056 9984210 10210656 10317017 10536528 10649824 11306320 12763320 13170660 13312280 13567584 13595520 13614208 14048704 15974736 16959480 17017760 17560880 18090112 19968420 20421312 20634034 21073056 21299648 22612640 25526640 26341320 26624560 27135168 28097408 30951051 31949472 33918960 34035520 35121760 39936840 40842624 41268068 42146112 42599296 45225280 51053280 51585085 52682640 53249120 54270336 61902102 63898944 67837920 68071040 70243520 79873680 82536136 84292224 90450560 102106560 103170170 105365280 106498240 123804204 127797888 135675840 140487040 154755255 159747360 165072272 204213120 206340340 210730560 212996480 247608408 271351680 309510510 319494720 330144544 412680680 421461120 495216816 619021020 638989440 660289088 825361360 990433632 1238042040 1320578176 1650722720 1980867264 2476084080 3301445440 3961734528 4952168160 6602890880 9904336320 19808672640
• Sum of all divisors σ(n): 68171120640
• Sum of proper divisors (its aliquot sum) s(n): 48362448000
• 19808672640 is an abundant number, because the sum of its proper divisors (48362448000) is greater than itself. Its abundance is 28553775360

Bases of 19808672640

• Binary: 10010011100101100000101101110000000₂
• Hexadecimal: 0x49CB05B80
• Base-36: 93LKLMO

Squares and roots of 19808672640

• 19808672640 squared (19808672640²) is 392383511758684569600
• 19808672640 cubed (19808672640³) is 7772596533761373316225695744000
• The square root of 19808672640 is 140743.2863052445
• The cube root of 19808672640 is 2705.7341617971

Scales and comparisons

• 19,808,672,640 seconds is equal to 629 years, 44 weeks, 3 days, 1 hour, 4 minutes.
• To count from 1 to 19,808,672,640 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 19808672640 cubic inches would be around 225.5 feet tall.

Recreational maths with 19808672640

• 19808672640 backwards is 04627680891
• The number of decimal digits it has is: 11
• The sum of 19808672640's digits is 51
• More coming soon!