18801993210

Names of 18801993210

• Cardinal: 18801993210 can be written as Eighteen billion, eight hundred one million, nine hundred ninety-three thousand, two hundred ten.

Scientific notation

• Scientific notation: 1.880199321 × 10¹⁰

Factors of 18801993210

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1154

Divisors of 18801993210

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 10 11 13 14 15 19 21 22 26 30 31 33 35 38 39 42 55 57 62 65 66 70 77 78 91 93 95 105 110 114 130 133 143 154 155 165 182 186 190 195 209 210 217 231 247 266 273 285 286 310 330 341 385 390 399 403 418 429 434 455 462 465 494 546 570 589 627 651 665 682 715 741 770 798 806 858 910 930 1001 1023 1045 1063 1085 1155 1178 1209 1235 1254 1302 1330 1365 1430 1463 1482 1705 1729 1767 1995 2002 2015 2046 2090 2126 2145 2170 2310 2387 2418 2470 2717 2730 2821 2926 2945 3003 3135 3189 3255 3410 3458 3534 3705 3990 4030 4123 4290 4389 4433 4774 5005 5115 5187 5315 5434 5642 5890 6006 6045 6270 6378 6479 6510 7161 7315 7410 7441 7657 8151 8246 8463 8645 8778 8835 8866 10010 10230 10374 10630 11693 11935 12090 12369 12958 13299 13585 13819 14105 14322 14630 14882 15015 15314 15945 16302 16926 17290 17670 19019 19437 20197 20615 21945 22165 22323 22971 23386 23870 24738 25935 26598 27170 27638 28210 30030 31031 31890 32395 32953 35079 35805 37205 38038 38285 38874 40394 40755 41230 41457 42315 43890 44330 44646 45353 45942 51870 53599 57057 58465 60591 61845 62062 64790 65906 66495 69095 70158 71610 74410 76570 81510 81851 82914 84227 84630 90706 93093 95095 96733 97185 98859 100985 107198 111615 114114 114855 116930 121182 123690 132990 136059 138190 141379 152009 155155 160797 163702 164765 168454 175395 186186 190190 193466 194370 197718 201970 207285 222167 223230 226765 229710 230671 245553 252681 262561 267995 272118 282758 285285 290199 302955 304018 310310 321594 329530 350790 362483 409255 414570 421135 424137 428389 444334 453530 456027 461342 465465 483665 491106 494295 505362 525122 535990 570570 580398 589589 605910 626107 666501 680295 692013 706895 724966 760045 787683 803985 818510 842270 848274 856778 912054 930930 967330 988590 1064063 1087449 1110835 1153355 1179178 1227765 1252214 1263405 1285167 1312805 1333002 1360590 1384026 1413790 1450995 1520090 1555169 1575366 1607970 1768767 1812415 1837927 1878321 2120685 2128126 2141945 2174898 2221670 2280135 2306710 2455530 2526810 2537381 2570334 2625610 2888171 2901990 2947945 2998723 3110338 3130535 3192189 3332505 3460065 3537534 3624830 3675854 3756642 3938415 4241370 4283890 4382749 4560270 4665507 4712279 5074762 5320315 5437245 5513781 5776342 5895890 5997446 6261070 6384378 6425835 6665010 6887177 6920130 7612143 7775845 7876830 8139391 8664513 8765498 8843835 8996169 9189635 9331014 9391605 9424558 10640630 10874490 11027562 12686905 12851670 13148247 13774354 14136837 14440855 14993615 15224286 15551690 15960945 16278782 17329026 17687670 17992338 18379270 18783210 20217197 20661531 21913745 23327535 23561395 24418173 25373810 26296494 27568905 28273674 28881710 29987230 31921890 32985953 34435885 38060715 40434394 40696955 41323062 43322565 43827490 44980845 46655070 47122790 48210239 48836346 55137810 56975737 60651591 65741235 65971906 68871770 70684185 76121430 81393910 86645130 89533301 89961690 96420478 98957859 101085985 103307655 113951474 121303182 122090865 131482470 141368370 144630717 164929765 170927211 179066602 197915718 202171970 206615310 241051195 244181730 268599903 284878685 289261434 303257955 329859530 341854422 447666505 482102390 494789295 537199806 569757370 606515910 626733107 723153585 854636055 895333010 989578590 1253466214 1342999515 1446307170 1709272110 1880199321 2685999030 3133665535 3760398642 6267331070 9400996605 18801993210
• Sum of all divisors σ(n): 65895137280
• Sum of proper divisors (its aliquot sum) s(n): 47093144070
• 18801993210 is an abundant number, because the sum of its proper divisors (47093144070) is greater than itself. Its abundance is 28291150860

Bases of 18801993210

• Binary: 10001100000101011111010010111111010₂
• Hexadecimal: 0x460AFA5FA
• Base-36: 8MY7YT6

Squares and roots of 18801993210

• 18801993210 squared (18801993210²) is 353514948668886104100
• 18801993210 cubed (18801993210³) is 6646785664505895067551553161000
• The square root of 18801993210 is 137120.3603043691
• The cube root of 18801993210 is 2659.0997580161

Scales and comparisons

• 18,801,993,210 seconds is equal to 597 years, 43 weeks, 6 days, 15 hours, 53 minutes, 30 seconds.
• To count from 1 to 18,801,993,210 would take you about one thousand, one hundred ninety-five 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 18801993210 cubic inches would be around 221.6 feet tall.

Recreational maths with 18801993210

• 18801993210 backwards is 01239910881
• 18801993210 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18801993210's digits is 42
• More coming soon!