81840634200

Names of 81840634200

• Cardinal: 81840634200 can be written as Eighty-one billion, eight hundred forty million, six hundred thirty-four thousand, two hundred.

Scientific notation

• Scientific notation: 8.18406342 × 10¹⁰

Factors of 81840634200

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 336

Divisors of 81840634200

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 25 26 27 30 36 38 39 40 45 50 52 54 57 60 65 72 75 76 78 81 90 95 100 104 108 113 114 117 120 130 135 150 152 156 162 171 180 181 190 195 200 216 225 226 228 234 247 260 270 285 300 312 324 325 339 342 351 360 362 380 390 405 450 452 456 468 475 494 513 520 540 543 565 570 585 600 648 650 675 678 684 702 724 741 760 780 810 855 900 904 905 936 950 975 988 1017 1026 1053 1080 1086 1130 1140 1170 1235 1300 1350 1356 1368 1404 1425 1448 1469 1482 1539 1560 1620 1629 1695 1710 1755 1800 1810 1900 1950 1976 2025 2034 2052 2106 2147 2172 2223 2260 2280 2340 2353 2470 2565 2600 2700 2712 2715 2808 2825 2850 2925 2938 2964 3051 3078 3240 3258 3390 3420 3439 3510 3620 3705 3800 3900 4050 4068 4104 4212 4275 4294 4344 4407 4446 4520 4525 4680 4706 4887 4940 5085 5130 5265 5400 5430 5650 5700 5850 5876 5928 6102 6156 6175 6441 6516 6669 6780 6840 6878 7020 7059 7240 7345 7410 7695 7800 8100 8136 8145 8424 8475 8550 8588 8775 8814 8892 9050 9153 9412 9774 9880 10170 10260 10317 10530 10735 10860 11115 11300 11400 11700 11752 11765 12204 12312 12350 12825 12882 13032 13221 13338 13560 13575 13756 14040 14118 14661 14690 14820 15255 15390 16200 16290 16950 17100 17176 17195 17550 17628 17784 18100 18306 18525 18824 19323 19548 20007 20340 20453 20520 20634 21060 21177 21470 21720 22035 22230 22600 23400 23530 24408 24435 24700 25425 25650 25764 26325 26442 26676 27150 27512 27911 28236 29322 29380 29640 30510 30780 30951 32205 32580 33345 33900 34200 34390 35100 35256 35295 36200 36612 36725 37050 38475 38646 39096 39663 40014 40680 40725 40906 41268 42120 42354 42940 44070 44460 44707 45765 47060 48870 49400 50850 51300 51528 51585 52650 52884 53352 53675 54300 55575 55822 56472 57969 58644 58760 58825 61020 61359 61560 61902 63531 64410 65160 66105 66690 67800 68780 70200 70590 73224 73305 73450 74100 76275 76950 77292 79326 80028 81450 81812 82536 83733 84708 85880 85975 88140 88920 89414 91530 92853 94120 96615 97740 100035 101700 102265 102600 103170 105300 105768 105885 107350 108600 110175 111150 111644 115938 117288 117650 118989 122040 122175 122718 123804 127062 128820 132210 133380 134121 137560 139555 141180 146610 146900 148200 152550 153900 154584 154755 158652 160056 161025 162900 163624 166725 167466 169416 171950 173907 176280 176475 178828 183060 184077 185706 190593 193230 195480 198315 200070 203400 204530 206340 210600 211770 214700 220350 222300 223288 223535 228825 231876 235300 237978 244350 245436 247608 251199 254124 257640 257925 264420 265889 266760 268242 278559 279110 282360 289845 293220 293800 305100 306795 307800 309510 317304 317655 322050 325800 330525 333450 334932 343900 347814 352950 357656 366120 366525 368154 371412 381186 386460 388607 396630 400140 402363 409060 412680 418665 423540 429400 440700 444600 447070 457650 463752 464265 470600 475956 483075 488700 490872 500175 502398 508248 511325 515850 528840 529425 531778 536484 552231 557118 558220 579690 586440 594945 610200 613590 619020 635310 644100 661050 666900 669864 670605 687800 695628 697775 705900 733050 736308 742824 753597 762372 772920 773775 777214 793260 797667 800280 804726 818120 837330 847080 869535 881400 894140 915300 920385 928530 951912 952965 966150 977400 991575 1000350 1004796 1022650 1031700 1058850 1063556 1072968 1104462 1114236 1116440 1117675 1159380 1165821 1189890 1207089 1227180 1238040 1255995 1270620 1288200 1322100 1329445 1333800 1341210 1391256 1392795 1395550 1411800 1449225 1466100 1472616 1507194 1524744 1533975 1547550 1554428 1586520 1588275 1595334 1609452 1656693 1674660 1739070 1788280 1830600 1840770 1857060 1905930 1932300 1943035 1983150 2000700 2009592 2011815 2045300 2063400 2093325 2117700 2127112 2208924 2228472 2235350 2260791 2318760 2321325 2331642 2379780 2393001 2414178 2454360 2511990 2541240 2644200 2658890 2682420 2761155 2785590 2791100 2898450 2932200 2974725 3014388 3067950 3095100 3108856 3176550 3190668 3218904 3313386 3349320 3353025 3478140 3497463 3621267 3681540 3714120 3767985 3811860 3864600 3886070 3966300 3988335 4001400 4023630 4090600 4186650 4235400 4347675 4417848 4470700 4521582 4601925 4642650 4663284 4759560 4764825 4786002 4828356 5023980 5051891 5317780 5364840 5522310 5571180 5582200 5796900 5829105 5949450 6028776 6035445 6135900 6190200 6279975 6353100 6381336 6626772 6647225 6706050 6956280 6963975 6994926 7179003 7242534 7363080 7535970 7623720 7772140 7932600 7976670 8047260 8283465 8373300 8695350 8941400 9043164 9203850 9285300 9326568 9529650 9572004 9656712 9715175 10047960 10059075 10103782 10492389 10635560 11044620 11142360 11303955 11593800 11658210 11898900 11965005 12070890 12271800 12559950 12706200 13253544 13294450 13412100 13805775 13927950 13989852 14358006 14485068 15071940 15155673 15544280 15953340 16094520 16566930 16746600 17390700 17487315 18086328 18106335 18407700 18570600 18839925 19059300 19144008 19430350 19941675 20118150 20207564 20984778 21537009 22089240 22607910 23316420 23797800 23930010 24141780 25119900 25259455 26588900 26824200 27611550 27855900 27979704 28716012 28970136 29145525 30143880 30177225 30311346 31477167 31906680 33133860 34781400 34974630 35895015 36212670 36815400 37679850 38118600 38860700 39883350 40236300 40415128 41417325 41969556 43074018 45215820 45467019 46632840 47860020 48283560 50239800 50518910 52461945 53177800 55223100 55711800 56519775 57432024 58291050 59825025 60354450 60622692 62954334 66267720 69949260 71790030 72425340 75359700 75778365 77721400 79766700 80472600 82834650 83939112 86148036 87436575 90431640 90531675 90934038 95720040 101037820 104923890 107685045 110446200 113039550 116582100 119650050 120708900 121245384 125908668 126297275 136401057 139898520 143580060 144850680 150719400 151556730 157385835 159533400 165669300 172296072 174873150 179475075 181063350 181868076 202075640 209847780 215370090 226079100 227335095 233164200 239300100 241417800 251817336 252594550 262309725 272802114 287160120 303113460 314771670 331338600 349746300 358950150 362126700 363736152 378891825 409203171 419695560 430740180 452158200 454670190 478600200 505189100 524619450 538425225 545604228 606226920 629543340 682005285 699492600 717900300 724253400 757783650 786929175 818406342 861480360 909340380 1010378200 1049238900 1076850450 1091208456 1136675475 1259086680 1364010570 1435800600 1515567300 1573858350 1636812684 1818680760 2046015855 2098477800 2153700900 2273350950 2728021140 3031134600 3147716700 3273625368 3410026425 4092031710 4307401800 4546701900 5456042280 6295433400 6820052850 8184063420 9093403800 10230079275 13640105700 16368126840 20460158550 27280211400 40920317100 81840634200
• Sum of all divisors σ(n): 326868141600
• Sum of proper divisors (its aliquot sum) s(n): 245027507400
• 81840634200 is an abundant number, because the sum of its proper divisors (245027507400) is greater than itself. Its abundance is 163186873200

Bases of 81840634200

• Binary: 1001100001110000101001111100101011000₂
• Hexadecimal: 0x130E14F958
• Base-36: 11LHSTI0

Squares and roots of 81840634200

• 81840634200 squared (81840634200²) is 6697889406258209640000
• 81840634200 cubed (81840634200³) is 548159516809633325894153688000000
• The square root of 81840634200 is 286078.0211760421
• The cube root of 81840634200 is 4341.6651817681

Scales and comparisons

• 81,840,634,200 seconds is equal to 2,602 years, 14 weeks, 3 days, 13 hours, 30 minutes.
• To count from 1 to 81,840,634,200 would take you about five thousand, two hundred four 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 81840634200 cubic inches would be around 361.8 feet tall.

Recreational maths with 81840634200

• 81840634200 backwards is 00243604818
• 81840634200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81840634200's digits is 36
• More coming soon!