80918904690

Names of 80918904690

• Cardinal: 80918904690 can be written as Eighty billion, nine hundred eighteen million, nine hundred four thousand, six hundred ninety.

Scientific notation

• Scientific notation: 8.091890469 × 10¹⁰

Factors of 80918904690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 612

Divisors of 80918904690

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 26 27 30 34 39 45 51 54 65 78 85 90 102 117 130 135 153 170 195 221 234 241 255 270 289 306 331 351 390 442 459 482 510 578 585 662 663 702 723 765 867 918 993 1105 1170 1205 1326 1445 1446 1530 1655 1734 1755 1986 1989 2169 2210 2295 2410 2601 2890 2979 3133 3310 3315 3510 3615 3757 3978 4097 4303 4335 4338 4590 4965 5202 5627 5958 5967 6266 6507 6630 7230 7514 7803 8194 8606 8670 8937 9399 9930 9945 10845 11254 11271 11934 12291 12909 13005 13014 14895 15606 15665 16881 17874 18785 18798 19890 20485 21515 21690 22542 24582 25818 26010 28135 28197 29790 29835 31330 32535 33762 33813 36873 37570 38727 39015 40970 43030 44685 46995 50643 53261 56270 56355 56394 59670 61455 64545 65070 67626 69649 73151 73746 77454 78030 79771 84405 84591 89370 93990 95659 101286 101439 106522 110619 112710 116181 122910 129090 139298 140985 146302 151929 159542 159783 168810 169065 169182 184365 191318 193635 202878 208947 219453 221238 232362 239313 253215 266305 281970 286977 303858 319566 338130 348245 365755 368730 387270 398855 417894 422955 438906 478295 478626 479349 506430 507195 532610 553095 573954 580905 626841 658359 696490 717939 731510 759645 797710 798915 845910 860931 905437 956590 958698 1014390 1037023 1044735 1097265 1106190 1161810 1196565 1243567 1253682 1316718 1356107 1434885 1435878 1438047 1519290 1597830 1721862 1810874 1880523 1975077 2074046 2089470 2153817 2194530 2393130 2396745 2487134 2582793 2712214 2716311 2869770 2876094 3111069 3134205 3291795 3589695 3730701 3761046 3950154 4068321 4304655 4307634 4527185 4793490 5165586 5185115 5432622 6217835 6222138 6268410 6583590 6780535 7179390 7190235 7461402 8136642 8148933 8609310 9054370 9333207 9402615 9875385 10370230 10769085 11192103 12204963 12435670 12913965 13561070 13581555 14380470 15555345 16297866 17629391 18653505 18666414 18805230 19750770 20341605 21538170 22384206 23053819 24409926 24446799 25827930 27163110 27999621 31110690 33576309 35258782 36614889 37307010 40683210 40744665 46107638 46666035 48893598 52888173 55960515 55999242 61024815 67152618 69161457 73229778 81489330 88146955 93332070 105776346 111921030 115269095 122049630 122233995 138322914 139998105 158664519 167881545 176293910 183074445 207484371 230538190 244467990 264440865 279996210 299699647 317329038 335763090 345807285 366148890 414968742 475993557 528881730 599399294 622453113 691614570 793322595 899098941 951987114 1037421855 1244906226 1498498235 1586645190 1798197882 2074843710 2379967785 2697296823 2996996470 3112265565 4495494705 4759935570 5394593646 6224531130 8091890469 8990989410 13486484115 16183780938 26972968230 40459452345 80918904690
• Sum of all divisors σ(n): 248629328640
• Sum of proper divisors (its aliquot sum) s(n): 167710423950
• 80918904690 is an abundant number, because the sum of its proper divisors (167710423950) is greater than itself. Its abundance is 86791519260

Bases of 80918904690

• Binary: 1001011010111001001000111111101110010₂
• Hexadecimal: 0x12D7247F72
• Base-36: 11690YGI

Squares and roots of 80918904690

• 80918904690 squared (80918904690²) is 6547869136229303996100
• 80918904690 cubed (80918904690³) is 529846398557131676045452031709000
• The square root of 80918904690 is 284462.4838005883
• The cube root of 80918904690 is 4325.3042821549

Scales and comparisons

• 80,918,904,690 seconds is equal to 2,572 years, 50 weeks, 3 days, 9 hours, 31 minutes, 30 seconds.
• To count from 1 to 80,918,904,690 would take you about five thousand, one hundred forty-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 80918904690 cubic inches would be around 360.4 feet tall.

Recreational maths with 80918904690

• 80918904690 backwards is 09640981908
• 80918904690 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80918904690's digits is 54
• More coming soon!