381942856818

Names of 381942856818

• Cardinal: 381942856818 can be written as Three hundred eighty-one billion, nine hundred forty-two million, eight hundred fifty-six thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 3.81942856818 × 10¹¹

Factors of 381942856818

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6680

Divisors of 381942856818

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 18 19 23 27 37 38 46 54 57 67 69 74 111 114 134 138 171 201 207 222 333 342 402 414 437 513 603 621 666 703 851 874 999 1026 1206 1242 1273 1311 1406 1541 1702 1809 1998 2109 2479 2546 2553 2622 3082 3618 3819 3933 4218 4623 4958 5106 6327 6529 7437 7638 7659 7866 9246 11457 11799 12654 13058 13869 14874 15318 16169 18981 19587 22311 22914 22977 23598 27738 29279 32338 34371 37962 39174 41607 44622 45954 47101 48507 57017 58558 58761 66933 68742 83214 87837 94202 97014 114034 117522 124051 133866 141303 145521 150167 171051 175674 176283 241573 248102 263511 282606 291042 300334 342102 352566 372153 423909 436563 437443 450501 483146 513153 527022 724719 744306 790533 847818 873126 874886 901002 1026306 1083323 1116459 1271727 1312329 1351503 1449438 1539459 1581066 2166646 2174157 2232918 2543454 2624658 2703006 2853173 3078918 3249969 3349377 3936987 4054509 4348314 4589887 5556179 5706346 6499938 6522471 6698754 7873974 8109018 8311417 8559519 9179774 9749907 10061189 11112358 11810961 13044942 13769661 16185391 16622834 16668537 17119038 19499814 20122378 23621922 24934251 25678557 27539322 29249721 30183567 32370782 33337074 41308983 48556173 49868502 50005611 51357114 58499442 60367134 74802753 77035671 82617966 90550701 97112346 100011222 105567401 123926949 145668519 149605506 150016833 154071342 181101402 191162591 211134802 224408259 247853898 271652103 291337038 300033666 307522429 316702203 372263993 382325182 437005557 448816518 543304206 573487773 615044858 633404406 744527986 874011114 922567287 950106609 1116791979 1146975546 1720463319 1845134574 1900213218 2233583958 2767701861 2850319827 3350375937 3440926638 5161389957 5535403722 5700639654 6700751874 7073015867 8303105583 10051127811 10322779914 14146031734 16606211166 20102255622 21219047601 42438095202 63657142803 127314285606 190971428409 381942856818
• Sum of all divisors σ(n): 971914752000
• Sum of proper divisors (its aliquot sum) s(n): 589971895182
• 381942856818 is an abundant number, because the sum of its proper divisors (589971895182) is greater than itself. Its abundance is 208029038364

Bases of 381942856818

• Binary: 101100011101101100100010111110001110010₂
• Hexadecimal: 0x58ED917C72
• Base-36: 4VGMWYGI

Squares and roots of 381942856818

• 381942856818 squared (381942856818²) is 145880345874295249085124
• 381942856818 cubed (381942856818³) is 55717956056826267347977161425775432
• The square root of 381942856818 is 618015.2561369339
• The cube root of 381942856818 is 7255.4796896789

Scales and comparisons

• 381,942,856,818 seconds is equal to 12,144 years, 31 weeks, 1 day, 22 hours, 18 seconds.
• To count from 1 to 381,942,856,818 would take you about twenty-four thousand, two hundred eighty-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 381942856818 cubic inches would be around 604.6 feet tall.

Recreational maths with 381942856818

• 381942856818 backwards is 818658249183
• The number of decimal digits it has is: 12
• The sum of 381942856818's digits is 63
• More coming soon!