445438921698201942

Names of 445438921698201942

• Cardinal: 445438921698201942 can be written as Four hundred forty-five quadrillion, four hundred thirty-eight trillion, nine hundred twenty-one billion, six hundred ninety-eight million, two hundred one thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 4.45438921698201942 × 10¹⁷

Factors of 445438921698201942

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24945439

Divisors of 445438921698201942

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 3931 4007 7862 8014 11793 12021 23586 24042 27517 28049 35379 36063 55034 56098 70758 72126 82551 84147 106137 108189 165102 168294 212274 216378 247653 252441 318411 324567 495306 504882 636822 649134 742959 757323 1485918 1514646 2228877 2271969 4457754 4543938 15751517 24937489 31503034 47254551 49874978 74812467 94509102 110260619 141763653 149624934 174562423 220521238 224437401 283527306 330781857 349124846 425290959 448874802 523687269 661563714 673312203 850581918 992345571 1047374538 1275872877 1346624406 1571061807 1984691142 2019936609 2551745754 2977036713 3142123614 4039873218 4713185421 5954073426 8931110139 9426370842 14139556263 17862220278 28279112526 98029269259 99924518423 196058538518 199849036846 294087807777 299773555269 588175615554 599547110538 686204884813 699471628961 882263423331 899320665807 1372409769626 1398943257922 1764526846662 1798641331614 2058614654439 2098414886883 2646790269993 2697961997421 4117229308878 4196829773766 5293580539986 5395923994842 6175843963317 6295244660649 7940370809979 8093885992263 12351687926634 12590489321298 15880741619958 16187771984526 18527531889951 18885733981947 37055063779902 37771467963894 55582595669853 56657201945841 111165191339706 113314403891682 392803281920813 785606563841626 1178409845762439 2356819691524878 2749622973445691 3535229537287317 5499245946891382 7070459074574634 8248868920337073 10605688611861951 16497737840674146 21211377223723902 24746606761011219 31817065835585853 49493213522022438 63634131671171706 74239820283033657 148479640566067314 222719460849100971 445438921698201942
• Sum of all divisors σ(n): 1141275706681397760
• Sum of proper divisors (its aliquot sum) s(n): 695836784983195818
• 445438921698201942 is an abundant number, because the sum of its proper divisors (695836784983195818) is greater than itself. Its abundance is 250397863284993876

Bases of 445438921698201942

• Binary: 11000101110100001000101011011011000111101000101000101010110₂
• Hexadecimal: 0x62E8456D8F45156
• Base-36: 3DTYX3NIYVDI

Squares and roots of 445438921698201942

• 445438921698201942 squared (445438921698201942²) is 198415832963656880856655115812571364
• 445438921698201942 cubed (445438921698201942³) is 88382134683181873121786860092461052100230478358388888
• The square root of 445438921698201942 is 667412107.8450719431
• The cube root of 445438921698201942 is 763711.6004945221

Scales and comparisons

• 445,438,921,698,201,942 seconds is equal to 14,163,579,876 years, 49 weeks, 3 days, 16 hours, 5 minutes, 42 seconds.
• To count from 1 to 445,438,921,698,201,942 would take you about forty-two billion, four hundred ninety million, seven hundred thirty-nine thousand, six hundred thirty 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 445438921698201942 cubic inches would be around 63642.6 feet tall.

Recreational maths with 445438921698201942

• 445438921698201942 backwards is 249102896129834544
• 445438921698201942 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 445438921698201942's digits is 81
• More coming soon!