398906420913

Names of 398906420913

• Cardinal: 398906420913 can be written as Three hundred ninety-eight billion, nine hundred six million, four hundred twenty thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 3.98906420913 × 10¹¹

Factors of 398906420913

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 466

Divisors of 398906420913

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 11 13 21 23 33 39 63 69 77 89 91 97 99 117 143 161 207 223 231 253 267 273 291 299 429 483 623 669 679 693 759 801 819 873 897 979 1001 1067 1157 1261 1287 1449 1561 1771 1869 2007 2037 2047 2093 2231 2277 2453 2691 2899 2937 3003 3201 3289 3471 3783 4683 5129 5313 5607 6111 6141 6279 6693 6853 7359 7469 8099 8633 8697 8811 8827 9009 9603 9867 10413 11349 12727 13871 14049 14329 15387 15617 15939 17171 18423 18837 19847 20079 20293 20559 21631 22077 22407 22517 23023 24297 24541 25899 26091 26481 26611 29003 29601 31889 35903 38181 41613 42987 46161 46851 51513 56419 59541 60431 60879 61677 64893 66677 67221 67551 69069 72891 73623 77697 79443 79833 87009 89089 94963 95667 97097 107709 112229 114543 124839 128961 138929 140553 151417 154539 157619 169257 171787 178623 181293 182637 186277 194679 198559 200031 202653 203021 207207 218317 220869 223223 237941 239499 258011 261027 267267 281203 284889 287001 291291 292721 319033 323127 336687 394933 416787 454251 456481 466739 472857 497513 507771 515361 543879 558831 595677 600093 609063 654951 664741 669669 713823 733447 774033 785603 801801 843609 854667 873873 878163 957099 1010061 1184799 1234519 1250361 1362753 1369443 1389913 1400217 1418571 1492539 1528219 1546083 1665587 1676493 1787031 1806077 1827189 1925159 1964853 1968421 1994223 2009007 2049047 2141469 2184149 2200341 2233231 2322099 2356809 2530827 2581267 2634489 2838121 2871297 3093233 3195367 3482591 3554397 3703557 4108329 4169739 4200651 4477617 4584657 4996761 5021291 5134129 5418231 5472643 5775477 5905263 5934253 5982669 6147141 6467669 6552447 6601023 6699693 7070427 7743801 8514363 8641633 9279699 9586101 10447773 11110671 12509217 13476113 13753971 14990283 15063873 15289043 15402387 16254693 16417929 17326431 17715789 17802759 18068869 18441423 19403007 19657341 19866847 20099079 21176749 21652631 23231403 25027067 25543089 25924899 27839097 28393937 28758303 31343319 35149037 38308501 40428339 41539771 44278657 45191619 45273683 45867129 46207161 49253787 53408277 54206607 58209021 59600541 63530247 64957893 65276783 71144359 75081201 77774697 85181811 105447111 114925503 121285017 124619313 132835971 135821049 137601387 148237243 162619821 175189469 178801623 190590741 194873679 195830349 198757559 213433077 225243603 255545433 275297737 309950599 316341333 344776509 373857939 398507913 407463147 444711729 456937481 487065227 498010513 525568407 575622541 587491047 596272677 640299231 825893211 929851797 1334135187 1370812443 1461195681 1494031539 1576705221 1726867623 1788818031 1927084159 2477679633 2789555391 3409456589 4029357787 4112437329 4383587043 4482094617 5180602869 5781252477 6331847951 10228369767 12088073361 17343757431 18995543853 30685109301 36264220083 44322935657 56986631559 132968806971 398906420913
• Sum of all divisors σ(n): 828457943040
• Sum of proper divisors (its aliquot sum) s(n): 429551522127
• 398906420913 is an abundant number, because the sum of its proper divisors (429551522127) is greater than itself. Its abundance is 30645101214

Bases of 398906420913

• Binary: 101110011100000101011001110111010110001₂
• Hexadecimal: 0x5CE0ACEEB1
• Base-36: 5396L0A9

Squares and roots of 398906420913

• 398906420913 squared (398906420913²) is 159126332645619523753569
• 398906420913 cubed (398906420913³) is 63476515828675554608091797199988497
• The square root of 398906420913 is 631590.3901366773
• The cube root of 398906420913 is 7361.3422358133

Scales and comparisons

• 398,906,420,913 seconds is equal to 12,683 years, 51 weeks, 3 days, 11 hours, 8 minutes, 33 seconds.
• To count from 1 to 398,906,420,913 would take you about twenty-five thousand, three hundred sixty-seven 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 398906420913 cubic inches would be around 613.4 feet tall.

Recreational maths with 398906420913

• 398906420913 backwards is 319024609893
• The number of decimal digits it has is: 12
• The sum of 398906420913's digits is 54
• More coming soon!