400821990441642

Names of 400821990441642

• Cardinal: 400821990441642 can be written as Four hundred trillion, eight hundred twenty-one billion, nine hundred ninety million, four hundred forty-one thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 4.00821990441642 × 10¹⁴

Factors of 400821990441642

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 834

Divisors of 400821990441642

• Number of divisors d(n): 1512
• Complete list of divisors:
  1 2 3 6 7 9 11 14 17 18 21 22 27 33 34 42 49 51 54 61 63 66 77 81 98 99 102 119 121 122 126 147 153 154 162 183 187 189 198 231 238 242 243 294 297 306 357 363 366 374 378 427 441 459 462 486 539 549 561 567 594 671 693 714 726 729 733 833 847 854 882 891 918 1037 1071 1078 1089 1098 1122 1134 1281 1309 1323 1342 1377 1386 1458 1466 1617 1647 1666 1683 1694 1701 1782 2013 2057 2074 2079 2142 2178 2199 2499 2541 2562 2618 2646 2673 2754 2989 3111 3213 3234 3267 3294 3366 3402 3721 3843 3927 3969 4026 4114 4131 4158 4398 4697 4851 4941 4998 5049 5082 5103 5131 5346 5929 5978 6039 6171 6222 6237 6426 6534 6597 7259 7381 7442 7497 7623 7686 7854 7938 8019 8063 8262 8967 9163 9333 9394 9639 9702 9801 9882 10098 10206 10262 11163 11407 11529 11781 11858 11907 12078 12342 12393 12461 12474 13194 14091 14399 14518 14553 14762 14823 14994 15147 15246 15393 16038 16126 17787 17934 18117 18326 18513 18666 18711 19278 19602 19791 21777 22143 22326 22491 22814 22869 23058 23562 23814 24189 24786 24922 26047 26901 27489 27999 28182 28798 28917 29106 29403 29646 30294 30786 32879 33489 34221 34587 35343 35574 35721 35917 36234 37026 37383 37422 39582 40931 42273 43197 43554 43659 44286 44469 44713 44982 45441 45738 46179 48378 50813 51667 52094 53361 53802 54351 54978 55539 55998 56133 56441 57834 58806 59373 63257 65331 65758 66429 66978 67473 68442 68607 69174 70686 71442 71834 72567 74766 78141 79849 80703 81862 82467 83997 84546 86394 86751 87227 87318 88209 88693 88938 89426 90882 92358 98637 100467 100793 101626 102663 103334 103761 106029 106722 107751 108702 111078 112149 112266 112882 118746 122793 125477 126514 126819 129591 130662 130977 132858 134139 134946 136323 137071 137214 138537 145134 152439 155001 156282 159698 160083 161406 163053 164934 166617 167994 169323 173502 174454 176418 177386 178119 182329 189771 195993 197274 199287 200934 201586 202419 205326 205821 207522 212058 215502 217701 224298 234423 239547 242109 245586 247401 250954 251991 253638 259182 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5205480395346 6073060461237 6362253816534 6570852302322 7422629452623 7859254714542 8180040621258 9543380724801 11788882071813 12146120922474 14845258905246 18219181383711 19086761449602 22267888357869 23577764143626 28630142174403 36438362767422 44535776715738 57260284348806 66803665073607 133607330147214 200410995220821 400821990441642
• Sum of all divisors σ(n): 1242432546686604
• Sum of proper divisors (its aliquot sum) s(n): 841610556244962
• 400821990441642 is an abundant number, because the sum of its proper divisors (841610556244962) is greater than itself. Its abundance is 440788565803320

Bases of 400821990441642

• Binary: 1011011001000101110100100010110111100001010101010₂
• Hexadecimal: 0x16C8BA45BC2AA
• Base-36: 3Y2V2W6WMI

Squares and roots of 400821990441642

• 400821990441642 squared (400821990441642²) is 160658268021599750810207656164
• 400821990441642 cubed (400821990441642³) is 64395366769324413908846902204211976043581288
• The square root of 400821990441642 is 20020539.2145576839
• The cube root of 400821990441642 is 73731.0660848767

Scales and comparisons

• 400,821,990,441,642 seconds is equal to 12,744,899 years, 24 weeks, 3 days, 21 hours, 20 minutes, 42 seconds.
• To count from 1 to 400,821,990,441,642 would take you about thirty-one million, eight hundred sixty-two thousand, two hundred forty-eight 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 400821990441642 cubic inches would be around 6144.3 feet tall.

Recreational maths with 400821990441642

• 400821990441642 backwards is 246144099128004
• 400821990441642 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 400821990441642's digits is 54
• More coming soon!