40638998673

Names of 40638998673

• Cardinal: 40638998673 can be written as Forty billion, six hundred thirty-eight million, nine hundred ninety-eight thousand, six hundred seventy-three.

Scientific notation

• Scientific notation: 4.0638998673 × 10¹⁰

Factors of 40638998673

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 241

Divisors of 40638998673

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 57 61 63 67 71 81 91 117 133 171 183 189 201 213 247 273 351 399 427 469 497 513 549 567 603 639 741 793 819 871 923 1053 1159 1197 1273 1281 1349 1407 1491 1539 1647 1729 1809 1917 2223 2379 2457 2613 2769 3477 3591 3819 3843 4047 4087 4221 4331 4473 4757 4941 5187 5427 5551 5751 6097 6461 6669 7137 7371 7839 8113 8307 8911 9443 10431 10773 11457 11529 12141 12261 12663 12993 13419 14271 15067 15561 16549 16653 17537 18291 19383 20007 21411 23517 24339 24921 26733 28329 28609 30317 31293 33299 34371 34587 36423 36783 37989 38979 40257 42813 45201 46683 49647 49959 52611 53131 54873 56303 58149 61841 64233 70551 73017 74763 77653 80199 82289 84987 85827 90383 90951 93879 99897 103113 105469 109269 110349 115843 116937 122759 128439 135603 140049 148941 149877 157833 159393 164619 168909 174447 185523 219051 232959 240597 246867 254961 257481 271149 272853 290177 299691 316407 331047 347529 350811 368277 371917 385317 394121 406809 432887 446823 449631 473499 478179 493857 506727 523341 543571 556569 576023 632681 657153 698877 721791 740601 764883 772443 813447 818559 870531 899073 949221 1009489 1042587 1069757 1104831 1115751 1174979 1182363 1220427 1298661 1340469 1420497 1434537 1520181 1630713 1669707 1728069 1898043 2031239 2096631 2221803 2317329 2440341 2455677 2611593 2697219 2847663 3028467 3127761 3209271 3314493 3347253 3524937 3547089 3772301 3895983 4303611 4560543 4892139 5009121 5184207 5513363 5694129 6093717 6289893 6665409 7066423 7321023 7488299 7834779 8224853 8542989 9085401 9383283 9627813 9943479 10041759 10574811 10641267 11316903 11687949 14676417 15552621 16540089 17082387 18281151 21199269 22464897 23504337 24674559 26406107 27256203 28883439 30125277 31724433 31923801 33950709 35063847 38593541 44029251 46657863 49620267 51247161 54843453 63597807 67394691 71673719 74023677 79218321 81768609 86650317 95173299 101852127 115780623 148860801 164530359 190793421 202184073 215021157 222071031 237654963 305556381 347341869 446582403 501716033 572380263 606552219 645063471 666213093 712964889 1042025607 1505148099 1935190413 2138894667 3126076821 4515444297 5805571239 13546332891 40638998673
• Sum of all divisors σ(n): 82274734080
• Sum of proper divisors (its aliquot sum) s(n): 41635735407
• 40638998673 is an abundant number, because the sum of its proper divisors (41635735407) is greater than itself. Its abundance is 996736734

Bases of 40638998673

• Binary: 100101110110010001011110100010010001₂
• Hexadecimal: 0x97645E891
• Base-36: IO3ES29

Squares and roots of 40638998673

• 40638998673 squared (40638998673²) is 1651528213144095760929
• 40638998673 cubed (40638998673³) is 67116452862384968786178556247217
• The square root of 40638998673 is 201591.1671502499
• The cube root of 40638998673 is 3438.0669764827

Scales and comparisons

• 40,638,998,673 seconds is equal to 1,292 years, 10 weeks, 18 hours, 44 minutes, 33 seconds.
• To count from 1 to 40,638,998,673 would take you about two thousand, five hundred eighty-four 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 40638998673 cubic inches would be around 286.5 feet tall.

Recreational maths with 40638998673

• 40638998673 backwards is 37689983604
• 40638998673 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40638998673's digits is 63
• More coming soon!