31143929838

Names of 31143929838

• Cardinal: 31143929838 can be written as Thirty-one billion, one hundred forty-three million, nine hundred twenty-nine thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 3.1143929838 × 10¹⁰

Factors of 31143929838

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 643

Divisors of 31143929838

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 14 19 21 23 31 38 42 46 57 62 69 93 114 127 133 138 161 186 217 254 266 322 381 399 431 434 437 483 589 651 713 762 798 862 874 889 966 1178 1293 1302 1311 1426 1767 1778 2139 2413 2586 2622 2667 2921 3017 3059 3534 3937 4123 4278 4826 4991 5334 5842 6034 6118 7239 7874 8189 8246 8763 9051 9177 9913 9982 11811 12369 13361 13547 14478 14973 16378 16891 17526 18102 18354 19826 20447 23622 24567 24738 26722 27094 27559 29739 29946 33782 40083 40641 40894 49134 50673 54737 55118 55499 57323 59478 61341 69391 74803 80166 81282 82677 90551 93527 94829 101346 109474 110998 114646 122682 138782 149606 164211 165354 166497 171969 181102 187054 188347 189658 208173 224409 253859 271653 280581 284487 307303 328422 332994 343938 376694 383159 388493 416346 448818 507718 523621 543306 561162 565041 568974 614606 633857 761577 766318 776986 921909 1040003 1047242 1130082 1149477 1165479 1258951 1267714 1318429 1523154 1570863 1696847 1720469 1777013 1843818 1901571 2080006 2151121 2298954 2330958 2517902 2636858 3120009 3141726 3393694 3440938 3554026 3776853 3803142 3955287 4302242 5090541 5161407 5331039 5838757 6240018 6453363 7280021 7553706 7910574 8812657 10181082 10322814 10662078 11677514 11877929 12043283 12906726 14560042 17516271 17625314 21840063 23755858 23920069 24086566 26437971 32240093 35032542 35633787 36129849 39027481 40871299 43680126 47840138 52875942 64480186 71267574 71760207 72259698 78054962 81742598 96720279 117082443 122613897 143520414 167440483 193440558 225680651 234164886 245227794 273192367 334880966 451361302 502321449 546384734 677041953 741522139 819577101 1004642898 1354083906 1483044278 1639154202 2224566417 4449132834 5190654973 10381309946 15571964919 31143929838
• Sum of all divisors σ(n): 81537269760
• Sum of proper divisors (its aliquot sum) s(n): 50393339922
• 31143929838 is an abundant number, because the sum of its proper divisors (50393339922) is greater than itself. Its abundance is 19249410084

Bases of 31143929838

• Binary: 11101000000010100101010011111101110₂
• Hexadecimal: 0x74052A7EE
• Base-36: EB2AI26

Squares and roots of 31143929838

• 31143929838 squared (31143929838²) is 969944365754266706244
• 31143929838 cubed (31143929838³) is 30207879273814292248402492508472
• The square root of 31143929838 is 176476.4285620037
• The cube root of 31143929838 is 3146.2348509245

Scales and comparisons

• 31,143,929,838 seconds is equal to 990 years, 14 weeks, 4 days, 3 hours, 37 minutes, 18 seconds.
• To count from 1 to 31,143,929,838 would take you about one thousand, nine hundred eighty 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 31143929838 cubic inches would be around 262.2 feet tall.

Recreational maths with 31143929838

• 31143929838 backwards is 83892934113
• The number of decimal digits it has is: 11
• The sum of 31143929838's digits is 51
• More coming soon!