389440254138

Names of 389440254138

• Cardinal: 389440254138 can be written as Three hundred eighty-nine billion, four hundred forty million, two hundred fifty-four thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.89440254138 × 10¹¹

Factors of 389440254138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 229

Divisors of 389440254138

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 13 26 37 39 47 74 78 94 111 127 141 169 222 254 282 338 381 481 507 611 762 962 1014 1222 1369 1443 1651 1739 1833 2209 2738 2886 3302 3478 3666 4107 4418 4699 4953 5217 5969 6253 6627 7943 8214 9398 9906 10434 11938 12506 13254 14097 15886 17797 17907 18759 21463 22607 23829 28194 28717 35594 35814 37518 42926 45214 47658 53391 57434 61087 64343 64389 67821 77597 81733 86151 106782 122174 128686 128778 135642 155194 163466 172302 173863 183261 193029 220853 231361 232791 245199 280543 293891 347726 366522 373321 386058 441706 462722 465582 490398 521589 561086 587782 662559 694083 746642 794131 836459 841629 881673 1008761 1043178 1062529 1119963 1325118 1388166 1588262 1672918 1683258 1763346 2017522 2125058 2239926 2260219 2382393 2509377 2871089 3024121 3026283 3187587 3647059 4520438 4764786 5018754 5742178 6048242 6052566 6375174 6780657 7294118 8171561 8613267 9072363 10380091 10873967 10941177 13561314 13812877 16343122 17226534 18144726 20760182 21747934 21882354 24514683 27625754 29382847 31140273 32621901 37324157 39313573 41438631 47411767 49029366 58765694 62280546 65243802 74648314 78627146 82877262 88148541 94823534 106230293 111972471 117940719 134941183 142235301 176297082 212460586 223944942 235881438 269882366 284470602 318690879 384063367 404823549 511076449 637381758 768126734 809647098 1022152898 1152190101 1380993809 1533229347 1754235379 2304380202 2761987618 3066458694 3508470758 4142981427 4992823771 5262706137 8285962854 9985647542 10525412274 14978471313 29956942626 64906709023 129813418046 194720127069 389440254138
• Sum of all divisors σ(n): 892622771712
• Sum of proper divisors (its aliquot sum) s(n): 503182517574
• 389440254138 is an abundant number, because the sum of its proper divisors (503182517574) is greater than itself. Its abundance is 113742263436

Bases of 389440254138

• Binary: 101101010101100011100101011000010111010₂
• Hexadecimal: 0x5AAC72B0BA
• Base-36: 4YWMO796

Squares and roots of 389440254138

• 389440254138 squared (389440254138²) is 151663711543070026123044
• 389440254138 cubed (389440254138³) is 59063954366845515106088554218156072
• The square root of 389440254138 is 624051.4835636561
• The cube root of 389440254138 is 7302.6465298631

Scales and comparisons

• 389,440,254,138 seconds is equal to 12,382 years, 51 weeks, 5 days, 8 hours, 22 minutes, 18 seconds.
• To count from 1 to 389,440,254,138 would take you about twenty-four thousand, seven hundred sixty-five 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 389440254138 cubic inches would be around 608.6 feet tall.

Recreational maths with 389440254138

• 389440254138 backwards is 831452044983
• The number of decimal digits it has is: 12
• The sum of 389440254138's digits is 51
• More coming soon!