389147331940

Names of 389147331940

• Cardinal: 389147331940 can be written as Three hundred eighty-nine billion, one hundred forty-seven million, three hundred thirty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.8914733194 × 10¹¹

Factors of 389147331940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1164

Divisors of 389147331940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 20 31 41 62 82 124 127 149 155 164 205 254 298 310 410 508 596 620 635 745 809 820 1270 1271 1490 1618 2540 2542 2980 3236 3937 4045 4619 5084 5207 6109 6355 7874 8090 9238 10414 12218 12710 15748 16180 18476 18923 19685 20828 23095 24436 25079 25420 26035 30545 33169 37846 39370 46190 50158 52070 61090 66338 75692 78740 92380 94615 100316 102743 104140 120541 122180 125395 132676 161417 165845 189230 189379 205486 241082 250790 322834 331690 378460 378758 410972 482164 501580 513715 586613 602705 645668 663380 757516 775843 807085 946895 1027430 1028239 1173226 1205410 1551686 1614170 1893790 2054860 2056478 2346452 2410820 2933065 3103372 3185033 3228340 3736771 3787580 3879215 4112956 4212463 4942181 5141195 5866130 6370066 7473542 7758430 8424926 9884362 10282390 11732260 12740132 14947084 15308707 15516860 15925165 16849852 18683855 19768724 20564780 21062315 24051133 24710905 30617414 31850330 37367710 42124630 48102266 49421810 61234828 63700660 74735420 76543535 84249260 96204532 98843620 120255665 130586353 153087070 153207611 240511330 261172706 306174140 306415222 474569917 481022660 522345412 612830444 627656987 652931765 766038055 949139834 1255313974 1305863530 1532076110 1898279668 2372849585 2510627948 2611727060 3064152220 3138284935 4745699170 6276569870 9491398340 12553139740 19457366597 38914733194 77829466388 97286832985 194573665970 389147331940
• Sum of all divisors σ(n): 877879296000
• Sum of proper divisors (its aliquot sum) s(n): 488731964060
• 389147331940 is an abundant number, because the sum of its proper divisors (488731964060) is greater than itself. Its abundance is 99584632120

Bases of 389147331940

• Binary: 101101010011010111111010000110101100100₂
• Hexadecimal: 0x5A9AFD0D64
• Base-36: 4YRS9V1G

Squares and roots of 389147331940

• 389147331940 squared (389147331940²) is 151435645956020544163600
• 389147331940 cubed (389147331940³) is 58930777584395845341091878865384000
• The square root of 389147331940 is 623816.7454789909
• The cube root of 389147331940 is 7300.8151459793

Scales and comparisons

• 389,147,331,940 seconds is equal to 12,373 years, 35 weeks, 3 days, 1 hour, 5 minutes, 40 seconds.
• To count from 1 to 389,147,331,940 would take you about twenty-four thousand, seven hundred forty-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 389147331940 cubic inches would be around 608.4 feet tall.

Recreational maths with 389147331940

• 389147331940 backwards is 049133741983
• The number of decimal digits it has is: 12
• The sum of 389147331940's digits is 52
• More coming soon!