31386894336

Names of 31386894336

• Cardinal: 31386894336 can be written as Thirty-one billion, three hundred eighty-six million, eight hundred ninety-four thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 3.1386894336 × 10¹⁰

Factors of 31386894336

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 193

Divisors of 31386894336

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 181 189 192 196 216 224 252 256 288 294 336 362 378 384 392 432 441 448 504 512 543 576 588 672 724 756 768 784 864 882 896 1008 1024 1086 1152 1176 1267 1323 1344 1448 1512 1536 1568 1629 1728 1764 1792 2016 2048 2172 2304 2352 2534 2646 2688 2896 3024 3072 3136 3258 3456 3528 3584 3801 4032 4096 4344 4608 4704 4887 5068 5292 5376 5792 6048 6144 6272 6516 6912 7056 7168 7602 8064 8192 8688 8869 9216 9408 9774 10136 10584 10752 11403 11584 12096 12288 12544 13032 13824 14112 14336 15204 16128 16384 17376 17738 18432 18816 19548 20272 21168 21504 22806 23168 24192 24576 25088 26064 26607 27648 28224 28672 30408 32256 32768 34209 34752 35476 36864 37632 39096 40544 42336 43008 45612 46336 48384 49152 50176 52128 53214 55296 56448 57344 60816 64512 65536 68418 69504 70952 73728 75264 78192 79821 81088 84672 86016 91224 92672 96768 98304 100352 104256 106428 110592 112896 114688 121632 129024 131072 136836 139008 141904 147456 150528 156384 159642 162176 169344 172032 182448 185344 193536 196608 200704 208512 212856 221184 225792 229376 239463 243264 258048 273672 278016 283808 294912 301056 312768 319284 324352 338688 344064 364896 370688 387072 393216 401408 417024 425712 442368 451584 458752 478926 486528 516096 547344 556032 567616 589824 602112 625536 638568 648704 677376 688128 729792 741376 774144 802816 834048 851424 884736 903168 917504 957852 973056 1032192 1094688 1112064 1135232 1179648 1204224 1251072 1277136 1297408 1354752 1376256 1459584 1482752 1548288 1605632 1668096 1702848 1769472 1806336 1915704 1946112 2064384 2189376 2224128 2270464 2408448 2502144 2554272 2594816 2709504 2752512 2919168 2965504 3096576 3211264 3336192 3405696 3538944 3612672 3831408 3892224 4128768 4378752 4448256 4540928 4816896 5004288 5108544 5189632 5419008 5838336 5931008 6193152 6422528 6672384 6811392 7225344 7662816 7784448 8257536 8757504 8896512 9081856 9633792 10008576 10217088 10379264 10838016 11676672 11862016 12386304 13344768 13622784 14450688 15325632 15568896 17515008 17793024 18163712 19267584 20017152 20434176 20758528 21676032 23353344 23724032 24772608 26689536 27245568 28901376 30651264 31137792 35030016 35586048 36327424 40034304 40868352 41517056 43352064 46706688 53379072 54491136 57802752 61302528 62275584 70060032 71172096 72654848 80068608 81736704 83034112 86704128 93413376 106758144 108982272 122605056 124551168 140120064 145309696 160137216 163473408 166068224 173408256 186826752 213516288 217964544 245210112 249102336 280240128 290619392 320274432 326946816 373653504 435929088 490420224 498204672 560480256 581238784 640548864 653893632 747307008 871858176 980840448 1120960512 1162477568 1307787264 1494614016 1743716352 1961680896 2241921024 2615574528 3487432704 3923361792 4483842048 5231149056 7846723584 10462298112 15693447168 31386894336
• Sum of all divisors σ(n): 108778859280
• Sum of proper divisors (its aliquot sum) s(n): 77391964944
• 31386894336 is an abundant number, because the sum of its proper divisors (77391964944) is greater than itself. Its abundance is 46005070608

Bases of 31386894336

• Binary: 11101001110110011100000000000000000₂
• Hexadecimal: 0x74ECE0000
• Base-36: EF2Y2O0

Squares and roots of 31386894336

• 31386894336 squared (31386894336²) is 985137136059228880896
• 31386894336 cubed (31386894336³) is 30920395195960672322322281005056
• The square root of 31386894336 is 177163.4678369105
• The cube root of 31386894336 is 3154.3952864989

Scales and comparisons

• 31,386,894,336 seconds is equal to 998 years, 2 days, 5 hours, 45 minutes, 36 seconds.
• To count from 1 to 31,386,894,336 would take you about one thousand, nine hundred ninety-six 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 31386894336 cubic inches would be around 262.9 feet tall.

Recreational maths with 31386894336

• 31386894336 backwards is 63349868313
• 31386894336 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31386894336's digits is 54
• More coming soon!