31819905216

Names of 31819905216

• Cardinal: 31819905216 can be written as Thirty-one billion, eight hundred nineteen million, nine hundred five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 3.1819905216 × 10¹⁰

Factors of 31819905216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 99

Divisors of 31819905216

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 83 88 96 99 108 132 144 162 166 176 192 198 216 243 249 264 288 297 324 332 352 396 432 486 498 528 576 594 648 664 704 729 747 792 864 891 913 972 996 1056 1188 1296 1328 1458 1494 1584 1728 1782 1826 1944 1992 2112 2187 2241 2376 2592 2656 2673 2739 2916 2988 3168 3564 3652 3888 3984 4374 4482 4752 5184 5312 5346 5478 5832 5976 6336 6561 6723 6889 7128 7304 7776 7968 8019 8217 8748 8964 9504 10692 10956 11664 11952 13122 13446 13778 14256 14608 15552 15936 16038 16434 17496 17928 19008 20169 20667 21384 21912 23328 23904 24057 24651 26244 26892 27556 28512 29216 32076 32868 34992 35856 40338 41334 42768 43824 46656 47808 48114 49302 52488 53784 55112 57024 58432 60507 62001 64152 65736 69984 71712 72171 73953 75779 80676 82668 85536 87648 96228 98604 104976 107568 110224 121014 124002 128304 131472 139968 143424 144342 147906 151558 161352 165336 171072 175296 181521 186003 192456 197208 209952 215136 220448 221859 227337 242028 248004 256608 262944 288684 295812 303116 322704 330672 363042 372006 384912 394416 419904 430272 440896 443718 454674 484056 496008 513216 525888 544563 558009 577368 591624 606232 645408 661344 665577 682011 726084 744012 769824 788832 887436 909348 968112 992016 1089126 1116018 1154736 1183248 1212464 1290816 1322688 1331154 1364022 1452168 1488024 1539648 1577664 1674027 1774872 1818696 1936224 1984032 1996731 2046033 2178252 2232036 2309472 2366496 2424928 2662308 2728044 2904336 2976048 3348054 3549744 3637392 3872448 3968064 3993462 4092066 4356504 4464072 4618944 4732992 4849856 5022081 5324616 5456088 5808672 5952096 5990193 6138099 6696108 7099488 7274784 7986924 8184132 8713008 8928144 10044162 10649232 10912176 11617344 11904192 11980386 12276198 13392216 14198976 14549568 15066243 15973848 16368264 17426016 17856288 18414297 20088324 21298464 21824352 23960772 24552396 26784432 30132486 31947696 32736528 34852032 35712576 36828594 40176648 42596928 43648704 45198729 47921544 49104792 53568864 55242891 60264972 63895392 65473056 73657188 80353296 90397458 95843088 98209584 107137728 110485782 120529944 127790784 130946112 147314376 160706592 165728673 180794916 191686176 196419168 220971564 241059888 294628752 321413184 331457346 361589832 383372352 392838336 441943128 482119776 497186019 589257504 662914692 723179664 883886256 964239552 994372038 1178515008 1325829384 1446359328 1767772512 1988744076 2651658768 2892718656 3535545024 3977488152 5303317536 7954976304 10606635072 15909952608 31819905216
• Sum of all divisors σ(n): 104578850532
• Sum of proper divisors (its aliquot sum) s(n): 72758945316
• 31819905216 is an abundant number, because the sum of its proper divisors (72758945316) is greater than itself. Its abundance is 40939040100

Bases of 31819905216

• Binary: 11101101000100111010011100011000000₂
• Hexadecimal: 0x7689D38C0
• Base-36: EM8R000

Squares and roots of 31819905216

• 31819905216 squared (31819905216²) is 1012506367955224006656
• 31819905216 cubed (31819905216³) is 32217856658931647623841673117696
• The square root of 31819905216 is 178381.3477244749
• The cube root of 31819905216 is 3168.8350071659

Scales and comparisons

• 31,819,905,216 seconds is equal to 1,011 years, 40 weeks, 1 day, 22 hours, 33 minutes, 36 seconds.
• To count from 1 to 31,819,905,216 would take you about two thousand and twenty-three 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 31819905216 cubic inches would be around 264.1 feet tall.

Recreational maths with 31819905216

• 31819905216 backwards is 61250991813
• The number of decimal digits it has is: 11
• The sum of 31819905216's digits is 45
• More coming soon!