31309968144

Names of 31309968144

• Cardinal: 31309968144 can be written as Thirty-one billion, three hundred nine million, nine hundred sixty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 3.1309968144 × 10¹⁰

Factors of 31309968144

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1356

Divisors of 31309968144

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 34 39 42 48 51 52 56 68 78 84 91 102 104 112 119 136 156 168 182 204 208 221 238 272 273 312 336 357 364 408 442 476 546 557 624 663 714 728 757 816 884 952 1092 1114 1326 1428 1456 1514 1547 1671 1768 1904 2184 2228 2271 2652 2856 3028 3094 3342 3536 3899 4368 4456 4542 4641 5299 5304 5712 6056 6188 6684 7241 7798 8912 9084 9282 9469 9841 10598 10608 11697 12112 12376 12869 13368 14482 15596 15897 18168 18564 18938 19682 21196 21723 23394 24752 25738 26736 28407 28964 29523 31192 31794 36336 37128 37876 38607 39364 42392 43446 46788 50687 51476 56814 57928 59046 62384 63588 66283 68887 74256 75752 77214 78728 84784 86892 90083 93576 101374 102952 113628 115856 118092 123097 127176 132566 137774 151504 152061 154428 157456 167297 173784 180166 187152 198849 202748 205904 206661 227256 236184 246194 254352 265132 270249 275548 304122 308856 334594 347568 360332 369291 397698 405496 413322 421649 454512 472368 492388 501891 530264 540498 551096 608244 617712 669188 720664 738582 795396 810992 826644 843298 861679 984776 1003782 1060528 1080996 1102192 1171079 1216488 1264947 1338376 1441328 1477164 1590792 1653288 1686596 1723358 1969552 2007564 2161992 2342158 2432976 2529894 2585037 2676752 2951543 2954328 3181584 3306576 3373192 3446716 3513237 4015128 4323984 4684316 5059788 5170074 5481437 5903086 5908656 6746384 6893432 7026474 7168033 8030256 8854629 9368632 10119576 10340148 10962874 11806172 13786864 14052948 14336066 16444311 17709258 18737264 20239152 20680296 21504099 21925748 23612344 28105896 28672132 32888622 35418516 38370059 41360592 43008198 43851496 47224688 50176231 56211792 57344264 65777244 70837032 76740118 86016396 87702992 93184429 100352462 114688528 115110177 131554488 141674064 150528693 153480236 172032792 186368858 200704924 230220354 263108976 279553287 301057386 306960472 344065584 372737716 401409848 460440708 559106574 602114772 613920944 652291003 745475432 802819696 920881416 1118213148 1204229544 1304582006 1490950864 1841762832 1956873009 2236426296 2408459088 2609164012 3913746018 4472852592 5218328024 7827492036 10436656048 15654984072 31309968144
• Sum of all divisors σ(n): 105734232576
• Sum of proper divisors (its aliquot sum) s(n): 74424264432
• 31309968144 is an abundant number, because the sum of its proper divisors (74424264432) is greater than itself. Its abundance is 43114296288

Bases of 31309968144

• Binary: 11101001010001110000011001100010000₂
• Hexadecimal: 0x74A383310
• Base-36: EDT5A1C

Squares and roots of 31309968144

• 31309968144 squared (31309968144²) is 980314105178294804736
• 31309968144 cubed (31309968144³) is 30693603404246275776524860329984
• The square root of 31309968144 is 176946.2295275039
• The cube root of 31309968144 is 3151.8161407051

Scales and comparisons

• 31,309,968,144 seconds is equal to 995 years, 29 weeks, 21 hours, 22 minutes, 24 seconds.
• To count from 1 to 31,309,968,144 would take you about one thousand, nine hundred ninety-one 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 31309968144 cubic inches would be around 262.7 feet tall.

Recreational maths with 31309968144

• 31309968144 backwards is 44186990313
• 31309968144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31309968144's digits is 48
• More coming soon!