31606120728

Names of 31606120728

• Cardinal: 31606120728 can be written as Thirty-one billion, six hundred six million, one hundred twenty thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1606120728 × 10¹⁰

Factors of 31606120728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 143

Divisors of 31606120728

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 29 36 39 42 49 52 54 56 58 63 72 78 84 87 89 91 98 104 108 116 117 126 147 156 168 174 178 182 189 196 203 216 232 234 252 261 267 273 294 312 348 351 356 364 377 378 392 406 441 468 504 522 534 546 588 609 623 637 696 702 712 728 754 756 783 801 812 819 882 936 1044 1068 1092 1131 1157 1176 1218 1246 1274 1323 1404 1421 1508 1512 1566 1602 1624 1638 1764 1827 1869 1911 2088 2136 2184 2262 2314 2403 2436 2457 2492 2548 2581 2639 2646 2808 2842 3016 3132 3204 3276 3393 3471 3528 3654 3738 3822 4263 4361 4524 4628 4806 4872 4914 4984 5096 5162 5278 5292 5481 5607 5684 5733 6264 6408 6552 6786 6942 7308 7476 7644 7743 7917 7921 8099 8526 8722 9048 9256 9612 9828 10179 10324 10413 10556 10584 10962 11214 11368 11466 12789 13083 13572 13884 14616 14952 15288 15486 15834 15842 16198 16821 17052 17199 17444 18067 18473 19224 19656 20358 20648 20826 21112 21924 22428 22932 23229 23751 23763 24297 25578 26166 27144 27768 30972 31239 31668 31684 32396 33553 33642 34104 34398 34888 36134 36946 38367 39249 40716 41652 43848 44856 45864 46458 47502 47526 48594 51156 52332 54201 55419 55447 56693 61944 62478 63336 63368 64792 67106 67284 68796 69687 71253 71289 72268 72891 73892 76734 78498 81432 83304 92916 95004 95052 97188 100659 102312 102973 104664 108402 110838 110894 113386 117747 124956 126469 134212 134568 137592 139374 142506 142578 144536 145782 147784 153468 156996 162603 166257 166341 170079 185832 190008 190104 194376 201318 205946 213867 216804 218673 221676 221788 226772 229709 234871 235494 249912 252938 268424 278748 285012 285156 291564 301977 306936 308919 313992 325206 332514 332682 340158 379407 388129 402636 411892 427734 433608 437346 443352 443576 453544 459418 469742 470988 487809 498771 499023 505876 510237 557496 570024 570312 583128 603954 617838 650412 665028 665364 680316 689127 704613 720811 758814 776258 805272 823784 855468 874692 905931 918836 926757 939484 941976 975618 997542 998046 1011752 1020474 1138221 1164387 1207908 1235676 1300824 1330056 1330728 1360632 1378254 1409226 1441622 1497069 1517628 1530711 1552516 1607963 1644097 1710936 1749384 1811862 1837672 1853514 1878968 1951236 1995084 1996092 2040948 2067381 2113839 2162433 2276442 2328774 2415816 2471352 2756508 2780271 2818452 2883244 2986217 2994138 3035256 3061422 3105032 3215926 3288194 3414663 3493161 3623724 3707028 3902472 3990168 3992184 4081896 4134762 4227678 4324866 4552884 4657548 4823889 4932291 5045677 5513016 5560542 5636904 5766488 5972434 5988276 6122844 6202143 6341517 6431852 6487299 6576388 6829326 6986322 7247448 7414056 8269524 8455356 8649732 8958651 9105768 9315096 9647778 9864582 10091354 10479483 11121084 11255741 11944868 11976552 12245688 12404286 12683034 12863704 12974598 13152776 13658652 13972644 14471667 14796873 15137031 16539048 16910712 17299464 17917302 19295556 19461897 19729164 20182708 20903519 20958966 22242168 22511482 23889736 24808572 25366068 25949196 26875953 27317304 27945288 28943334 29593746 30274062 33767223 35834604 38591112 38923794 39458328 40365416 41807038 41917932 43415001 44390619 45022964 45411093 49617144 50732136 51898392 53751906 57886668 59187492 60548124 62710557 67534446 71669208 77847588 80627859 83614076 83835864 86830002 88781238 90045928 90822186 101301669 107503812 115773336 118374984 121096248 125421114 135068892 136233279 146324633 155695176 161255718 167228152 173660004 177562476 181644372 188131671 202603338 215007624 250842228 270137784 272466558 292649266 303905007 322511436 347320008 355124952 363288744 376263342 405206676 438973899 501684456 544933116 564395013 585298532 607810014 645022872 752526684 810413352 877947798 1089866232 1128790026 1170597064 1215620028 1316921697 1505053368 1755895596 2257580052 2431240056 2633843394 3511791192 3950765091 4515160104 5267686788 7901530182 10535373576 15803060364 31606120728
• Sum of all divisors σ(n): 115070004000
• Sum of proper divisors (its aliquot sum) s(n): 83463883272
• 31606120728 is an abundant number, because the sum of its proper divisors (83463883272) is greater than itself. Its abundance is 51857762544

Bases of 31606120728

• Binary: 11101011011110111110010000100011000₂
• Hexadecimal: 0x75BDF2118
• Base-36: EIPGUU0

Squares and roots of 31606120728

• 31606120728 squared (31606120728²) is 998946867472911249984
• 31606120728 cubed (31606120728³) is 31572835294206249236623692068352
• The square root of 31606120728 is 177781.1034052833
• The cube root of 31606120728 is 3161.7223668755

Scales and comparisons

• 31,606,120,728 seconds is equal to 1,004 years, 50 weeks, 5 days, 13 hours, 58 minutes, 48 seconds.
• To count from 1 to 31,606,120,728 would take you about two thousand and nine 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 31606120728 cubic inches would be around 263.5 feet tall.

Recreational maths with 31606120728

• 31606120728 backwards is 82702160613
• 31606120728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31606120728's digits is 36
• More coming soon!