1138305168

Names of 1138305168

• Cardinal: 1138305168 can be written as One billion, one hundred thirty-eight million, three hundred five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.138305168 × 10⁹

Factors of 1138305168

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 238

Divisors of 1138305168

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 16 18 21 22 24 26 28 33 36 39 42 44 48 52 53 56 63 66 72 77 78 84 88 91 99 104 106 112 117 126 132 143 144 149 154 156 159 168 176 182 198 208 212 231 234 252 264 273 286 298 308 312 318 336 364 371 396 424 429 447 462 468 477 504 528 546 572 583 596 616 624 636 689 693 728 742 792 819 848 858 894 924 936 954 1001 1008 1043 1092 1113 1144 1166 1192 1232 1272 1287 1341 1378 1386 1456 1484 1584 1638 1639 1716 1749 1788 1848 1872 1908 1937 2002 2067 2086 2184 2226 2288 2332 2384 2544 2574 2682 2756 2772 2968 3003 3129 3276 3278 3339 3432 3498 3576 3696 3816 3874 4004 4081 4134 4172 4368 4452 4664 4823 4917 5148 5247 5364 5512 5544 5811 5936 6006 6201 6258 6552 6556 6678 6864 6996 7152 7579 7632 7748 7897 8008 8162 8268 8344 8904 9009 9328 9387 9646 9834 10296 10494 10728 11024 11088 11473 11622 12012 12243 12402 12516 13104 13112 13356 13559 13992 14469 14751 15158 15496 15794 16016 16324 16536 16688 17433 17808 18018 18774 19292 19668 20592 20988 21307 21456 22737 22946 23244 23691 24024 24486 24804 25032 26224 26712 27118 27984 28938 29502 30316 30992 31588 32648 33072 34419 34866 36036 36729 37548 38584 39336 40677 41976 42614 43407 45474 45892 46488 47382 48048 48972 49608 50064 53053 53424 54236 55279 57876 59004 60632 63176 63921 65296 68211 68838 69732 71073 72072 73458 75096 77168 78672 81354 83952 85228 86814 86867 90948 91784 92976 94764 97944 99216 102661 103257 106106 108472 110558 115752 118008 121264 122031 126352 127842 136422 137676 139464 142146 144144 146916 149149 150192 159159 162708 165837 170456 173628 173734 181896 183568 189528 191763 195888 205322 206514 212212 216944 221116 231504 236016 244062 255684 260601 272844 275352 278928 284292 293832 298298 307983 318318 325416 331674 340912 347256 347468 363792 379056 383526 410644 413028 424424 442232 447447 477477 488124 497511 511368 521202 545688 550704 568584 587664 596596 608069 615966 636636 650832 663348 694512 694936 718627 767052 781803 821288 826056 848848 884464 894894 923949 954954 976248 995022 1022736 1042404 1091376 1129271 1137168 1193192 1216138 1231932 1273272 1326696 1342341 1389872 1437254 1534104 1563606 1642576 1652112 1789788 1824207 1847898 1909908 1952496 1990044 2084808 2155881 2258542 2386384 2432276 2463864 2546544 2653392 2684682 2874508 3068208 3127212 3387813 3579576 3648414 3695796 3819816 3980088 4169616 4311762 4517084 4864552 4927728 5369364 5472621 5749016 6254424 6467643 6775626 7159152 7296828 7391592 7639632 7904897 7960176 8623524 9034168 9729104 10163439 10738728 10945242 11498032 12508848 12935286 13551252 14593656 14783184 15809794 17247048 18068336 20326878 21477456 21890484 23714691 25870572 27102504 29187312 31619588 34494096 40653756 43780968 47429382 51741144 54205008 63239176 71144073 81307512 87561936 94858764 103482288 126478352 142288146 162615024 189717528 284576292 379435056 569152584 1138305168
• Sum of all divisors σ(n): 4387219200
• Sum of proper divisors (its aliquot sum) s(n): 3248914032
• 1138305168 is an abundant number, because the sum of its proper divisors (3248914032) is greater than itself. Its abundance is 2110608864

Bases of 1138305168

• Binary: 1000011110110010010100010010000₂
• Hexadecimal: 0x43D92890
• Base-36: ITPTW0

Squares and roots of 1138305168

• 1138305168 squared (1138305168²) is 1295738655495508224
• 1138305168 cubed (1138305168³) is 1474946007927908612165701632
• The square root of 1138305168 is 33738.7784011219
• The cube root of 1138305168 is 1044.1259811859

Scales and comparisons

• 1,138,305,168 seconds is equal to 36 years, 10 weeks, 19 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,138,305,168 would take you about seventy-two 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 1138305168 cubic inches would be around 87 feet tall.

Recreational maths with 1138305168

• 1138305168 backwards is 8615038311
• 1138305168 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1138305168's digits is 36
• More coming soon!