68378407790

Names of 68378407790

• Cardinal: 68378407790 can be written as Sixty-eight billion, three hundred seventy-eight million, four hundred seven thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 6.837840779 × 10¹⁰

Factors of 68378407790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 406

Divisors of 68378407790

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 7 10 11 14 22 31 35 43 49 55 62 70 77 86 98 110 154 155 215 217 245 301 307 310 341 385 430 434 473 490 539 602 614 682 770 946 961 1078 1085 1333 1505 1519 1535 1705 1922 2107 2149 2170 2365 2387 2666 2695 3010 3038 3070 3311 3377 3410 4214 4298 4730 4774 4805 5390 6622 6665 6727 6754 7595 9331 9517 9610 10535 10571 10745 11935 13201 13330 13454 14663 15043 15190 16555 16709 16885 18662 19034 21070 21142 21490 23177 23639 23870 26402 29326 30086 33110 33418 33635 33770 41323 46354 46655 47089 47278 47585 52855 65317 66005 66619 67270 73315 73997 75215 82646 83545 92407 93310 94178 95170 102641 104687 105710 115885 118195 130634 132010 133238 145211 146630 147994 150430 165473 167090 184814 205282 206615 209374 231770 235445 236390 289261 290422 295027 326585 330946 333095 369985 409231 413230 454553 462035 466333 470890 513205 517979 523435 578522 590054 646849 653170 666190 718487 726055 732809 739970 818462 827365 909106 924070 932666 1016477 1026410 1035958 1046870 1293698 1436974 1446305 1452110 1465618 1475135 1654730 2024827 2032954 2046155 2065189 2272765 2331665 2589895 2864617 2892610 2950270 3181871 3234245 3245297 3592435 3664045 4049654 4092310 4130378 4501541 4545530 4663330 5082385 5129663 5179790 5729234 6363742 6468490 6490594 7115339 7184870 7328090 9003082 10124135 10164770 10259326 10325945 12686161 14230678 14323085 14456323 15909355 16226485 20052319 20248270 20651890 22273097 22507705 22717079 25372322 25648315 28646170 28912646 31510787 31818710 32452970 35576695 40104638 44546194 45015410 45434158 51296630 63021574 63430805 71153390 72281615 88803127 100261595 111365485 113585395 126861610 139547771 144563230 157553935 159019553 177606254 200523190 220575509 222730970 227170790 279095542 315107870 318039106 441151018 444015635 621621889 697738855 795097765 888031270 976834397 1102877545 1243243778 1395477710 1590195530 1953668794 2205755090 3108109445 4884171985 6216218890 6837840779 9768343970 13675681558 34189203895 68378407790
• Sum of all divisors σ(n): 165684258432
• Sum of proper divisors (its aliquot sum) s(n): 97305850642
• 68378407790 is an abundant number, because the sum of its proper divisors (97305850642) is greater than itself. Its abundance is 28927442852

Bases of 68378407790

• Binary: 111111101011101010111011001101101110₂
• Hexadecimal: 0xFEBABB36E
• Base-36: VEUQL4E

Squares and roots of 68378407790

• 68378407790 squared (68378407790²) is 4675606651895532684100
• 68378407790 cubed (68378407790³) is 319710538308949310352663049139000
• The square root of 68378407790 is 261492.6534149669
• The cube root of 68378407790 is 4089.2123269195

Scales and comparisons

• 68,378,407,790 seconds is equal to 2,174 years, 11 weeks, 3 days, 18 hours, 9 minutes, 50 seconds.
• To count from 1 to 68,378,407,790 would take you about four thousand, three hundred forty-eight 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 68378407790 cubic inches would be around 340.8 feet tall.

Recreational maths with 68378407790

• 68378407790 backwards is 09770487386
• The number of decimal digits it has is: 11
• The sum of 68378407790's digits is 59
• More coming soon!