68356368990

Names of 68356368990

• Cardinal: 68356368990 can be written as Sixty-eight billion, three hundred fifty-six million, three hundred sixty-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.835636899 × 10¹⁰

Factors of 68356368990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 137

Divisors of 68356368990

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 54 63 65 70 78 81 90 91 105 107 117 126 130 135 162 182 189 195 210 214 234 243 270 273 315 321 351 378 390 405 455 486 535 546 567 585 630 642 702 729 749 810 819 910 945 963 1053 1070 1134 1170 1215 1365 1391 1458 1498 1605 1638 1701 1755 1890 1926 2106 2187 2247 2430 2457 2730 2782 2835 2889 3159 3210 3402 3510 3645 3745 4095 4173 4374 4494 4815 4914 5103 5265 5670 5778 6318 6561 6741 6955 7290 7371 7490 8190 8346 8505 8667 9477 9630 9737 10206 10530 10935 11235 11449 12285 12519 13122 13482 13910 14445 14742 15309 15795 17010 17334 18954 19474 20223 20865 21870 22113 22470 22898 24570 25038 25515 26001 28431 28890 29211 30618 31590 32805 33705 34347 36855 37557 40446 41730 43335 44226 45927 47385 48685 51030 52002 56862 57245 58422 60669 62595 65610 66339 67410 68694 73710 75114 76545 78003 80143 85293 86670 87633 91854 94770 97370 101115 103041 110565 112671 114490 121338 125190 130005 132678 142155 146055 148837 153090 156006 160286 170586 171735 175266 182007 187785 199017 202230 206082 221130 225342 229635 234009 240429 260010 262899 284310 292110 297674 303345 309123 331695 338013 343470 364014 375570 390015 398034 400715 426465 438165 446511 459270 468018 480858 515205 525798 546021 563355 597051 606690 618246 663390 676026 702027 721287 744185 780030 788697 801430 852930 876330 893022 910035 927369 995085 1014039 1030410 1041859 1092042 1126710 1170045 1194102 1202145 1314495 1339533 1404054 1442574 1488370 1545615 1577394 1638063 1690065 1820070 1854738 1990170 2028078 2083718 2163861 2232555 2340090 2366091 2404290 2628990 2679066 2730105 2782107 2985255 3042117 3091230 3125577 3276126 3380130 3510135 3606435 3943485 4018599 4327722 4465110 4636845 4732182 4914189 5070195 5209295 5460210 5564214 5970510 6084234 6251154 6491583 6697665 7020270 7098273 7212870 7886970 8037198 8190315 8346321 9126351 9273690 9376731 9828378 10140390 10418590 10819305 11830455 12055797 12983166 13395330 13910535 14196546 15210585 15627885 16380630 16692642 18252702 18753462 19474749 20092995 21294819 21638610 23660910 24111594 24570945 25038963 27821070 28130193 30421170 31255770 32457915 35491365 36167391 38949498 40185990 41731605 42589638 45631755 46883655 49141890 50077926 56260386 58424247 60278985 63884457 64915830 70982730 72334782 75116889 83463210 84390579 91263510 93767310 97373745 106474095 108502173 116848494 120557970 125194815 127768914 140650965 150233778 168781158 175272741 180836955 194747490 212948190 217004346 250389630 253171737 281301930 292121235 319422285 325506519 350545482 361673910 375584445 421952895 506343474 525818223 542510865 584242470 638844570 651013038 751168890 759515211 843905790 876363705 976519557 1051636446 1085021730 1265858685 1519030422 1627532595 1752727410 1953039114 2278545633 2531717370 2629091115 3255065190 3797576055 4557091266 4882597785 5258182230 6835636899 7595152110 9765195570 11392728165 13671273798 22785456330 34178184495 68356368990
• Sum of all divisors σ(n): 229284592992
• Sum of proper divisors (its aliquot sum) s(n): 160928224002
• 68356368990 is an abundant number, because the sum of its proper divisors (160928224002) is greater than itself. Its abundance is 92571855012

Bases of 68356368990

• Binary: 111111101010010110110110101001011110₂
• Hexadecimal: 0xFEA5B6A5E
• Base-36: VEHM7VI

Squares and roots of 68356368990

• 68356368990 squared (68356368990²) is 4672593181497033620100
• 68356368990 cubed (68356368990³) is 319401503654569270725991080699000
• The square root of 68356368990 is 261450.5096380575
• The cube root of 68356368990 is 4088.7729532465

Scales and comparisons

• 68,356,368,990 seconds is equal to 2,173 years, 27 weeks, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 68,356,368,990 would take you about four thousand, three hundred forty-seven 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 68356368990 cubic inches would be around 340.7 feet tall.

Recreational maths with 68356368990

• 68356368990 backwards is 09986365386
• 68356368990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68356368990's digits is 63
• More coming soon!