68321390916

Names of 68321390916

• Cardinal: 68321390916 can be written as Sixty-eight billion, three hundred twenty-one million, three hundred ninety thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 6.8321390916 × 10¹⁰

Factors of 68321390916

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 768

Divisors of 68321390916

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 127 186 204 254 257 331 372 381 508 514 527 662 762 771 993 1028 1054 1324 1524 1542 1581 1986 2108 2159 3084 3162 3937 3972 4318 4369 5627 6324 6477 7874 7967 8636 8738 10261 11254 11811 12954 13107 15748 15934 16881 17476 20522 22508 23622 23901 25908 26214 30783 31868 32639 33762 41044 42037 47244 47802 52428 61566 65278 66929 67524 84074 85067 95604 97917 123132 126111 130556 133858 135439 168148 170134 174437 195834 200787 252222 255201 267716 270878 340268 348874 391668 401574 406317 504444 510402 523311 541756 554863 697748 714629 803148 812634 1011809 1020804 1046622 1109726 1303147 1429258 1446139 1625268 1664589 2023618 2093244 2143887 2219452 2606294 2637077 2858516 2892278 3035427 3329178 3909441 4047236 4287774 4338417 5212588 5274154 5784556 6070854 6658356 7818882 7911231 8575548 8676834 10548308 10803509 12141708 15637764 15822462 17200753 17353668 21607018 22153499 31644924 32410527 34401506 43214036 44306998 44830309 51602259 64821054 66460497 68803012 88613996 89660618 103204518 129642108 132920994 134490927 179321236 183659653 206409036 265841988 268981854 334908779 367319306 537963708 550978959 669817558 734638612 1004726337 1101957918 1339635116 2009452674 2203915836 4018905348 5693449243 11386898486 17080347729 22773796972 34160695458 68321390916
• Sum of all divisors σ(n): 176826875904
• Sum of proper divisors (its aliquot sum) s(n): 108505484988
• 68321390916 is an abundant number, because the sum of its proper divisors (108505484988) is greater than itself. Its abundance is 40184094072

Bases of 68321390916

• Binary: 111111101000010001011011000101000100₂
• Hexadecimal: 0xFE845B144
• Base-36: VDWSIMC

Squares and roots of 68321390916

• 68321390916 squared (68321390916²) is 4667812456696887319056
• 68321390916 cubed (68321390916³) is 318911439576562360645628192095296
• The square root of 68321390916 is 261383.6087362785
• The cube root of 68321390916 is 4088.0754234913

Scales and comparisons

• 68,321,390,916 seconds is equal to 2,172 years, 21 weeks, 1 day, 20 hours, 8 minutes, 36 seconds.
• To count from 1 to 68,321,390,916 would take you about four thousand, three hundred forty-four 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 68321390916 cubic inches would be around 340.7 feet tall.

Recreational maths with 68321390916

• 68321390916 backwards is 61909312386
• The number of decimal digits it has is: 11
• The sum of 68321390916's digits is 48
• More coming soon!