61221739872

Names of 61221739872

• Cardinal: 61221739872 can be written as Sixty-one billion, two hundred twenty-one million, seven hundred thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 6.1221739872 × 10¹⁰

Factors of 61221739872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6357

Divisors of 61221739872

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 59 68 96 102 103 118 136 177 204 206 236 272 309 354 408 412 472 544 618 708 816 824 944 1003 1236 1416 1632 1648 1751 1888 2006 2472 2832 3009 3296 3502 4012 4944 5253 5664 6018 6077 6173 7004 8024 9888 10506 12036 12154 12346 14008 16048 18231 18519 21012 24072 24308 24692 28016 32096 36462 37038 42024 48144 48616 49384 56032 72924 74076 84048 96288 97232 98768 103309 104941 145848 148152 168096 194464 197536 206618 209882 291696 296304 309927 314823 364207 413236 419764 583392 592608 619854 629646 635819 728414 826472 839528 1092621 1239708 1259292 1271638 1456828 1652944 1679056 1907457 2185242 2479416 2518584 2543276 2913656 3305888 3358112 3814914 4370484 4958832 5037168 5086552 5827312 6191519 7629828 8740968 9917664 10074336 10173104 10808923 11654624 12383038 15259656 17481936 18574557 20346208 21617846 24766076 30519312 32426769 34963872 37149114 37513321 43235692 49532152 61038624 64853538 74298228 75026642 86471384 99064304 112539963 129707076 148596456 150053284 172942768 198128608 225079926 259414152 297192912 300106568 345885536 450159852 518828304 594385824 600213136 637726457 900319704 1037656608 1200426272 1275452914 1800639408 1913179371 2550905828 3601278816 3826358742 5101811656 7652717484 10203623312 15305434968 20407246624 30610869936 61221739872
• Sum of all divisors σ(n): 174752847360
• Sum of proper divisors (its aliquot sum) s(n): 113531107488
• 61221739872 is an abundant number, because the sum of its proper divisors (113531107488) is greater than itself. Its abundance is 52309367616

Bases of 61221739872

• Binary: 111001000001000110011001110101100000₂
• Hexadecimal: 0xE41199D60
• Base-36: S4HUCTC

Squares and roots of 61221739872

• 61221739872 squared (61221739872²) is 3748101432954834576384
• 61221739872 cubed (61221739872³) is 229465290942231330760172562382848
• The square root of 61221739872 is 247430.2727476977
• The cube root of 61221739872 is 3941.2612423995

Scales and comparisons

• 61,221,739,872 seconds is equal to 1,946 years, 34 weeks, 2 days, 22 hours, 51 minutes, 12 seconds.
• To count from 1 to 61,221,739,872 would take you about three thousand, eight hundred ninety-three 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 61221739872 cubic inches would be around 328.4 feet tall.

Recreational maths with 61221739872

• 61221739872 backwards is 27893712216
• 61221739872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61221739872's digits is 48
• More coming soon!