123129901960

Names of 123129901960

• Cardinal: 123129901960 can be written as One hundred twenty-three billion, one hundred twenty-nine million, nine hundred one thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.2312990196 × 10¹¹

Factors of 123129901960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 42466

Divisors of 123129901960

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 6607 13214 26428 33035 35839 52856 66070 71678 85891 132140 143356 171782 179195 264280 286712 343564 358390 429455 465907 687128 716780 858910 931814 1433560 1717820 1863628 2329535 3435640 3727256 4659070 9318140 18636280 236788273 473576546 947153092 1183941365 1894306184 2367882730 3078247549 4735765460 6156495098 9471530920 12312990196 15391237745 24625980392 30782475490 61564950980 123129901960
• Sum of all divisors σ(n): 298406707200
• Sum of proper divisors (its aliquot sum) s(n): 175276805240
• 123129901960 is an abundant number, because the sum of its proper divisors (175276805240) is greater than itself. Its abundance is 52146903280

Bases of 123129901960

• Binary: 1110010101011000111010011001110001000₂
• Hexadecimal: 0x1CAB1D3388
• Base-36: 1KKCD4EG

Squares and roots of 123129901960

• 123129901960 squared (123129901960²) is 15160972756679211841600
• 123129901960 cubed (123129901960³) is 1866769089148142289226279049536000
• The square root of 123129901960 is 350898.7061247163
• The cube root of 123129901960 is 4974.9399682663

Scales and comparisons

• 123,129,901,960 seconds is equal to 3,915 years, 7 weeks, 5 days, 14 hours, 32 minutes, 40 seconds.
• To count from 1 to 123,129,901,960 would take you about seven thousand, eight hundred thirty 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 123129901960 cubic inches would be around 414.6 feet tall.

Recreational maths with 123129901960

• 123129901960 backwards is 069109921321
• The number of decimal digits it has is: 12
• The sum of 123129901960's digits is 43
• More coming soon!