123405940490

Names of 123405940490

• Cardinal: 123405940490 can be written as One hundred twenty-three billion, four hundred five million, nine hundred forty thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2340594049 × 10¹¹

Factors of 123405940490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 121

Divisors of 123405940490

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 14 17 31 34 35 59 62 70 85 118 119 155 170 217 238 295 310 413 434 527 590 595 826 961 1003 1054 1085 1190 1829 1922 2006 2065 2170 2635 3481 3658 3689 4130 4805 5015 5270 6727 6962 7021 7378 9145 9610 10030 12803 13454 14042 16337 17405 18290 18445 24367 25606 29791 31093 32674 33635 34810 35105 36890 48734 56699 59177 59582 62186 64015 67270 70210 81685 107911 113398 114359 118354 121835 128030 148955 155465 163370 208537 215822 217651 228718 243670 283495 295885 297910 310930 396893 414239 417074 435302 506447 539555 566990 571795 591770 755377 793786 828478 963883 1012894 1042685 1079110 1088255 1143590 1510754 1757669 1834487 1927766 1984465 2071195 2085370 2176510 2532235 3345241 3515338 3545129 3668974 3776885 3968930 4142390 4819415 5064470 6690482 6747181 7090258 7553770 8788345 9172435 9638830 12303683 12841409 13494362 16726205 17576690 17725645 18344870 23416687 24607366 25682818 29880373 33452410 33735905 35451290 46833374 56869097 59760746 61518415 64207045 67471810 103702471 113738194 117083435 123036830 128414090 149401865 207404942 209162611 234166870 284345485 298803730 398083679 418325222 518512355 568690970 725917297 796167358 1037024710 1045813055 1451834594 1762942007 1990418395 2091626110 3525884014 3629586485 3980836790 7259172970 8814710035 12340594049 17629420070 24681188098 61702970245 123405940490
• Sum of all divisors σ(n): 282543925248
• Sum of proper divisors (its aliquot sum) s(n): 159137984758
• 123405940490 is an abundant number, because the sum of its proper divisors (159137984758) is greater than itself. Its abundance is 35732044268

Bases of 123405940490

• Binary: 1110010111011100100010011011100001010₂
• Hexadecimal: 0x1CBB91370A
• Base-36: 1KOWPL3E

Squares and roots of 123405940490

• 123405940490 squared (123405940490²) is 15229026148221421440100
• 123405940490 cubed (123405940490³) is 1879352294568066653580190699649000
• The square root of 123405940490 is 351291.8167136833
• The cube root of 123405940490 is 4978.6548800391

Scales and comparisons

• 123,405,940,490 seconds is equal to 3,923 years, 48 weeks, 1 day, 11 hours, 54 minutes, 50 seconds.
• To count from 1 to 123,405,940,490 would take you about seven thousand, eight 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 123405940490 cubic inches would be around 414.9 feet tall.

Recreational maths with 123405940490

• 123405940490 backwards is 094049504321
• The number of decimal digits it has is: 12
• The sum of 123405940490's digits is 41
• More coming soon!