123942434820

Names of 123942434820

• Cardinal: 123942434820 can be written as One hundred twenty-three billion, nine hundred forty-two million, four hundred thirty-four thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.2394243482 × 10¹¹

Factors of 123942434820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 461

Divisors of 123942434820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 79 85 97 101 102 157 158 170 194 202 204 237 255 291 303 314 316 340 388 395 404 471 474 485 505 510 582 606 628 785 790 942 948 970 1010 1020 1164 1185 1212 1343 1455 1515 1570 1580 1649 1717 1884 1940 2020 2355 2370 2669 2686 2910 3030 3140 3298 3434 4029 4710 4740 4947 5151 5338 5372 5820 6060 6596 6715 6868 7663 7979 8007 8058 8245 8585 9420 9797 9894 10302 10676 12403 13345 13430 15229 15326 15857 15958 16014 16116 16490 17170 19594 19788 20145 20604 22989 23937 24735 24806 25755 26690 26860 29391 30458 30652 31714 31916 32028 32980 34340 37209 38315 39188 39895 40035 40290 45687 45978 47571 47874 48985 49470 49612 51510 53380 58782 60916 62015 63428 74418 76145 76630 79285 79790 80070 80580 91374 91956 95142 95748 97970 98940 103020 114945 117564 119685 124030 130271 135643 146955 148836 152290 153260 158570 159580 160140 166549 182748 186045 190284 195940 210851 228435 229890 237855 239370 248060 258893 260542 269569 271286 293910 304580 317140 333098 372090 390813 406929 421702 456870 459780 475710 478740 499647 517786 521084 539138 542572 587820 632553 651355 666196 678215 744180 773963 776679 781626 808707 813858 832745 843404 913740 951420 999294 1035572 1054255 1078276 1203091 1252703 1265106 1294465 1302710 1347845 1356430 1538129 1547926 1553358 1563252 1617414 1627716 1665490 1954065 1998588 2034645 2108510 2321889 2406182 2498235 2505406 2530212 2588930 2605420 2695690 2712860 3076258 3095852 3106716 3162765 3234828 3330980 3609273 3758109 3869815 3883395 3908130 4043535 4069290 4217020 4614387 4643778 4812364 4996470 5010812 5177860 5391380 6015455 6152516 6263515 6325530 7218546 7516218 7690645 7739630 7766790 7816260 8087070 8138580 9228774 9287556 9992940 11609445 12030910 12527030 12651060 13157371 14437092 15032436 15381290 15479260 15533580 16174140 18046365 18457548 18790545 20452547 21295951 23071935 23218890 24061820 25054060 26148193 26314742 30762580 36092730 37581090 39472113 40905094 42591902 46143870 46437780 52296386 52629484 61357641 63887853 65786855 72185460 75162180 78444579 78944226 81810188 85183804 92287740 102262735 104592772 106479755 121512191 122715282 127775706 130740965 131573710 156889158 157888452 197360565 204525470 212959510 243024382 245430564 255551412 261481930 263147420 306788205 313778316 319439265 364536573 392222895 394721130 409050940 425919020 486048764 522963860 607560955 613576410 638878530 729073146 784445790 789442260 1215121910 1227152820 1277757060 1458146292 1568891580 1822682865 2065707247 2430243820 3645365730 4131414494 6197121741 7290731460 8262828988 10328536235 12394243482 20657072470 24788486964 30985608705 41314144940 61971217410 123942434820
• Sum of all divisors σ(n): 382080706560
• Sum of proper divisors (its aliquot sum) s(n): 258138271740
• 123942434820 is an abundant number, because the sum of its proper divisors (258138271740) is greater than itself. Its abundance is 134195836920

Bases of 123942434820

• Binary: 1110011011011100010110111100000000100₂
• Hexadecimal: 0x1CDB8B7804
• Base-36: 1KXS4IRO

Squares and roots of 123942434820

• 123942434820 squared (123942434820²) is 15361727149109948432400
• 123942434820 cubed (123942434820³) is 1903969865901184204596298176168000
• The square root of 123942434820 is 352054.5906816157
• The cube root of 123942434820 is 4985.8591760549

Scales and comparisons

• 123,942,434,820 seconds is equal to 3,940 years, 51 weeks, 1 day, 22 hours, 7 minutes.
• To count from 1 to 123,942,434,820 would take you about seven thousand, eight hundred eighty-one 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 123942434820 cubic inches would be around 415.5 feet tall.

Recreational maths with 123942434820

• 123942434820 backwards is 028434249321
• The number of decimal digits it has is: 12
• The sum of 123942434820's digits is 42
• More coming soon!