121742509824

Names of 121742509824

• Cardinal: 121742509824 can be written as One hundred twenty-one billion, seven hundred forty-two million, five hundred nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.21742509824 × 10¹¹

Factors of 121742509824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5750

Divisors of 121742509824

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 576 624 768 829 832 936 1152 1248 1658 1664 1872 2304 2487 2496 3316 3328 3744 4903 4974 4992 6632 7461 7488 9806 9948 9984 10777 13264 14709 14922 14976 19612 19896 21554 26528 29418 29844 29952 32331 39224 39792 43108 44127 53056 58836 59688 63739 64662 78448 79584 86216 88254 96993 106112 117672 119376 127478 129324 156896 159168 172432 176508 191217 193986 212224 235344 238752 254956 258648 313792 318336 344864 353016 382434 387972 470688 477504 509912 517296 573651 627584 636672 689728 706032 764868 775944 941376 955008 1019824 1034592 1147302 1255168 1379456 1412064 1529736 1551888 1882752 1910016 2039648 2069184 2294604 2758912 2824128 3059472 3103776 3765504 4064587 4079296 4138368 4589208 5648256 6118944 6207552 8129174 8158592 8276736 9178416 11296512 12193761 12237888 12415104 16258348 16317184 18356832 24387522 24475776 24830208 32516696 36581283 36713664 48775044 48951552 52839631 65033392 73162566 73427328 97550088 105679262 130066784 146325132 146854656 158518893 195100176 211358524 260133568 292650264 317037786 390200352 422717048 475556679 520267136 585300528 634075572 780400704 845434096 951113358 1040534272 1170601056 1268151144 1560801408 1690868192 1902226716 2341202112 2536302288 3121602816 3381736384 3804453432 4682404224 5072604576 6763472768 7608906864 9364808448 10145209152 13526945536 15217813728 20290418304 30435627456 40580836608 60871254912 121742509824
• Sum of all divisors σ(n): 378547900640
• Sum of proper divisors (its aliquot sum) s(n): 256805390816
• 121742509824 is an abundant number, because the sum of its proper divisors (256805390816) is greater than itself. Its abundance is 135062880992

Bases of 121742509824

• Binary: 1110001011000011010110100011100000000₂
• Hexadecimal: 0x1C586B4700
• Base-36: 1JXECHS0

Squares and roots of 121742509824

• 121742509824 squared (121742509824²) is 14821238698246736510976
• 121742509824 cubed (121742509824³) is 1804374797825152291263435163828224
• The square root of 121742509824 is 348916.1931237929
• The cube root of 121742509824 is 4956.1839500073

Scales and comparisons

• 121,742,509,824 seconds is equal to 3,871 years, 1 week, 5 days, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 121,742,509,824 would take you about seven thousand, seven hundred forty-two 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 121742509824 cubic inches would be around 413 feet tall.

Recreational maths with 121742509824

• 121742509824 backwards is 428905247121
• The number of decimal digits it has is: 12
• The sum of 121742509824's digits is 45
• More coming soon!