121211317128

Names of 121211317128

• Cardinal: 121211317128 can be written as One hundred twenty-one billion, two hundred eleven million, three hundred seventeen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21211317128 × 10¹¹

Factors of 121211317128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 400375

Divisors of 121211317128

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 31 33 37 44 62 66 74 88 93 111 124 132 148 186 222 248 264 296 341 372 407 444 682 744 814 888 1023 1147 1221 1364 1628 2046 2294 2442 2728 3256 3441 4092 4588 4884 6882 8184 9176 9768 12617 13764 25234 27528 37851 50468 75702 100936 151404 302808 400291 800582 1200873 1601164 2401746 3202328 4403201 4803492 8806402 9606984 12409021 13209603 14810767 17612804 24818042 26419206 29621534 35225608 37227063 44432301 49636084 52838412 59243068 74454126 88864602 99272168 105676824 118486136 136499231 148908252 162918437 177729204 272998462 297816504 325836874 355458408 409497693 459133777 488755311 545996924 651673748 818995386 918267554 977510622 1091993848 1303347496 1377401331 1637990772 1836535108 1955021244 2754802662 3275981544 3673070216 3910042488 5050471547 5509605324 10100943094 11019210648 15151414641 20201886188 30302829282 40403772376 60605658564 121211317128
• Sum of all divisors σ(n): 350463651840
• Sum of proper divisors (its aliquot sum) s(n): 229252334712
• 121211317128 is an abundant number, because the sum of its proper divisors (229252334712) is greater than itself. Its abundance is 108041017584

Bases of 121211317128

• Binary: 1110000111000110000011110101110001000₂
• Hexadecimal: 0x1C38C1EB88
• Base-36: 1JOM36VC

Squares and roots of 121211317128

• 121211317128 squared (121211317128²) is 14692183399904586168384
• 121211317128 cubed (121211317128³) is 1780858901388572038997595431281152
• The square root of 121211317128 is 348154.1571315789
• The cube root of 121211317128 is 4948.9650882445

Scales and comparisons

• 121,211,317,128 seconds is equal to 3,854 years, 7 weeks, 3 days, 18 hours, 18 minutes, 48 seconds.
• To count from 1 to 121,211,317,128 would take you about seven thousand, seven hundred eight 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 121211317128 cubic inches would be around 412.4 feet tall.

Recreational maths with 121211317128

• 121211317128 backwards is 821713112121
• The number of decimal digits it has is: 12
• The sum of 121211317128's digits is 30
• More coming soon!