8421440016

Names of 8421440016

• Cardinal: 8421440016 can be written as Eight billion, four hundred twenty-one million, four hundred forty thousand and sixteen.

Scientific notation

• Scientific notation: 8.421440016 × 10⁹

Factors of 8421440016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 130

Divisors of 8421440016

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 41 44 48 66 73 82 88 123 132 146 164 176 219 246 264 292 328 438 451 492 528 584 656 803 876 902 984 1168 1353 1606 1752 1804 1968 2409 2706 2993 3212 3504 3608 4818 5329 5412 5986 6424 7216 8979 9636 10658 10824 11972 12848 15987 17958 19272 21316 21648 23944 31974 32923 35916 38544 42632 47888 58619 63948 65846 71832 85264 98769 117238 127896 131692 143664 175857 197538 218489 234476 255792 263384 351714 389017 395076 436978 468952 526768 655467 703428 778034 790152 873956 937904 1167051 1310934 1406856 1556068 1580304 1747912 2334102 2403379 2621868 2813712 3112136 3495824 4279187 4668204 4806758 5243736 6224272 7210137 8558374 9336408 9613516 10487472 12837561 14420274 15949697 17116748 18672816 19227032 25675122 28840548 31899394 34233496 38454064 47849091 51350244 57681096 63798788 68466992 95698182 102700488 115362192 127597576 175446667 191396364 205400976 255195152 350893334 382792728 526340001 701786668 765585456 1052680002 1403573336 2105360004 2807146672 4210720008 8421440016
• Sum of all divisors σ(n): 24649672320
• Sum of proper divisors (its aliquot sum) s(n): 16228232304
• 8421440016 is an abundant number, because the sum of its proper divisors (16228232304) is greater than itself. Its abundance is 7806792288

Bases of 8421440016

• Binary: 111110101111101001111101000010000₂
• Hexadecimal: 0x1F5F4FA10
• Base-36: 3V9WOPC

Squares and roots of 8421440016

• 8421440016 squared (8421440016²) is 70920651943086080256
• 8421440016 cubed (8421440016³) is 597254016234313270800465924096
• The square root of 8421440016 is 91768.4042358807
• The cube root of 8421440016 is 2034.5207326987

Scales and comparisons

• 8,421,440,016 seconds is equal to 267 years, 40 weeks, 2 days, 8 hours, 53 minutes, 36 seconds.
• To count from 1 to 8,421,440,016 would take you about five hundred thirty-five 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 8421440016 cubic inches would be around 169.5 feet tall.

Recreational maths with 8421440016

• 8421440016 backwards is 6100441248
• The number of decimal digits it has is: 10
• The sum of 8421440016's digits is 30
• More coming soon!