19402136072

Names of 19402136072

• Cardinal: 19402136072 can be written as Nineteen billion, four hundred two million, one hundred thirty-six thousand and seventy-two.

Scientific notation

• Scientific notation: 1.9402136072 × 10¹⁰

Factors of 19402136072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 50

Divisors of 19402136072

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 11 22 37 44 74 88 121 148 242 296 407 484 814 968 1331 1369 1628 2662 2738 3256 4477 5324 5476 8954 10648 10952 14641 15059 17908 29282 30118 35816 49247 58564 60236 98494 117128 120472 161051 165649 196988 322102 331298 393976 541717 644204 662596 1083434 1288408 1325192 1771561 1822139 2166868 3543122 3644278 4333736 5958887 7086244 7288556 11917774 14172488 14577112 20043529 23835548 40087058 47671096 65547757 80174116 131095514 160348232 220478819 262191028 440957638 524382056 881915276 1763830552 2425267009 4850534018 9701068036 19402136072
• Sum of all divisors σ(n): 41127672285
• Sum of proper divisors (its aliquot sum) s(n): 21725536213
• 19402136072 is an abundant number, because the sum of its proper divisors (21725536213) is greater than itself. Its abundance is 2323400141

Bases of 19402136072

• Binary: 10010000100011101010001101000001000₂
• Hexadecimal: 0x484751A08
• Base-36: 8WVJ408

Squares and roots of 19402136072

• 19402136072 squared (19402136072²) is 376442884156403589184
• 19402136072 cubed (19402136072³) is 7303796061738675367497155445248
• The square root of 19402136072 is 139291.5506123757
• The cube root of 19402136072 is 2687.0959973981

Scales and comparisons

• 19,402,136,072 seconds is equal to 616 years, 48 weeks, 1 day, 18 hours, 14 minutes, 32 seconds.
• To count from 1 to 19,402,136,072 would take you about one thousand, two hundred thirty-three 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 19402136072 cubic inches would be around 223.9 feet tall.

Recreational maths with 19402136072

• 19402136072 backwards is 27063120491
• The number of decimal digits it has is: 11
• The sum of 19402136072's digits is 35
• More coming soon!