1220159920

Names of 1220159920

• Cardinal: 1220159920 can be written as One billion, two hundred twenty million, one hundred fifty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.22015992 × 10⁹

Factors of 1220159920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 75176

Divisors of 1220159920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 203 232 280 290 406 464 560 580 812 1015 1160 1624 2030 2320 3248 4060 8120 16240 75133 150266 300532 375665 525931 601064 751330 1051862 1202128 1502660 2103724 2178857 2629655 3005320 4207448 4357714 5259310 6010640 8414896 8715428 10518620 10894285 15251999 17430856 21037240 21788570 30503998 34861712 42074480 43577140 61007996 76259995 87154280 122015992 152519990 174308560 244031984 305039980 610079960 1220159920
• Sum of all divisors σ(n): 3353981760
• Sum of proper divisors (its aliquot sum) s(n): 2133821840
• 1220159920 is an abundant number, because the sum of its proper divisors (2133821840) is greater than itself. Its abundance is 913661920

Bases of 1220159920

• Binary: 1001000101110100010100110110000₂
• Hexadecimal: 0x48BA29B0
• Base-36: K6G9F4

Squares and roots of 1220159920

• 1220159920 squared (1220159920²) is 1488790230374406400
• 1220159920 cubed (1220159920³) is 1816562168390417283071488000
• The square root of 1220159920 is 34930.7875662717
• The cube root of 1220159920 is 1068.5764164353

Scales and comparisons

• 1,220,159,920 seconds is equal to 38 years, 41 weeks, 3 days, 5 hours, 18 minutes, 40 seconds.
• To count from 1 to 1,220,159,920 would take you about seventy-seven 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 1220159920 cubic inches would be around 89 feet tall.

Recreational maths with 1220159920

• 1220159920 backwards is 0299510221
• The number of decimal digits it has is: 10
• The sum of 1220159920's digits is 31
• More coming soon!