1220891400

Names of 1220891400

• Cardinal: 1220891400 can be written as One billion, two hundred twenty million, eight hundred ninety-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.2208914 × 10⁹

Factors of 1220891400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2230

Divisors of 1220891400

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 90 100 107 108 120 135 150 180 200 214 216 225 270 300 321 360 428 450 535 540 600 642 675 856 900 963 1070 1080 1284 1350 1605 1800 1926 2113 2140 2568 2675 2700 2889 3210 3852 4226 4280 4815 5350 5400 5778 6339 6420 7704 8025 8452 9630 10565 10700 11556 12678 12840 14445 16050 16904 19017 19260 21130 21400 23112 24075 25356 28890 31695 32100 38034 38520 42260 48150 50712 52825 57051 57780 63390 64200 72225 76068 84520 95085 96300 105650 114102 115560 126780 144450 152136 158475 190170 192600 211300 226091 228204 253560 285255 288900 316950 380340 422600 452182 456408 475425 570510 577800 633900 678273 760680 904364 950850 1130455 1141020 1267800 1356546 1426275 1808728 1901700 2034819 2260910 2282040 2713092 2852550 3391365 3803400 4069638 4521820 5426184 5652275 5705100 6104457 6782730 8139276 9043640 10174095 11304550 11410200 12208914 13565460 16278552 16956825 20348190 22609100 24417828 27130920 30522285 33913650 40696380 45218200 48835656 50870475 61044570 67827300 81392760 101740950 122089140 135654600 152611425 203481900 244178280 305222850 406963800 610445700 1220891400
• Sum of all divisors σ(n): 4246603200
• Sum of proper divisors (its aliquot sum) s(n): 3025711800
• 1220891400 is an abundant number, because the sum of its proper divisors (3025711800) is greater than itself. Its abundance is 1804820400

Bases of 1220891400

• Binary: 1001000110001010101001100001000₂
• Hexadecimal: 0x48C55308
• Base-36: K6VXU0

Squares and roots of 1220891400

• 1220891400 squared (1220891400²) is 1490575810593960000
• 1220891400 cubed (1220891400³) is 1819831188202194655944000000
• The square root of 1220891400 is 34941.2564170209
• The cube root of 1220891400 is 1068.7899092515

Scales and comparisons

• 1,220,891,400 seconds is equal to 38 years, 42 weeks, 4 days, 16 hours, 30 minutes.
• To count from 1 to 1,220,891,400 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 1220891400 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220891400

• 1220891400 backwards is 0041980221
• 1220891400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1220891400's digits is 27
• More coming soon!