1221422400

Names of 1221422400

• Cardinal: 1221422400 can be written as One billion, two hundred twenty-one million, four hundred twenty-two thousand, four hundred.

Scientific notation

• Scientific notation: 1.2214224 × 10⁹

Factors of 1221422400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 722

Divisors of 1221422400

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 30 32 33 36 40 44 45 48 50 55 60 64 66 72 75 80 88 90 96 99 100 110 120 121 132 144 150 160 165 176 180 192 198 200 220 225 240 242 264 275 288 300 320 330 352 360 363 396 400 440 450 480 484 495 528 550 576 600 605 660 701 704 720 726 792 800 825 880 900 960 968 990 1056 1089 1100 1200 1210 1320 1402 1440 1452 1584 1600 1650 1760 1800 1815 1936 1980 2103 2112 2178 2200 2400 2420 2475 2640 2804 2880 2904 3025 3168 3300 3505 3520 3600 3630 3872 3960 4206 4356 4400 4800 4840 4950 5280 5445 5608 5808 6050 6309 6336 6600 7010 7200 7260 7711 7744 7920 8412 8712 8800 9075 9680 9900 10515 10560 10890 11216 11616 12100 12618 13200 14020 14400 14520 15422 15840 16824 17424 17525 17600 18150 19360 19800 21030 21780 22432 23133 23232 24200 25236 26400 27225 28040 29040 30844 31545 31680 33648 34848 35050 36300 38555 38720 39600 42060 43560 44864 46266 48400 50472 52575 52800 54450 56080 58080 61688 63090 67296 69399 69696 70100 72600 77110 79200 84120 84821 87120 92532 96800 100944 105150 108900 112160 115665 116160 123376 126180 134592 138798 140200 145200 154220 157725 158400 168240 169642 174240 185064 192775 193600 201888 210300 217800 224320 231330 246752 252360 254463 277596 280400 290400 308440 315450 336480 339284 346995 348480 370128 385550 403776 420600 424105 435600 462660 493504 504720 508926 555192 560800 578325 580800 616880 630900 672960 678568 693990 740256 763389 771100 841200 848210 871200 925320 1009440 1017852 1110384 1121600 1156650 1233760 1261800 1272315 1357136 1387980 1480512 1526778 1542200 1682400 1696420 1734975 1742400 1850640 2018880 2035704 2120525 2220768 2313300 2467520 2523600 2544630 2714272 2775960 3053556 3084400 3364800 3392840 3469950 3701280 3816945 4071408 4241050 4441536 4626600 5047200 5089260 5428544 5551920 6107112 6168800 6361575 6785680 6939900 7402560 7633890 8142816 8482100 9253200 10094400 10178520 11103840 12214224 12337600 12723150 13571360 13879800 15267780 16285632 16964200 18506400 19084725 20357040 22207680 24428448 25446300 27142720 27759600 30535560 33928400 37012800 38169450 40714080 48856896 50892600 55519200 61071120 67856800 76338900 81428160 101785200 111038400 122142240 135713600 152677800 203570400 244284480 305355600 407140800 610711200 1221422400
• Sum of all divisors σ(n): 4778565246
• Sum of proper divisors (its aliquot sum) s(n): 3557142846
• 1221422400 is an abundant number, because the sum of its proper divisors (3557142846) is greater than itself. Its abundance is 2335720446

Bases of 1221422400

• Binary: 1001000110011010110110101000000₂
• Hexadecimal: 0x48CD6D40
• Base-36: K77BK0

Squares and roots of 1221422400

• 1221422400 squared (1221422400²) is 1491872679221760000
• 1221422400 cubed (1221422400³) is 1822206708349472231424000000
• The square root of 1221422400 is 34948.8540584665
• The cube root of 1221422400 is 1068.9448357213

Scales and comparisons

• 1,221,422,400 seconds is equal to 38 years, 43 weeks, 3 days, 20 hours.
• To count from 1 to 1,221,422,400 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 1221422400 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221422400

• 1221422400 backwards is 0042241221
• 1221422400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1221422400's digits is 18
• More coming soon!