1408681890

Names of 1408681890

• Cardinal: 1408681890 can be written as One billion, four hundred eight million, six hundred eighty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.40868189 × 10⁹

Factors of 1408681890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 508

Divisors of 1408681890

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 49 55 63 66 70 71 77 90 98 99 105 110 126 142 147 154 165 198 210 213 231 245 294 315 330 355 385 409 426 441 462 490 495 497 539 630 639 693 710 735 770 781 818 882 990 994 1065 1078 1155 1227 1278 1386 1470 1491 1562 1617 2045 2130 2205 2310 2343 2454 2485 2695 2863 2982 3195 3234 3465 3479 3681 3905 4090 4410 4473 4499 4686 4851 4970 5390 5467 5726 6135 6390 6930 6958 7029 7362 7455 7810 8085 8589 8946 8998 9702 10437 10934 11715 12270 13497 14058 14315 14910 16170 16401 17178 17395 18405 20041 20874 22365 22495 23430 24255 25767 26994 27335 28630 29039 31311 31493 32802 34790 35145 36810 38269 40082 40491 42945 44730 44990 48510 49203 51534 52185 54670 58078 60123 62622 62986 67485 70290 76538 80982 82005 85890 87117 94479 98406 100205 104370 114807 120246 128835 134970 145195 156555 157465 164010 174234 180369 188958 191345 200410 202455 203273 220451 229614 246015 257670 261351 283437 290390 300615 313110 314930 319429 344421 360738 382690 404910 406546 435585 440902 472395 492030 522702 566874 574035 601230 609819 638858 661353 688842 871170 901845 944790 958287 1016365 1102255 1148070 1219638 1306755 1322706 1417185 1422911 1597145 1722105 1803690 1829457 1916574 1984059 2032730 2204510 2236003 2613510 2834370 2845822 2874861 3049095 3194290 3306765 3444210 3658914 3968118 4268733 4472006 4791435 5749722 6098190 6613530 6708009 7114555 8537466 9147285 9582870 9920295 11180015 12806199 13416018 14229110 14374305 15652021 18294570 19840590 20124027 21343665 22360030 25612398 28748610 31304042 33540045 40248054 42687330 46956063 64030995 67080090 78260105 93912126 100620135 128061990 140868189 156520210 201240270 234780315 281736378 469560630 704340945 1408681890
• Sum of all divisors σ(n): 4724853120
• Sum of proper divisors (its aliquot sum) s(n): 3316171230
• 1408681890 is an abundant number, because the sum of its proper divisors (3316171230) is greater than itself. Its abundance is 1907489340

Bases of 1408681890

• Binary: 1010011111101101100011110100010₂
• Hexadecimal: 0x53F6C7A2
• Base-36: NAOXWI

Squares and roots of 1408681890

• 1408681890 squared (1408681890²) is 1984384667213972100
• 1408681890 cubed (1408681890³) is 2795366743497999252235269000
• The square root of 1408681890 is 37532.4111935273
• The cube root of 1408681890 is 1120.9966389133

Scales and comparisons

• 1,408,681,890 seconds is equal to 44 years, 41 weeks, 1 day, 4 hours, 31 minutes, 30 seconds.
• To count from 1 to 1,408,681,890 would take you about eighty-nine 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 1408681890 cubic inches would be around 93.4 feet tall.

Recreational maths with 1408681890

• 1408681890 backwards is 0981868041
• 1408681890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1408681890's digits is 45
• More coming soon!