3998321145

Names of 3998321145

• Cardinal: 3998321145 can be written as Three billion, nine hundred ninety-eight million, three hundred twenty-one thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 3.998321145 × 10⁹

Factors of 3998321145

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 173

Divisors of 3998321145

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 35 39 45 57 59 63 65 67 91 95 105 117 133 169 171 177 195 201 247 273 285 295 315 335 399 413 455 469 507 531 585 603 665 741 767 819 845 855 871 885 1005 1121 1183 1197 1235 1239 1273 1365 1407 1521 1729 1995 2065 2223 2301 2345 2535 2613 2655 3015 3211 3363 3549 3705 3717 3819 3835 3953 4095 4221 4355 5187 5369 5605 5915 5985 6097 6195 6365 6903 7035 7605 7839 7847 8645 8911 9633 9971 10089 10647 11115 11323 11457 11505 11859 13065 14573 15561 16055 16107 16549 16815 17745 18291 18585 19095 19765 21105 22477 23541 25935 26733 26845 27671 28899 29913 30485 33969 34515 35577 39195 39235 43719 44555 48165 48321 49647 49855 50445 51389 53235 54873 56615 57285 59295 67431 69797 70623 72865 75107 77805 79261 80199 80535 82745 83013 89739 91455 101907 102011 112385 115843 117705 131157 133665 138355 144495 148941 149565 154167 169845 177885 189449 202293 209391 215137 218595 225321 237783 241605 248235 249039 256945 274365 306033 337155 347529 348985 353115 359723 375535 396305 400995 415065 448695 462501 509535 510055 525749 568347 579215 628173 645411 655785 668057 675963 713349 744705 770835 918099 947245 976391 1011465 1042587 1046955 1075685 1079169 1126605 1188915 1245195 1326143 1505959 1530165 1577247 1705041 1737645 1798615 1936233 2004171 2312505 2628745 2841735 2929173 3140865 3227055 3237507 3340285 3379815 3566745 3978429 4517877 4590495 4676399 4731741 4881955 5212935 5395845 6012513 6630715 6834737 7529795 7886235 8525205 8787519 9681165 10020855 11935287 12693083 13553631 14029197 14645865 16187535 19892145 20504211 22589385 23381995 23658705 30062565 34173685 38079249 42087591 43937595 59676435 61512633 63465415 67768155 70145985 88851581 102521055 114237747 190396245 210437955 266554743 307563165 444257905 571188735 799664229 1332773715 3998321145
• Sum of all divisors σ(n): 9318067200
• Sum of proper divisors (its aliquot sum) s(n): 5319746055
• 3998321145 is an abundant number, because the sum of its proper divisors (5319746055) is greater than itself. Its abundance is 1321424910

Bases of 3998321145

• Binary: 11101110010100011000100111111001₂
• Hexadecimal: 0xEE5189F9
• Base-36: 1U4HWC9

Squares and roots of 3998321145

• 3998321145 squared (3998321145²) is 15986571978554111025
• 3998321145 cubed (3998321145³) is 63919448777917388637935123625
• The square root of 3998321145 is 63232.2792962581
• The cube root of 3998321145 is 1587.1789362077

Scales and comparisons

• 3,998,321,145 seconds is equal to 127 years, 6 weeks, 6 days, 20 hours, 45 minutes, 45 seconds.
• To count from 1 to 3,998,321,145 would take you about two hundred fifty-four 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 3998321145 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998321145

• 3998321145 backwards is 5411238993
• 3998321145 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3998321145's digits is 45
• More coming soon!