1398241908

Names of 1398241908

• Cardinal: 1398241908 can be written as One billion, three hundred ninety-eight million, two hundred forty-one thousand, nine hundred eight.

Scientific notation

• Scientific notation: 1.398241908 × 10⁹

Factors of 1398241908

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4697

Divisors of 1398241908

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 71 84 102 119 126 142 153 204 213 238 252 284 306 357 426 476 497 612 639 714 852 994 1071 1207 1278 1428 1491 1988 2142 2414 2556 2982 3621 4284 4473 4597 4828 5964 7242 8449 8946 9194 10863 13791 14484 16898 17892 18388 21726 25347 27582 32179 33796 41373 43452 50694 55164 64358 76041 78149 82746 96537 101388 128716 152082 156298 165492 193074 234447 289611 304164 312596 326387 386148 468894 547043 579222 652774 703341 937788 979161 1094086 1158444 1305548 1406682 1641129 1958322 2188172 2284709 2813364 2937483 3282258 3916644 4569418 4923387 5548579 5874966 6564516 6854127 9138836 9846774 11097158 11749932 13708254 16645737 19693548 20562381 22194316 27416508 33291474 38840053 41124762 49937211 66582948 77680106 82249524 99874422 116520159 155360212 199748844 233040318 349560477 466080636 699120954 1398241908
• Sum of all divisors σ(n): 4338157824
• Sum of proper divisors (its aliquot sum) s(n): 2939915916
• 1398241908 is an abundant number, because the sum of its proper divisors (2939915916) is greater than itself. Its abundance is 1541674008

Bases of 1398241908

• Binary: 1010011010101110111101001110100₂
• Hexadecimal: 0x53577A74
• Base-36: N4H6D0

Squares and roots of 1398241908

• 1398241908 squared (1398241908²) is 1955080433287480464
• 1398241908 cubed (1398241908³) is 2733675395333353396496085312
• The square root of 1398241908 is 37393.0729948743
• The cube root of 1398241908 is 1118.2204701943

Scales and comparisons

• 1,398,241,908 seconds is equal to 44 years, 23 weeks, 6 days, 8 hours, 31 minutes, 48 seconds.
• To count from 1 to 1,398,241,908 would take you about eighty-eight 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 1398241908 cubic inches would be around 93.2 feet tall.

Recreational maths with 1398241908

• 1398241908 backwards is 8091428931
• The number of decimal digits it has is: 10
• The sum of 1398241908's digits is 45
• More coming soon!