1397872872

Names of 1397872872

• Cardinal: 1397872872 can be written as One billion, three hundred ninety-seven million, eight hundred seventy-two thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.397872872 × 10⁹

Factors of 1397872872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 80

Divisors of 1397872872

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 17 18 22 24 33 34 36 44 47 51 66 68 72 88 94 99 102 132 136 141 153 187 188 198 204 264 282 306 374 376 396 408 423 517 561 564 612 748 792 799 846 1034 1122 1128 1224 1496 1551 1598 1683 1692 2068 2209 2244 2397 3102 3196 3366 3384 4136 4418 4488 4653 4794 6204 6392 6627 6732 7191 8789 8836 9306 9588 12408 13254 13464 14382 17578 17672 18612 19176 19881 24299 26367 26508 28764 35156 37224 37553 39762 48598 52734 53016 57528 70312 72897 75106 79101 79524 97196 103823 105468 112659 145794 150212 158202 159048 194392 207646 210936 218691 225318 291588 300424 311469 316404 337977 413083 415292 437382 450636 583176 622938 632808 675954 826166 830584 874764 901272 934407 1142053 1239249 1245876 1351908 1652332 1749528 1764991 1868814 2284106 2478498 2491752 2703816 3304664 3426159 3529982 3717747 3737628 4568212 4956996 5294973 6852318 7059964 7435494 7475256 9136424 9913992 10278477 10589946 13704636 14119928 14870988 15884919 19414901 20556954 21179892 27409272 29741976 31769838 38829802 41113908 42359784 58244703 63539676 77659604 82227816 116489406 127079352 155319208 174734109 232978812 349468218 465957624 698936436 1397872872
• Sum of all divisors σ(n): 4468089600
• Sum of proper divisors (its aliquot sum) s(n): 3070216728
• 1397872872 is an abundant number, because the sum of its proper divisors (3070216728) is greater than itself. Its abundance is 1672343856

Bases of 1397872872

• Binary: 1010011010100011101100011101000₂
• Hexadecimal: 0x5351D8E8
• Base-36: N499M0

Squares and roots of 1397872872

• 1397872872 squared (1397872872²) is 1954048566273528384
• 1397872872 cubed (1397872872³) is 2731511481364259459715598848
• The square root of 1397872872 is 37388.1381189275
• The cube root of 1397872872 is 1118.1220847581

Scales and comparisons

• 1,397,872,872 seconds is equal to 44 years, 23 weeks, 2 days, 2 hours, 1 minute, 12 seconds.
• To count from 1 to 1,397,872,872 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 1397872872 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397872872

• 1397872872 backwards is 2782787931
• The number of decimal digits it has is: 10
• The sum of 1397872872's digits is 54
• More coming soon!