31540900638

Names of 31540900638

• Cardinal: 31540900638 can be written as Thirty-one billion, five hundred forty million, nine hundred thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 3.1540900638 × 10¹⁰

Factors of 31540900638

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 467

Divisors of 31540900638

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 13 19 23 26 37 38 39 46 57 69 74 78 89 111 114 138 178 222 247 267 281 299 437 481 494 534 562 598 703 741 843 851 874 897 962 1157 1311 1406 1443 1482 1686 1691 1702 1794 2047 2109 2314 2553 2622 2886 3293 3382 3471 3653 4094 4218 5073 5106 5339 5681 6141 6463 6586 6942 7306 9139 9879 10146 10397 10678 10959 11063 11362 12282 12926 16017 16169 17043 18278 19389 19758 20794 21918 21983 22126 25009 26611 27417 31191 32034 32338 33189 34086 38778 38893 42809 43966 48507 50018 53222 54834 62382 62567 65949 66378 69407 75027 75739 77786 79833 84019 85618 97014 116679 122797 125134 128427 131898 135161 138814 150054 151478 159666 168038 187701 197543 208221 210197 227217 233358 239131 245594 252057 256854 270322 325117 368391 375402 395086 405483 416442 420394 454434 475171 478262 504114 505609 575207 592629 630591 650234 717393 736782 810966 813371 925333 950342 975351 984607 1011218 1150414 1185258 1261182 1425513 1434786 1439041 1516827 1596361 1626742 1725621 1850666 1950702 1969214 2440113 2568059 2775999 2851026 2878082 2953821 3033654 3108703 3192722 3451242 4317123 4543489 4789083 4880226 5136118 5551998 5907642 6177223 6217406 7477691 7704177 8634246 9086978 9326109 9578166 10928933 12029329 12354446 13630467 14955382 15408354 17581327 18531669 18652218 18707533 21282659 21857866 22433073 24058658 27260934 32786799 35162654 36087987 37063338 37415066 42565318 44866146 52743981 56122599 59065357 63847977 65573598 72175974 105487962 112245198 118130714 127695954 142076129 177196071 228557251 276674567 284152258 354392142 404370521 426228387 457114502 553349134 685671753 808741042 830023701 852456774 1213111563 1371343506 1660047402 2426223126 5256816773 10513633546 15770450319 31540900638
• Sum of all divisors σ(n): 77772441600
• Sum of proper divisors (its aliquot sum) s(n): 46231540962
• 31540900638 is an abundant number, because the sum of its proper divisors (46231540962) is greater than itself. Its abundance is 14690640324

Bases of 31540900638

• Binary: 11101010111111110111111001100011110₂
• Hexadecimal: 0x757FBF31E
• Base-36: EHMMYOU

Squares and roots of 31540900638

• 31540900638 squared (31540900638²) is 994828413056188807044
• 31540900638 cubed (31540900638³) is 31377784128064473073942558494072
• The square root of 31540900638 is 177597.5806085207
• The cube root of 31540900638 is 3159.5461025543

Scales and comparisons

• 31,540,900,638 seconds is equal to 1,002 years, 46 weeks, 6 days, 17 hours, 17 minutes, 18 seconds.
• To count from 1 to 31,540,900,638 would take you about two thousand and five 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 31540900638 cubic inches would be around 263.3 feet tall.

Recreational maths with 31540900638

• 31540900638 backwards is 83600904513
• 31540900638 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31540900638's digits is 39
• More coming soon!