31439845680

Names of 31439845680

• Cardinal: 31439845680 can be written as Thirty-one billion, four hundred thirty-nine million, eight hundred forty-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.143984568 × 10¹⁰

Factors of 31439845680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 389

Divisors of 31439845680

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 127 152 190 228 233 240 254 285 304 380 381 456 466 508 570 635 699 760 762 912 932 1016 1140 1165 1270 1398 1520 1524 1864 1905 2032 2280 2330 2413 2540 2796 3048 3495 3728 3810 4427 4560 4660 4826 5080 5592 6096 6990 7239 7620 8854 9320 9652 10160 11184 12065 13281 13980 14478 15240 17708 18640 19304 22135 24130 26562 27960 28956 29591 30480 35416 36195 38608 44270 48260 53124 54289 55920 57912 59182 66405 70832 72390 88540 88773 96520 106248 108578 115824 118364 132810 144780 147955 162867 177080 177546 193040 212496 217156 236728 265620 271445 289560 295910 325734 354160 355092 434312 443865 473456 531240 542890 562229 579120 591820 651468 710184 814335 868624 887730 1031491 1062480 1085780 1124458 1183640 1302936 1420368 1628670 1686687 1775460 2062982 2171560 2248916 2367280 2605872 2811145 3094473 3257340 3373374 3550920 4125964 4343120 4497832 5157455 5622290 6188946 6514680 6746748 6894703 7101840 8251928 8433435 8995664 10314910 11244580 12377892 13029360 13493496 13789406 15472365 16503856 16866870 20629820 20684109 22489160 24755784 26986992 27578812 30944730 33733740 34473515 41259640 41368218 44978320 49511568 55157624 61889460 67467480 68947030 82519280 82736436 103420545 110315248 123778920 130999357 134934960 137894060 165472872 206841090 247557840 261998714 275788120 330945744 392998071 413682180 523997428 551576240 654996785 785996142 827364360 1047994856 1309993570 1571992284 1654728720 1964990355 2095989712 2619987140 3143984568 3929980710 5239974280 6287969136 7859961420 10479948560 15719922840 31439845680
• Sum of all divisors σ(n): 103846686720
• Sum of proper divisors (its aliquot sum) s(n): 72406841040
• 31439845680 is an abundant number, because the sum of its proper divisors (72406841040) is greater than itself. Its abundance is 40966995360

Bases of 31439845680

• Binary: 11101010001111101011111100100110000₂
• Hexadecimal: 0x751F5F930
• Base-36: EFYH06O

Squares and roots of 31439845680

• 31439845680 squared (31439845680²) is 988463896382214662400
• 31439845680 cubed (31439845680³) is 31077152362508339282489298432000
• The square root of 31439845680 is 177312.8469118917
• The cube root of 31439845680 is 3156.1681668919

Scales and comparisons

• 31,439,845,680 seconds is equal to 999 years, 35 weeks, 6 days, 2 hours, 28 minutes.
• To count from 1 to 31,439,845,680 would take you about one thousand, nine hundred ninety-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 31439845680 cubic inches would be around 263 feet tall.

Recreational maths with 31439845680

• 31439845680 backwards is 08654893413
• The number of decimal digits it has is: 11
• The sum of 31439845680's digits is 51
• More coming soon!