31393182212820

Names of 31393182212820

• Cardinal: 31393182212820 can be written as Thirty-one trillion, three hundred ninety-three billion, one hundred eighty-two million, two hundred twelve thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.139318221282 × 10¹³

Factors of 31393182212820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1275429

Divisors of 31393182212820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 1044 1305 1740 2610 4733 5220 9466 14199 18932 23665 28398 42597 47330 56796 70995 85194 94660 137257 141990 170388 212985 274514 283980 411771 425970 549028 686285 823542 851940 1235313 1270657 1372570 1647084 2058855 2470626 2541314 2745140 3811971 4117710 4941252 5082628 6176565 6353285 7623942 8235420 11435913 12353130 12706570 15247884 19059855 22871826 24706260 25413140 36849053 38119710 45743652 57179565 73698106 76239420 110547159 114359130 147396212 184245265 221094318 228718260 331641477 368490530 442188636 552735795 663282954 736981060 1105471590 1326565908 1658207385 2210943180 3316414770 6014019581 6632829540 12028039162 18042058743 24056078324 30070097905 36084117486 54126176229 60140195810 72168234972 90210293715 108252352458 120280391620 174406567849 180420587430 216504704916 270630881145 348813135698 360841174860 523219703547 541261762290 697626271396 872032839245 1046439407094 1082523524580 1569659110641 1744065678490 2092878814188 2616098517735 3139318221282 3488131356980 5232197035470 6278636442564 7848295553205 10464394070940 15696591106410 31393182212820
• Sum of all divisors σ(n): 98530531641360
• Sum of proper divisors (its aliquot sum) s(n): 67137349428540
• 31393182212820 is an abundant number, because the sum of its proper divisors (67137349428540) is greater than itself. Its abundance is 35744167215720

Bases of 31393182212820

• Binary: 111001000110101001011011110010110001011010100₂
• Hexadecimal: 0x1C8D4B7962D4
• Base-36: B4LTU53H0

Squares and roots of 31393182212820

• 31393182212820 squared (31393182212820²) is 985531889447318031772352400
• 31393182212820 cubed (31393182212820³) is 30938982181964431095489464983128837768000
• The square root of 31393182212820 is 5602961.9142753415
• The cube root of 31393182212820 is 31546.0591713585

Scales and comparisons

• 31,393,182,212,820 seconds is equal to 998,206 years, 4 weeks, 4 days, 8 hours, 27 minutes.
• To count from 1 to 31,393,182,212,820 would take you about two million, four hundred ninety-five thousand, five hundred fifteen 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 31393182212820 cubic inches would be around 2628.8 feet tall.

Recreational maths with 31393182212820

• 31393182212820 backwards is 02821228139313
• 31393182212820 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31393182212820's digits is 45
• More coming soon!