31661398144

Names of 31661398144

• Cardinal: 31661398144 can be written as Thirty-one billion, six hundred sixty-one million, three hundred ninety-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 3.1661398144 × 10¹⁰

Factors of 31661398144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 75

Divisors of 31661398144

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 16 19 23 31 32 38 46 62 64 76 92 124 128 152 184 248 304 361 368 437 496 589 608 713 722 736 874 961 992 1178 1216 1426 1444 1472 1748 1922 1984 2356 2432 2852 2888 2944 3496 3844 3968 4712 5704 5776 6992 7688 8303 9424 11191 11408 11552 13547 13984 15376 16606 18259 18848 22103 22382 22816 23104 27094 27968 29791 30752 33212 36518 37696 44206 44764 45632 46208 54188 55936 59582 61504 66424 73036 75392 88412 89528 91264 108376 119164 123008 132848 146072 176824 179056 216752 238328 257393 265696 292144 346921 353648 358112 419957 433504 476656 514786 531392 566029 584288 685193 693842 707296 716224 839914 867008 953312 1029572 1062784 1132058 1168576 1370386 1387684 1414592 1432448 1679828 1734016 1906624 2059144 2264116 2337152 2740772 2775368 2829184 3359656 3813248 4118288 4528232 5481544 5550736 6719312 7979183 8236576 9056464 10754551 10963088 11101472 13018667 13438624 15958366 16473152 18112928 21509102 21926176 22202944 26037334 26877248 31916732 32946304 36225856 43018204 43852352 44405888 52074668 53754496 63833464 72451712 86036408 87704704 104149336 127666928 172072816 208298672 247354673 255333856 344145632 416597344 494709346 510667712 688291264 833194688 989418692 1021335424 1376582528 1666389376 1978837384 3957674768 7915349536 15830699072 31661398144
• Sum of all divisors σ(n): 71779668480
• Sum of proper divisors (its aliquot sum) s(n): 40118270336
• 31661398144 is an abundant number, because the sum of its proper divisors (40118270336) is greater than itself. Its abundance is 8456872192

Bases of 31661398144

• Binary: 11101011111001010101001100010000000₂
• Hexadecimal: 0x75F2A9880
• Base-36: EJMDN5S

Squares and roots of 31661398144

• 31661398144 squared (31661398144²) is 1002444132432886644736
• 31661398144 cubed (31661398144³) is 31738782794074287418206777769984
• The square root of 31661398144 is 177936.5003140165
• The cube root of 31661398144 is 3163.5645211645

Scales and comparisons

• 31,661,398,144 seconds is equal to 1,006 years, 38 weeks, 1 day, 8 hours, 49 minutes, 4 seconds.
• To count from 1 to 31,661,398,144 would take you about two thousand and thirteen 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 31661398144 cubic inches would be around 263.6 feet tall.

Recreational maths with 31661398144

• 31661398144 backwards is 44189316613
• 31661398144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31661398144's digits is 46
• More coming soon!