31455678464

Names of 31455678464

• Cardinal: 31455678464 can be written as Thirty-one billion, four hundred fifty-five million, six hundred seventy-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 3.1455678464 × 10¹⁰

Factors of 31455678464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 394

Divisors of 31455678464

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 56 64 74 112 128 148 149 199 224 256 259 296 298 398 448 512 518 592 596 796 896 1024 1036 1043 1184 1192 1393 1592 1792 2048 2072 2086 2368 2384 2786 3184 3584 4096 4144 4172 4736 4768 5513 5572 6368 7168 7363 8288 8344 9472 9536 11026 11144 12736 14336 14726 16576 16688 18944 19072 22052 22288 25472 28672 29452 29651 33152 33376 37888 38144 38591 44104 44576 50944 51541 58904 59302 66304 66752 75776 76288 77182 88208 89152 101888 103082 117808 118604 132608 133504 151552 152576 154364 176416 178304 203776 206164 207557 235616 237208 265216 267008 305152 308728 352832 356608 407552 412328 415114 471232 474416 530432 534016 610304 617456 705664 713216 815104 824656 830228 942464 948832 1060864 1068032 1097087 1234912 1411328 1426432 1649312 1660456 1884928 1897664 2136064 2194174 2469824 2822656 2852864 3298624 3320912 3769856 3795328 4272128 4388348 4939648 5645312 5705728 6597248 6641824 7539712 7590656 7679609 8776696 9879296 11290624 13194496 13283648 15079424 15181312 15359218 17553392 19758592 22581248 26388992 26567296 30158848 30362624 30718436 35106784 39517184 52777984 53134592 60725248 61436872 70213568 79034368 105555968 106269184 121450496 122873744 140427136 158068736 211111936 212538368 245747488 280854272 425076736 491494976 561708544 850153472 982989952 1123417088 1965979904 2246834176 3931959808 4493668352 7863919616 15727839232 31455678464
• Sum of all divisors σ(n): 74701920000
• Sum of proper divisors (its aliquot sum) s(n): 43246241536
• 31455678464 is an abundant number, because the sum of its proper divisors (43246241536) is greater than itself. Its abundance is 11790563072

Bases of 31455678464

• Binary: 11101010010111001111001000000000000₂
• Hexadecimal: 0x752E79000
• Base-36: EG7WCU8

Squares and roots of 31455678464

• 31455678464 squared (31455678464²) is 989459707630553399296
• 31455678464 cubed (31455678464³) is 31124126416310135030637179961344
• The square root of 31455678464 is 177357.4877584817
• The cube root of 31455678464 is 3156.6978826271

Scales and comparisons

• 31,455,678,464 seconds is equal to 1,000 years, 10 weeks, 8 hours, 27 minutes, 44 seconds.
• To count from 1 to 31,455,678,464 would take you about two thousand 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 31455678464 cubic inches would be around 263.1 feet tall.

Recreational maths with 31455678464

• 31455678464 backwards is 46487655413
• The number of decimal digits it has is: 11
• The sum of 31455678464's digits is 53
• More coming soon!