31799145728

Names of 31799145728

• Cardinal: 31799145728 can be written as Thirty-one billion, seven hundred ninety-nine million, one hundred forty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1799145728 × 10¹⁰

Factors of 31799145728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 359

Divisors of 31799145728

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 64 68 73 79 112 119 128 136 146 158 181 224 238 256 272 292 316 362 448 476 511 544 553 584 632 724 896 952 1022 1088 1106 1168 1241 1264 1267 1343 1448 1792 1904 2044 2176 2212 2336 2482 2528 2534 2686 2896 3077 3808 4088 4352 4424 4672 4964 5056 5068 5372 5767 5792 6154 7616 8176 8687 8848 9344 9401 9928 10112 10136 10744 11534 11584 12308 13213 14299 15232 16352 17374 17696 18688 18802 19856 20224 20272 21488 21539 23068 23168 24616 26426 28598 30464 32704 34748 35392 37604 39712 40369 40544 42976 43078 46136 46336 49232 52852 57196 65408 69496 70784 75208 79424 80738 81088 85952 86156 92272 92491 98039 98464 100093 105704 114392 130816 138992 141568 150416 158848 161476 162176 171904 172312 184544 184982 196078 196928 200186 211408 224621 228784 243083 277984 300832 317696 322952 324352 343808 344624 369088 369964 392156 393856 400372 422816 449242 457568 486166 555968 601664 645904 686273 689248 738176 739928 784312 787712 800744 845632 898484 915136 972332 1043827 1111936 1203328 1291808 1372546 1378496 1476352 1479856 1568624 1572347 1601488 1691264 1701581 1796968 1830272 1944664 2087654 2223872 2406656 2583616 2745092 2756992 2959712 3137248 3144694 3202976 3382528 3403162 3593936 3660544 3889328 4175308 5167232 5490184 5513984 5919424 6274496 6289388 6405952 6806324 7187872 7306789 7778656 8350616 10334464 10980368 11838848 12548992 12578776 12811904 13612648 14375744 14613578 15557312 16701232 17745059 21960736 23677696 25097984 25157552 25623808 27225296 28751488 29227156 31114624 33402464 35490118 43921472 50315104 54450592 57502976 58454312 62229248 66804928 70980236 87842944 100630208 108901184 116908624 124215413 133609856 141960472 175685888 201260416 217802368 233817248 248430826 267219712 283920944 402520832 435604736 467634496 496861652 567841888 935268992 993723304 1135683776 1870537984 1987446608 2271367552 3974893216 4542735104 7949786432 15899572864 31799145728
• Sum of all divisors σ(n): 79282344960
• Sum of proper divisors (its aliquot sum) s(n): 47483199232
• 31799145728 is an abundant number, because the sum of its proper divisors (47483199232) is greater than itself. Its abundance is 15684053504

Bases of 31799145728

• Binary: 11101100111011000000111010100000000₂
• Hexadecimal: 0x767607500
• Base-36: ELWE1VK

Squares and roots of 31799145728

• 31799145728 squared (31799145728²) is 1011185669030580649984
• 31799145728 cubed (31799145728³) is 32154840447568610577298176868352
• The square root of 31799145728 is 178323.1497254351
• The cube root of 31799145728 is 3168.1457352269

Scales and comparisons

• 31,799,145,728 seconds is equal to 1,011 years, 5 weeks, 6 days, 16 hours, 2 minutes, 8 seconds.
• To count from 1 to 31,799,145,728 would take you about two thousand and twenty-two 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 31799145728 cubic inches would be around 264 feet tall.

Recreational maths with 31799145728

• 31799145728 backwards is 82754199713
• 31799145728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31799145728's digits is 56
• More coming soon!