642892743168

Names of 642892743168

• Cardinal: 642892743168 can be written as Six hundred forty-two billion, eight hundred ninety-two million, seven hundred forty-three thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.42892743168 × 10¹¹

Factors of 642892743168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 19646

Divisors of 642892743168

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 127 128 156 169 192 208 254 256 312 338 381 384 416 507 508 512 624 676 762 768 832 1014 1016 1248 1352 1524 1536 1651 1664 2028 2032 2496 2704 3048 3302 3328 4056 4064 4953 4992 5408 6096 6604 6656 8112 8128 9906 9984 10816 12192 13208 16224 16256 19501 19812 19968 21463 21632 24384 26416 32448 32512 39002 39624 42926 43264 48768 52832 58503 64389 64896 65024 78004 79248 85852 86528 97536 105664 117006 128778 129792 156008 158496 171704 195072 211328 234012 253513 257556 259584 312016 316992 343408 422656 468024 507026 515112 624032 633984 686816 760539 845312 936048 1014052 1030224 1248064 1267968 1373632 1521078 1872096 2028104 2060448 2476627 2496128 2535936 2747264 3042156 3295669 3744192 4056208 4120896 4953254 4992256 5494528 6084312 6591338 7429881 7488384 8112416 8241792 9887007 9906508 9984512 10989056 12168624 13182676 14859762 14976768 16224832 16483584 19774014 19813016 24337248 26365352 29719524 29953536 32196151 32449664 32967168 39548028 39626032 48674496 52730704 59439048 64392302 64899328 79096056 79252064 96588453 97348992 105461408 118878096 128784604 129798656 158192112 158504128 193176906 194697984 210922816 237756192 257569208 316384224 317008256 386353812 389395968 418549963 421845632 475512384 515138416 632768448 634016512 772707624 837099926 843691264 951024768 1030276832 1255649889 1265536896 1268033024 1545415248 1674199852 1687382528 1902049536 2060553664 2511299778 2531073792 3090830496 3348399704 3804099072 4121107328 5022599556 5062147584 6181660992 6696799408 8242214656 10045199112 12363321984 13393598816 16484429312 20090398224 24726643968 26787197632 40180796448 49453287936 53574395264 80361592896 107148790528 160723185792 214297581056 321446371584 642892743168
• Sum of all divisors σ(n): 1869286358016
• Sum of proper divisors (its aliquot sum) s(n): 1226393614848
• 642892743168 is an abundant number, because the sum of its proper divisors (1226393614848) is greater than itself. Its abundance is 583500871680

Bases of 642892743168

• Binary: 1001010110101111011001001100001000000000₂
• Hexadecimal: 0x95AF64C200
• Base-36: 87C9QNEO

Squares and roots of 642892743168

• 642892743168 squared (642892743168²) is 413311079218076010676224
• 642892743168 cubed (642892743168³) is 265714693500235442994771702036037632
• The square root of 642892743168 is 801805.9261242711
• The cube root of 642892743168 is 8630.7030518667

Scales and comparisons

• 642,892,743,168 seconds is equal to 20,442 years, 5 hours, 32 minutes, 48 seconds.
• To count from 1 to 642,892,743,168 would take you about forty thousand, eight hundred eighty-four 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 642892743168 cubic inches would be around 719.2 feet tall.

Recreational maths with 642892743168

• 642892743168 backwards is 861347298246
• The number of decimal digits it has is: 12
• The sum of 642892743168's digits is 60
• More coming soon!