642940927488

Names of 642940927488

• Cardinal: 642940927488 can be written as Six hundred forty-two billion, nine hundred forty million, nine hundred twenty-seven thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 6.42940927488 × 10¹¹

Factors of 642940927488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 736

Divisors of 642940927488

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 53 54 64 72 74 96 106 108 111 128 144 148 159 192 212 216 222 256 288 296 318 333 384 424 432 444 477 512 576 592 636 641 666 768 848 864 888 954 999 1152 1184 1272 1282 1332 1369 1431 1536 1696 1728 1776 1908 1923 1961 1998 2304 2368 2544 2564 2664 2738 2862 3392 3456 3552 3816 3846 3922 3996 4107 4608 4736 5088 5128 5328 5476 5724 5769 5883 6784 6912 7104 7632 7692 7844 7992 8214 9472 10176 10256 10656 10952 11448 11538 11766 12321 13568 13824 14208 15264 15384 15688 15984 16428 17307 17649 18944 20352 20512 21312 21904 22896 23076 23532 23717 24642 27136 28416 30528 30768 31376 31968 32856 33973 34614 35298 36963 40704 41024 42624 43808 45792 46152 47064 47434 49284 52947 56832 61056 61536 62752 63936 65712 67946 69228 70596 71151 72557 73926 81408 82048 85248 87616 91584 92304 94128 94868 98568 101919 105894 122112 123072 125504 127872 131424 135892 138456 141192 142302 145114 147852 164096 170496 175232 183168 184608 188256 189736 197136 203838 211788 213453 217671 244224 246144 251008 255744 262848 271784 276912 282384 284604 290228 295704 305757 328192 350464 366336 369216 376512 379472 394272 407676 423576 426906 435342 492288 502016 511488 525696 543568 553824 564768 569208 580456 591408 611514 640359 653013 700928 732672 738432 753024 758944 788544 815352 847152 853812 870684 877529 917271 984576 1004032 1051392 1087136 1107648 1129536 1138416 1160912 1182816 1223028 1257001 1280718 1306026 1476864 1506048 1517888 1577088 1630704 1694304 1707624 1741368 1755058 1834542 1959039 2102784 2174272 2215296 2259072 2276832 2321824 2365632 2446056 2514002 2561436 2612052 2632587 2953728 3012096 3035776 3154176 3261408 3388608 3415248 3482736 3510116 3669084 3771003 3918078 4348544 4430592 4518144 4553664 4643648 4731264 4892112 5028004 5122872 5224104 5265174 6071552 6308352 6522816 6777216 6830496 6965472 7020232 7338168 7542006 7836156 7897761 8697088 8861184 9036288 9107328 9287296 9462528 9784224 10056008 10245744 10448208 10530348 11313009 12143104 13045632 13554432 13660992 13930944 14040464 14676336 15084012 15672312 15795522 17394176 18214656 18574592 18925056 19568448 20112016 20491488 20896416 21060696 22626018 23693283 26091264 27108864 27321984 27861888 28080928 29352672 30168024 31344624 31591044 33939027 36429312 37149184 39136896 40224032 40982976 41792832 42121392 45252036 46509037 47386566 52182528 54643968 55723776 56161856 58705344 60336048 62689248 63182088 67878054 78273792 80448064 81965952 83585664 84242784 90504072 93018074 94773132 109287936 111447552 112323712 117410688 120672096 125378496 126364176 135756108 139527111 156547584 160896128 163931904 167171328 168485568 181008144 186036148 189546264 224647424 234821376 241344192 250756992 252728352 271512216 279054222 321792256 327863808 334342656 336971136 362016288 372072296 379092528 418581333 449294848 469642752 482688384 501513984 505456704 543024432 558108444 643584512 673942272 724032576 744144592 758185056 837162666 965376768 1003027968 1010913408 1086048864 1116216888 1255743999 1347884544 1448065152 1488289184 1516370112 1674325332 1930753536 2021826816 2172097728 2232433776 2511487998 2896130304 2976578368 3032740224 3348650664 4043653632 4344195456 4464867552 5022975996 5792260608 5953156736 6065480448 6697301328 8688390912 8929735104 10045951992 11906313472 12130960896 13394602656 17376781824 17859470208 20091903984 23812626944 26789205312 35718940416 40183807968 53578410624 71437880832 80367615936 107156821248 160735231872 214313642496 321470463744 642940927488
• Sum of all divisors σ(n): 1995990685920
• Sum of proper divisors (its aliquot sum) s(n): 1353049758432
• 642940927488 is an abundant number, because the sum of its proper divisors (1353049758432) is greater than itself. Its abundance is 710108830944

Bases of 642940927488

• Binary: 1001010110110010010000111111111000000000₂
• Hexadecimal: 0x95B243FE00
• Base-36: 87D2FEO0

Squares and roots of 642940927488

• 642940927488 squared (642940927488²) is 413373036239129673990144
• 642940927488 cubed (642940927488³) is 265774443318116667953126253130678272
• The square root of 642940927488 is 801835.9729321203
• The cube root of 642940927488 is 8630.9186680135

Scales and comparisons

• 642,940,927,488 seconds is equal to 20,443 years, 27 weeks, 4 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 642,940,927,488 would take you about forty thousand, eight hundred eighty-seven 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 642940927488 cubic inches would be around 719.2 feet tall.

Recreational maths with 642940927488

• 642940927488 backwards is 884729049246
• The number of decimal digits it has is: 12
• The sum of 642940927488's digits is 63
• More coming soon!