642445737984

Names of 642445737984

• Cardinal: 642445737984 can be written as Six hundred forty-two billion, four hundred forty-five million, seven hundred thirty-seven thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 6.42445737984 × 10¹¹

Factors of 642445737984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 28
• Sum of prime factors: 97

Divisors of 642445737984

• Number of divisors d(n): 460
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 61 62 64 72 81 93 96 108 122 124 128 144 162 183 186 192 216 244 248 256 279 288 324 366 372 384 432 488 496 512 549 558 576 648 732 744 768 837 864 976 992 1024 1098 1116 1152 1296 1464 1488 1536 1647 1674 1728 1891 1952 1984 2048 2196 2232 2304 2511 2592 2928 2976 3072 3294 3348 3456 3782 3904 3968 4096 4392 4464 4608 4941 5022 5184 5673 5856 5952 6144 6588 6696 6912 7564 7808 7936 8192 8784 8928 9216 9882 10044 10368 11346 11712 11904 12288 13176 13392 13824 15128 15616 15872 16384 17019 17568 17856 18432 19764 20088 20736 22692 23424 23808 24576 26352 26784 27648 30256 31232 31744 32768 34038 35136 35712 36864 39528 40176 41472 45384 46848 47616 49152 51057 52704 53568 55296 60512 62464 63488 65536 68076 70272 71424 73728 79056 80352 82944 90768 93696 95232 98304 102114 105408 107136 110592 121024 124928 126976 131072 136152 140544 142848 147456 153171 158112 160704 165888 181536 187392 190464 196608 204228 210816 214272 221184 242048 249856 253952 262144 272304 281088 285696 294912 306342 316224 321408 331776 363072 374784 380928 393216 408456 421632 428544 442368 484096 499712 507904 524288 544608 562176 571392 589824 612684 632448 642816 663552 726144 749568 761856 786432 816912 843264 857088 884736 968192 999424 1015808 1048576 1089216 1124352 1142784 1179648 1225368 1264896 1285632 1327104 1452288 1499136 1523712 1572864 1633824 1686528 1714176 1769472 1936384 1998848 2031616 2097152 2178432 2248704 2285568 2359296 2450736 2529792 2571264 2654208 2904576 2998272 3047424 3145728 3267648 3373056 3428352 3538944 3872768 3997696 4063232 4194304 4356864 4497408 4571136 4718592 4901472 5059584 5142528 5308416 5809152 5996544 6094848 6291456 6535296 6746112 6856704 7077888 7745536 7995392 8126464 8713728 8994816 9142272 9437184 9802944 10119168 10285056 10616832 11618304 11993088 12189696 12582912 13070592 13492224 13713408 14155776 15491072 15990784 16252928 17427456 17989632 18284544 18874368 19605888 20238336 20570112 21233664 23236608 23986176 24379392 26141184 26984448 27426816 28311552 30982144 31981568 32505856 34854912 35979264 36569088 37748736 39211776 40476672 41140224 42467328 46473216 47972352 48758784 52282368 53968896 54853632 56623104 61964288 63963136 65011712 69709824 71958528 73138176 78423552 80953344 82280448 84934656 92946432 95944704 97517568 104564736 107937792 109707264 113246208 123928576 127926272 130023424 139419648 143917056 146276352 156847104 161906688 164560896 169869312 185892864 191889408 195035136 209129472 215875584 219414528 247857152 255852544 278839296 287834112 292552704 313694208 323813376 329121792 339738624 371785728 383778816 390070272 418258944 431751168 438829056 495714304 557678592 575668224 585105408 627388416 647626752 658243584 743571456 767557632 836517888 863502336 877658112 991428608 1115357184 1151336448 1170210816 1254776832 1295253504 1316487168 1487142912 1673035776 1727004672 1755316224 1982857216 2230714368 2302672896 2509553664 2590507008 2632974336 2974285824 3346071552 3454009344 3510632448 3965714432 4461428736 5019107328 5181014016 5265948672 5948571648 6692143104 6908018688 7931428864 8922857472 10038214656 10362028032 10531897344 11897143296 13384286208 17845714944 20076429312 20724056064 23794286592 26768572416 35691429888 40152858624 53537144832 71382859776 80305717248 107074289664 160611434496 214148579328 321222868992 642445737984
• Sum of all divisors σ(n): 2013802550848
• Sum of proper divisors (its aliquot sum) s(n): 1371356812864
• 642445737984 is an abundant number, because the sum of its proper divisors (1371356812864) is greater than itself. Its abundance is 728911074880

Bases of 642445737984

• Binary: 1001010110010100110000000000000000000000₂
• Hexadecimal: 0x9594C00000
• Base-36: 874VLS00

Squares and roots of 642445737984

• 642445737984 squared (642445737984²) is 412736526253806380384256
• 642445737984 cubed (642445737984³) is 265160822202079230935011167414779904
• The square root of 642445737984 is 801527.1286637777
• The cube root of 642445737984 is 8628.7022704793

Scales and comparisons

• 642,445,737,984 seconds is equal to 20,427 years, 40 weeks, 6 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 642,445,737,984 would take you about forty thousand, eight hundred fifty-five 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 642445737984 cubic inches would be around 719.1 feet tall.

Recreational maths with 642445737984

• 642445737984 backwards is 489737544246
• The number of decimal digits it has is: 12
• The sum of 642445737984's digits is 63
• More coming soon!