642690695748

Names of 642690695748

• Cardinal: 642690695748 can be written as Six hundred forty-two billion, six hundred ninety million, six hundred ninety-five thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 6.42690695748 × 10¹¹

Factors of 642690695748

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 673

Divisors of 642690695748

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 12 17 19 34 37 38 51 57 67 68 74 76 102 111 114 134 148 201 204 211 222 228 268 317 323 402 422 444 629 633 634 646 703 804 844 951 969 1139 1258 1266 1268 1273 1292 1406 1887 1902 1938 2109 2278 2479 2516 2532 2546 2812 3417 3587 3774 3804 3819 3876 4009 4218 4556 4958 5092 5389 6023 6834 7174 7437 7548 7638 7807 8018 8436 9916 10761 10778 11729 11951 12027 12046 13668 14137 14348 14874 15276 15614 16036 16167 18069 21239 21522 21556 21641 23421 23458 23902 24054 24092 28274 29748 31228 32334 35187 35853 36138 42143 42411 42478 43044 43282 46842 46916 47101 47804 48108 56548 63717 64668 64923 66887 68153 70374 71706 72276 84286 84822 84956 86564 93684 94202 102391 126429 127434 129846 132719 133774 136306 140748 141303 143412 148333 168572 169644 188404 199393 200661 204459 204782 222851 240329 252858 254868 259692 265438 267548 268603 272612 282606 296666 307173 361063 398157 398786 401322 403541 408918 409564 444999 445702 480658 505716 523069 530876 537206 565212 593332 598179 614346 668553 720987 722126 785843 796314 797572 800717 802644 805809 807082 817836 889998 891404 961316 1046138 1074412 1083189 1137079 1196358 1210623 1228692 1270853 1337106 1441974 1444252 1569207 1571686 1592628 1601434 1611618 1614164 1779996 2092276 2166378 2274158 2357529 2392716 2402151 2421246 2474819 2521661 2541706 2674212 2883948 3138414 3143372 3202868 3223236 3411237 3788467 3812559 4332756 4481429 4548316 4566251 4715058 4804302 4842492 4949638 5043322 5083412 6276828 6822474 6860197 7424457 7564983 7576934 7625118 8892173 8962858 9132502 9430116 9608604 9899276 9938311 10086644 11365401 13359331 13444287 13644948 13698753 13720394 14848914 14931017 15129966 15153868 15250236 17784346 17925716 18265004 19876622 20580591 21604501 22730802 26676519 26718662 26888574 27397506 27440788 29697828 29814933 29862034 30259932 35568692 39753244 40077993 41161182 42071923 43209002 44793051 45461604 47021561 53353038 53437324 53777148 54795012 59629866 59724068 64813503 76184293 80155986 82322364 84143846 85147151 86418004 89586102 94043122 106706076 119259732 126215769 129627006 141064683 152368586 160311972 165812873 168287692 168951287 170294302 179172204 188086244 228552879 252431538 253827289 255441453 259254012 282129366 304737172 331625746 337902574 340588604 457105758 497438619 504863076 506853861 507654578 510882906 564258732 663251492 675805148 761481867 799366537 914211516 994877238 1013707722 1015309156 1021765812 1447501567 1522963734 1598733074 1989754476 2027415444 2398099611 2818818841 2895003134 3045927468 3150444587 3197466148 4342504701 4796199222 5637637682 5790006268 6300889174 8456456523 8685009402 9451333761 9592398444 11275275364 12601778348 16912913046 17370018804 18902667522 33825826092 37805335044 53557557979 107115115958 160672673937 214230231916 321345347874 642690695748
• Sum of all divisors σ(n): 1755965675520
• Sum of proper divisors (its aliquot sum) s(n): 1113274979772
• 642690695748 is an abundant number, because the sum of its proper divisors (1113274979772) is greater than itself. Its abundance is 470584284024

Bases of 642690695748

• Binary: 1001010110100011010110011100001001000100₂
• Hexadecimal: 0x95A359C244
• Base-36: 878XG2MC

Squares and roots of 642690695748

• 642690695748 squared (642690695748²) is 413051330401048305279504
• 642690695748 cubed (642690695748³) is 265464246915086759188640727364348992
• The square root of 642690695748 is 801679.9210083785
• The cube root of 642690695748 is 8629.7988087583

Scales and comparisons

• 642,690,695,748 seconds is equal to 20,435 years, 29 weeks, 6 days, 17 hours, 15 minutes, 48 seconds.
• To count from 1 to 642,690,695,748 would take you about forty thousand, eight hundred seventy-one 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 642690695748 cubic inches would be around 719.1 feet tall.

Recreational maths with 642690695748

• 642690695748 backwards is 847596096246
• The number of decimal digits it has is: 12
• The sum of 642690695748's digits is 66
• More coming soon!