6642981072

Names of 6642981072

• Cardinal: 6642981072 can be written as Six billion, six hundred forty-two million, nine hundred eighty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 6.642981072 × 10⁹

Factors of 6642981072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 158

Divisors of 6642981072

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 23 24 26 27 28 31 36 39 42 46 48 52 54 56 62 63 69 72 78 79 81 84 91 92 93 104 108 112 117 124 126 138 144 156 158 161 162 168 182 184 186 189 207 208 216 217 234 237 248 252 273 276 279 299 312 316 322 324 336 351 364 368 372 378 403 414 432 434 468 474 483 496 504 546 552 553 558 567 598 621 624 632 644 648 651 702 711 713 728 744 756 806 819 828 837 868 897 936 948 966 1008 1027 1053 1092 1104 1106 1116 1134 1196 1209 1242 1264 1288 1296 1302 1404 1422 1426 1449 1456 1488 1512 1612 1638 1656 1659 1674 1736 1794 1817 1863 1872 1896 1932 1953 2054 2093 2106 2133 2139 2184 2212 2232 2268 2392 2418 2449 2457 2484 2511 2576 2604 2691 2808 2821 2844 2852 2898 3024 3081 3224 3276 3312 3318 3348 3472 3588 3627 3634 3726 3792 3864 3906 4108 4186 4212 4266 4278 4347 4368 4424 4464 4536 4784 4836 4898 4914 4968 4977 4991 5022 5208 5382 5451 5616 5642 5688 5704 5796 5859 6162 6279 6399 6417 6448 6552 6636 6696 7176 7189 7254 7268 7347 7371 7452 7728 7812 8073 8216 8372 8424 8463 8532 8556 8694 8848 9072 9243 9269 9672 9796 9828 9936 9954 9982 10044 10416 10764 10881 10902 11284 11376 11408 11592 11718 12324 12558 12719 12798 12834 13041 13104 13272 13392 14352 14378 14508 14536 14694 14742 14904 14931 14973 15624 16146 16353 16432 16744 16848 16926 17064 17112 17143 17388 17577 18486 18538 18837 19251 19344 19592 19656 19908 19964 20088 21528 21567 21762 21804 22041 22568 23184 23436 23621 24219 24648 25116 25389 25438 25596 25668 26082 26544 27729 27807 28756 29016 29072 29388 29484 29808 29862 29946 31248 31837 32292 32643 32706 33488 33852 34128 34224 34286 34776 35154 36972 37076 37674 38157 38502 39184 39312 39816 39928 40176 43056 43134 43524 43608 44082 44793 44919 45136 46872 47242 48438 49059 49296 50232 50778 50876 51192 51336 51429 52164 55458 55614 56327 56511 57512 57753 58032 58776 58968 59724 59892 63674 64584 64701 64883 65286 65412 66123 67704 68572 69552 70308 70863 73944 74152 75348 76167 76314 77004 79632 79856 83187 83421 86268 87048 87216 88164 89586 89838 93744 94484 95511 96876 98118 100464 101556 101752 102384 102672 102858 104328 110916 111228 112654 113022 114471 115024 115506 117552 117936 119448 119784 127348 129168 129402 129766 130572 130824 132246 134757 135408 137144 140616 141726 147177 147888 148304 150696 152334 152628 154008 154287 165347 166374 166842 168981 169533 172536 174096 176328 179172 179676 188968 191022 193752 194103 194649 196236 198369 203112 203504 205716 208656 212589 221832 222456 222859 225308 226044 228501 228942 231012 238896 239568 250263 254696 258804 259532 261144 261648 264492 269514 274288 281232 283452 286533 294354 301392 304668 305256 308016 308574 330694 332748 333684 337962 339066 343413 345072 352656 358344 359352 377936 382044 387504 388206 389298 392472 394289 396738 404271 406224 411432 425178 443664 444912 445718 450616 452088 457002 457884 462024 462861 496041 500526 506943 509392 517608 519064 522288 528984 539028 566904 573066 582309 583947 588708 609336 610512 617148 637767 661388 665496 667368 668577 675924 678132 686826 716688 718704 732251 750789 764088 776412 778596 784944 788578 793476 808542 822864 850356 859599 891436 901232 904176 914004 915768 924048 925722 992082 1001052 1013886 1030239 1035216 1038128 1057968 1078056 1133808 1146132 1164618 1167894 1177416 1182867 1218672 1234296 1275534 1322776 1330992 1334736 1337154 1351848 1356264 1373652 1388583 1464502 1488123 1501578 1520829 1528176 1552824 1557192 1577156 1586952 1617084 1700712 1719198 1751841 1782872 1828008 1831536 1851444 1913301 1984164 2002104 2005731 2027772 2060478 2156112 2196753 2292264 2329236 2335788 2354832 2365734 2468592 2551068 2578797 2645552 2674308 2703696 2712528 2747304 2777166 2929004 2976246 3003156 3041658 3105648 3114384 3154312 3173904 3234168 3401424 3438396 3503682 3548601 3565744 3656016 3702888 3826602 3968328 4004208 4011462 4055544 4120956 4393506 4464369 4562487 4584528 4658472 4671576 4731468 5102136 5125757 5157594 5255523 5348616 5494608 5554332 5858008 5952492 6006312 6017193 6083316 6308624 6468336 6590259 6876792 7007364 7097202 7405776 7653204 7936656 8022924 8111088 8241912 8787012 8928738 9124974 9316944 9343152 9462936 10204272 10251514 10315188 10511046 10645803 10697232 11108664 11716016 11904984 12012624 12034386 12166632 13180518 13393107 13753584 14014728 14194404 15306408 15377271 16045848 16483824 17574024 17857476 18051579 18249948 18925872 19770777 20503028 20630376 21022092 21291606 22217328 23809968 24068772 24333264 26361036 26786214 28029456 28388808 30612816 30754542 31937409 32091696 35148048 35714952 36103158 36499896 39541554 41006056 41260752 42044184 42583212 46131813 48137544 52722072 53572428 56777616 59312331 61509084 63874818 71429904 72206316 72999792 79083108 82012112 84088368 85166424 92263626 96275088 105444144 107144856 118624662 123018168 127749636 138395439 144412632 158166216 170332848 184527252 214289712 237249324 246036336 255499272 276790878 288825264 316332432 369054504 415186317 474498648 510998544 553581756 738109008 830372634 948997296 1107163512 1660745268 2214327024 3321490536 6642981072
• Sum of all divisors σ(n): 25811681280
• Sum of proper divisors (its aliquot sum) s(n): 19168700208
• 6642981072 is an abundant number, because the sum of its proper divisors (19168700208) is greater than itself. Its abundance is 12525719136

Bases of 6642981072

• Binary: 110001011111100111101100011010000₂
• Hexadecimal: 0x18BF3D8D0
• Base-36: 31V2500

Squares and roots of 6642981072

• 6642981072 squared (6642981072²) is 44129197522950269184
• 6642981072 cubed (6642981072³) is 293149423867507923786616885248
• The square root of 6642981072 is 81504.4849808893
• The cube root of 6642981072 is 1879.8405131041

Scales and comparisons

• 6,642,981,072 seconds is equal to 211 years, 11 weeks, 5 days, 8 hours, 31 minutes, 12 seconds.
• To count from 1 to 6,642,981,072 would take you about four hundred 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 6642981072 cubic inches would be around 156.7 feet tall.

Recreational maths with 6642981072

• 6642981072 backwards is 2701892466
• The number of decimal digits it has is: 10
• The sum of 6642981072's digits is 45
• More coming soon!