64165427872

Names of 64165427872

• Cardinal: 64165427872 can be written as Sixty-four billion, one hundred sixty-five million, four hundred twenty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 6.4165427872 × 10¹⁰

Factors of 64165427872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 233

Divisors of 64165427872

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 49 52 56 62 73 91 98 104 107 112 124 146 169 182 196 208 214 217 224 248 292 338 364 392 403 416 428 434 496 511 584 637 676 728 749 784 806 856 868 949 992 1022 1168 1183 1274 1352 1391 1456 1498 1519 1568 1612 1712 1736 1898 2044 2263 2336 2366 2548 2704 2782 2821 2912 2996 3038 3224 3317 3424 3472 3577 3796 4088 4526 4732 5096 5239 5243 5408 5564 5642 5992 6076 6448 6634 6643 6944 7154 7592 7811 8176 8281 9052 9464 9737 10192 10478 10486 11128 11284 11984 12152 12337 12896 13268 13286 14308 15184 15622 15841 16352 16562 18083 18104 18928 19474 19747 20384 20956 20972 22256 22568 23219 23968 24304 24674 26536 26572 28616 29419 30368 31244 31682 33124 36166 36208 36673 37856 38948 39494 41912 41944 43121 44512 45136 46438 46501 48608 49348 53072 53144 54677 57232 58838 62488 63364 66248 68159 72332 72416 73346 77896 78988 83824 83888 86242 86359 90272 92876 93002 98696 101543 106144 106288 109354 110887 114464 117676 124976 126581 126728 132496 136318 144664 146692 155792 157976 162533 167648 167776 172484 172718 185752 186004 197392 203086 205933 212576 218708 221774 235352 242141 249952 253162 253456 256711 264992 272636 289328 293384 301847 311584 315952 325066 344968 345436 371504 372008 382447 382739 394784 406172 411866 437416 443548 470704 484282 506324 506912 513422 545272 560573 578656 586768 603694 604513 631904 650132 689936 690872 710801 743008 744016 764894 765478 812344 823732 874832 886067 887096 941408 968564 1012648 1026844 1090544 1121146 1173536 1207388 1209026 1300264 1320059 1379872 1381744 1421602 1441531 1488032 1529788 1530956 1624688 1647464 1694987 1749664 1772134 1774192 1937128 2025296 2053688 2112929 2181088 2242292 2414776 2418052 2600528 2640118 2677129 2763488 2843204 2883062 3059576 3061912 3147833 3249376 3294928 3389974 3544268 3548384 3874256 3924011 4050592 4107376 4225858 4484584 4829552 4836104 4975607 5201056 5280236 5354258 5686408 5766124 6119152 6123824 6295666 6589856 6779948 7088536 7748512 7848022 8214752 8451716 8969168 9240413 9659104 9672208 9951214 10560472 10708516 11372816 11532248 11864909 12238304 12247648 12591332 13559896 14177072 15696044 16903432 17938336 18480826 18739903 19344416 19902428 21120944 21417032 22034831 22745632 23064496 23729818 25182664 27119792 27468077 28354144 31392088 33806864 36961652 37479806 39804856 40921829 42241888 42834064 44069662 46128992 47459636 50365328 54239584 54936154 62784176 64682891 67613728 73923304 74959612 79609712 81843658 85668128 88139324 94919272 100730656 109872308 125568352 129365782 147846608 149919224 154243817 159219424 163687316 176278648 189838544 219744616 258731564 286452803 295693216 299838448 308487634 327374632 352557296 379677088 439489232 517463128 572905606 599676896 616975268 654749264 705114592 878978464 1034926256 1145811212 1233950536 1309498528 2005169621 2069852512 2291622424 2467901072 4010339242 4583244848 4935802144 8020678484 9166489696 16041356968 32082713936 64165427872
• Sum of all divisors σ(n): 168062936832
• Sum of proper divisors (its aliquot sum) s(n): 103897508960
• 64165427872 is an abundant number, because the sum of its proper divisors (103897508960) is greater than itself. Its abundance is 39732081088

Bases of 64165427872

• Binary: 111011110000100011101011101010100000₂
• Hexadecimal: 0xEF08EBAA0
• Base-36: TH6FT0G

Squares and roots of 64165427872

• 64165427872 squared (64165427872²) is 4117202133996834448384
• 64165427872 cubed (64165427872³) is 264182036563418359874108458958848
• The square root of 64165427872 is 253308.9573465573
• The cube root of 64165427872 is 4003.4434488145

Scales and comparisons

• 64,165,427,872 seconds is equal to 2,040 years, 13 weeks, 4 days, 9 hours, 57 minutes, 52 seconds.
• To count from 1 to 64,165,427,872 would take you about four thousand and eighty 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 64165427872 cubic inches would be around 333.6 feet tall.

Recreational maths with 64165427872

• 64165427872 backwards is 27872456146
• 64165427872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64165427872's digits is 52
• More coming soon!