71688639168

Names of 71688639168

• Cardinal: 71688639168 can be written as Seventy-one billion, six hundred eighty-eight million, six hundred thirty-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 7.1688639168 × 10¹⁰

Factors of 71688639168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 137

Divisors of 71688639168

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 113 114 144 152 162 171 192 216 226 228 243 288 304 324 339 342 361 432 452 456 486 513 576 608 648 678 684 722 864 904 912 972 1017 1026 1083 1216 1296 1356 1368 1444 1539 1728 1808 1824 1944 2034 2052 2147 2166 2592 2712 2736 2888 3051 3078 3249 3616 3648 3888 4068 4104 4294 4332 4617 5184 5424 5472 5776 6102 6156 6441 6498 7232 7776 8136 8208 8588 8664 9153 9234 9747 10848 10944 11552 12204 12312 12769 12882 12996 15552 16272 16416 17176 17328 18306 18468 19323 19494 21696 23104 24408 24624 25538 25764 25992 27459 29241 32544 32832 34352 34656 36612 36936 38307 38646 38988 40793 48816 49248 51076 51528 51984 54918 57969 58482 65088 68704 69312 73224 73872 76614 77292 77976 81586 87723 97632 98496 102152 103056 103968 109836 114921 115938 116964 122379 137408 146448 147744 153228 154584 155952 163172 173907 175446 195264 204304 206112 207936 219672 229842 231876 233928 242611 244758 292896 295488 306456 309168 311904 326344 344763 347814 350892 367137 408608 412224 439344 459684 463752 467856 485222 489516 521721 585792 612912 618336 623808 652688 689526 695628 701784 727833 734274 817216 878688 919368 927504 935712 970444 979032 1034289 1043442 1101411 1225824 1236672 1305376 1379052 1391256 1403568 1455666 1468548 1757376 1838736 1855008 1871424 1940888 1958064 2068578 2086884 2183499 2202822 2451648 2610752 2758104 2782512 2807136 2911332 2937096 3102867 3304233 3677472 3710016 3881776 3916128 4137156 4173768 4366998 4405644 4609609 5516208 5565024 5614272 5822664 5874192 6205734 6550497 6608466 7354944 7763552 7832256 8274312 8347536 8733996 8811288 9219218 9912699 11032416 11130048 11645328 11748384 12411468 13100994 13216932 13828827 15527104 16548624 16695072 17467992 17622576 18438436 19651491 19825398 22064832 23290656 23496768 24822936 26201988 26433864 27657654 33097248 33390144 34935984 35245152 36876872 39302982 39650796 41486481 46581312 49645872 52403976 52867728 55315308 58954473 66194496 69871968 70490304 73753744 78605964 79301592 82972962 99291744 104807952 105735456 110630616 117908946 124459443 139743936 147507488 157211928 158603184 165945924 198583488 209615904 211470912 221261232 235817892 248918886 295014976 314423856 317206368 331891848 373378329 419231808 442522464 471635784 497837772 628847712 634412736 663783696 746756658 885044928 943271568 995675544 1120134987 1257695424 1327567392 1493513316 1886543136 1991351088 2240269974 2655134784 2987026632 3773086272 3982702176 4480539948 5974053264 7965404352 8961079896 11948106528 17922159792 23896213056 35844319584 71688639168
• Sum of all divisors σ(n): 226906578444
• Sum of proper divisors (its aliquot sum) s(n): 155217939276
• 71688639168 is an abundant number, because the sum of its proper divisors (155217939276) is greater than itself. Its abundance is 83529300108

Bases of 71688639168

• Binary: 1000010110000111110011101001011000000₂
• Hexadecimal: 0x10B0F9D2C0
• Base-36: WXLKC00

Squares and roots of 71688639168

• 71688639168 squared (71688639168²) is 5139260985759703732224
• 71688639168 cubed (71688639168³) is 368426626398307387213989230149632
• The square root of 71688639168 is 267747.3420372273
• The cube root of 71688639168 is 4154.1621603009

Scales and comparisons

• 71,688,639,168 seconds is equal to 2,279 years, 24 weeks, 5 days, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 71,688,639,168 would take you about four thousand, five hundred fifty-eight 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 71688639168 cubic inches would be around 346.2 feet tall.

Recreational maths with 71688639168

• 71688639168 backwards is 86193688617
• The number of decimal digits it has is: 11
• The sum of 71688639168's digits is 63
• More coming soon!