31399581312

Names of 31399581312

• Cardinal: 31399581312 can be written as Thirty-one billion, three hundred ninety-nine million, five hundred eighty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 3.1399581312 × 10¹⁰

Factors of 31399581312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 119

Divisors of 31399581312

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 103 108 121 128 132 144 162 176 192 198 206 216 242 243 264 288 297 309 324 352 363 384 396 412 432 484 486 528 576 594 618 648 704 726 729 792 824 864 891 927 968 972 1056 1089 1133 1152 1188 1236 1296 1408 1452 1458 1584 1648 1728 1782 1854 1936 1944 2112 2178 2187 2266 2376 2472 2592 2673 2781 2904 2916 3168 3267 3296 3399 3456 3564 3708 3872 3888 4224 4356 4374 4532 4752 4944 5184 5346 5562 5808 5832 6336 6534 6561 6592 6798 7128 7416 7744 7776 8019 8343 8712 8748 9064 9504 9801 9888 10197 10368 10692 11124 11616 11664 12463 12672 13068 13122 13184 13596 14256 14832 15488 15552 16038 16686 17424 17496 18128 19008 19602 19683 19776 20394 21384 22248 23232 23328 24057 24926 25029 26136 26244 27192 28512 29403 29664 30591 31104 32076 33372 34848 34992 36256 37389 38016 39204 39366 39552 40788 42768 44496 46464 46656 48114 49852 50058 52272 52488 54384 57024 58806 59328 61182 64152 66744 69696 69984 72171 72512 74778 75087 78408 78732 81576 85536 88209 88992 91773 93312 96228 99704 100116 104544 104976 108768 112167 114048 117612 118656 122364 128304 133488 139392 139968 144342 145024 149556 150174 156816 157464 163152 171072 176418 177984 183546 192456 199408 200232 209088 209952 216513 217536 224334 225261 235224 244728 256608 264627 266976 275319 279936 288684 299112 300348 313632 314928 326304 336501 342144 352836 355968 367092 384912 398816 400464 418176 419904 433026 435072 448668 450522 470448 489456 513216 529254 533952 550638 577368 598224 600696 627264 629856 652608 673002 675783 705672 734184 769824 793881 797632 800928 825957 839808 866052 897336 901044 940896 978912 1009503 1026432 1058508 1067904 1101276 1154736 1196448 1201392 1254528 1259712 1305216 1346004 1351566 1411344 1468368 1539648 1587762 1595264 1601856 1651914 1732104 1794672 1802088 1881792 1957824 2019006 2027349 2117016 2202552 2309472 2381643 2392896 2402784 2477871 2519424 2692008 2703132 2822688 2936736 3028509 3079296 3175524 3203712 3303828 3464208 3589344 3604176 3763584 3915648 4038012 4054698 4234032 4405104 4618944 4763286 4785792 4805568 4955742 5384016 5406264 5645376 5873472 6057018 6351048 6607656 6928416 7178688 7208352 7433613 8076024 8109396 8468064 8810208 9085527 9237888 9526572 9611136 9911484 10768032 10812528 11290752 11746944 12114036 12702096 13215312 13856832 14357376 14416704 14867226 16152048 16218792 16936128 17620416 18171054 19053144 19822968 21536064 21625056 22300839 24228072 25404192 26430624 27256581 27713664 28833408 29734452 32304096 32437584 33872256 35240832 36342108 38106288 39645936 43072128 43250112 44601678 48456144 50808384 52861248 54513162 59468904 64608192 64875168 72684216 76212576 79291872 81769743 86500224 89203356 96912288 101616768 105722496 109026324 118937808 129216384 129750336 145368432 152425152 158583744 163539486 178406712 193824576 218052648 237875616 245309229 259500672 290736864 304850304 317167488 327078972 356813424 387649152 436105296 475751232 490618458 581473728 654157944 713626848 872210592 951502464 981236916 1162947456 1308315888 1427253696 1744421184 1962473832 2616631776 2854507392 3488842368 3924947664 5233263552 7849895328 10466527104 15699790656 31399581312
• Sum of all divisors σ(n): 104135871840
• Sum of proper divisors (its aliquot sum) s(n): 72736290528
• 31399581312 is an abundant number, because the sum of its proper divisors (72736290528) is greater than itself. Its abundance is 41336709216

Bases of 31399581312

• Binary: 11101001111100011111001011010000000₂
• Hexadecimal: 0x74F8F9680
• Base-36: EFAI000

Squares and roots of 31399581312

• 31399581312 squared (31399581312²) is 985933706568899641344
• 31399581312 cubed (31399581312³) is 30957905587651712818748564963328
• The square root of 31399581312 is 177199.2700662165
• The cube root of 31399581312 is 3154.8202446137

Scales and comparisons

• 31,399,581,312 seconds is equal to 998 years, 21 weeks, 2 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 31,399,581,312 would take you about one thousand, nine hundred ninety-six 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 31399581312 cubic inches would be around 262.9 feet tall.

Recreational maths with 31399581312

• 31399581312 backwards is 21318599313
• The number of decimal digits it has is: 11
• The sum of 31399581312's digits is 45
• More coming soon!