31749139968

Names of 31749139968

• Cardinal: 31749139968 can be written as Thirty-one billion, seven hundred forty-nine million, one hundred thirty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1749139968 × 10¹⁰

Factors of 31749139968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 939

Divisors of 31749139968

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 37 39 42 48 49 52 56 64 74 78 84 91 96 98 104 111 112 128 147 148 156 168 182 192 196 208 222 224 256 259 273 294 296 312 336 364 384 392 416 444 448 481 512 518 546 588 592 624 637 672 728 768 777 784 832 877 888 896 962 1036 1092 1176 1184 1248 1274 1344 1443 1456 1536 1554 1568 1664 1754 1776 1792 1813 1911 1924 2072 2184 2352 2368 2496 2548 2631 2688 2886 2912 3108 3136 3328 3367 3508 3552 3584 3626 3822 3848 4144 4368 4704 4736 4992 5096 5262 5376 5439 5772 5824 6139 6216 6272 6656 6734 7016 7104 7252 7644 7696 8288 8736 9408 9472 9984 10101 10192 10524 10752 10878 11401 11544 11648 12278 12432 12544 13468 14032 14208 14504 15288 15392 16576 17472 18417 18816 18944 19968 20202 20384 21048 21756 22802 23088 23296 23569 24556 24864 25088 26936 28064 28416 29008 30576 30784 32449 33152 34203 34944 36834 37632 40404 40768 42096 42973 43512 45604 46176 46592 47138 49112 49728 53872 56128 56832 58016 61152 61568 64898 66304 68406 69888 70707 73668 75264 79807 80808 81536 84192 85946 87024 91208 92352 94276 97347 98224 99456 107744 112256 116032 122304 123136 128919 129796 132608 136812 139776 141414 147336 159614 161616 163072 168384 171892 174048 182416 184704 188552 194694 196448 198912 215488 224512 227143 232064 239421 244608 246272 257838 259592 273624 282828 294672 319228 323232 326144 336768 343784 348096 364832 369408 377104 389388 392896 397824 421837 430976 449024 454286 464128 478842 489216 515676 519184 547248 558649 565656 589344 638456 646464 673536 681429 687568 696192 729664 738816 754208 778776 785792 843674 861952 908572 928256 957684 978432 1031352 1038368 1094496 1117298 1131312 1178688 1265511 1276912 1292928 1347072 1362858 1375136 1392384 1459328 1508416 1557552 1571584 1590001 1675947 1687348 1723904 1817144 1915368 2062704 2076736 2188992 2234596 2262624 2357376 2531022 2553824 2585856 2725716 2750272 2784768 2918656 2952859 3016832 3115104 3143168 3180002 3351894 3374696 3634288 3830736 4125408 4153472 4377984 4469192 4525248 4714752 4770003 5062044 5107648 5171712 5451432 5500544 5837312 5905718 6033664 6230208 6360004 6703788 6749392 7268576 7661472 8250816 8306944 8755968 8858577 8938384 9050496 9429504 9540006 10124088 10215296 10902864 11001088 11811436 12067328 12460416 12720008 13407576 13498784 14537152 15322944 16501632 16613888 17511936 17717154 17876768 18100992 19080012 20248176 20430592 20670013 21805728 22002176 23622872 24920832 25440016 26815152 26997568 29074304 30645888 33003264 35434308 35753536 36201984 38160024 40496352 40861184 41340026 43611456 47245744 49841664 50880032 53630304 53995136 58148608 61291776 62010039 66006528 70868616 71507072 76320048 80992704 82680052 87222912 94491488 101760064 107260608 107990272 116297216 122583552 124020078 141737232 143014144 152640096 161985408 165360104 174445824 188982976 203520128 214521216 215980544 248040156 283474464 286028288 305280192 323970816 330720208 348891648 377965952 407040256 429042432 496080312 566948928 610560384 647941632 661440416 755931904 814080512 858084864 992160624 1133897856 1221120768 1322880832 1511863808 1984321248 2267795712 2442241536 2645761664 3968642496 4535591424 5291523328 7937284992 10583046656 15874569984 31749139968
• Sum of all divisors σ(n): 108947339424
• Sum of proper divisors (its aliquot sum) s(n): 77198199456
• 31749139968 is an abundant number, because the sum of its proper divisors (77198199456) is greater than itself. Its abundance is 45449059488

Bases of 31749139968

• Binary: 11101100100011001010110111000000000₂
• Hexadecimal: 0x764656E00
• Base-36: EL2M96O

Squares and roots of 31749139968

• 31749139968 squared (31749139968²) is 1008007888707655041024
• 31749139968 cubed (31749139968³) is 32003383547427506530531758047232
• The square root of 31749139968 is 178182.8834877245
• The cube root of 31749139968 is 3166.4841743229

Scales and comparisons

• 31,749,139,968 seconds is equal to 1,009 years, 27 weeks, 1 day, 21 hours, 32 minutes, 48 seconds.
• To count from 1 to 31,749,139,968 would take you about two thousand and nineteen 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 31749139968 cubic inches would be around 263.9 feet tall.

Recreational maths with 31749139968

• 31749139968 backwards is 86993194713
• The number of decimal digits it has is: 11
• The sum of 31749139968's digits is 60
• More coming soon!