71945100920

Names of 71945100920

• Cardinal: 71945100920 can be written as Seventy-one billion, nine hundred forty-five million, one hundred thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.194510092 × 10¹⁰

Factors of 71945100920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17514

Divisors of 71945100920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 17 20 22 28 34 35 40 44 55 56 68 70 77 79 85 88 110 119 136 140 154 158 170 187 220 238 280 308 316 340 374 385 395 440 476 553 595 616 632 680 748 770 790 869 935 952 1106 1190 1309 1343 1496 1540 1580 1738 1870 2212 2380 2618 2686 2765 3080 3160 3476 3740 4345 4424 4760 5236 5372 5530 6083 6545 6715 6952 7480 8690 9401 10472 10744 11060 12166 13090 13430 14773 17380 17393 18802 22120 24332 26180 26860 29546 30415 34760 34786 37604 47005 48664 52360 53720 59092 60830 69572 73865 75208 86965 94010 103411 118184 121660 121751 139144 147730 173930 188020 191323 206822 243320 243502 295460 295681 347860 376040 382646 413644 487004 517055 590920 591362 608755 695720 765292 827288 956615 974008 1034110 1182724 1217510 1339261 1374047 1478405 1530584 1913230 2068220 2069767 2365448 2435020 2678522 2748094 2956810 3252491 3826460 4136440 4139534 4870040 5357044 5496188 5913620 6504982 6696305 6870235 7652920 8279068 9618329 10348835 10714088 10992376 11827240 13009964 13392610 13740470 15114517 16262455 16558136 19236658 20697670 22767437 23358799 26019928 26785220 27480940 30229034 32524910 38473316 41395340 45534874 46717598 48091645 53570440 54961880 60458068 65049820 75572585 76946632 82790680 91069748 93435196 96183290 105801619 113837185 116793995 120916136 130099640 151145170 163511593 182139496 186870392 192366580 211603238 227674370 233587990 256946789 302290340 327023186 384733160 423206476 455348740 467175980 513893578 529008095 604580680 654046372 817557965 846412952 910697480 934351960 1027787156 1058016190 1284733945 1308092744 1635115930 1798627523 2055574312 2116032380 2569467890 3270231860 3597255046 4232064760 5138935780 6540463720 7194510092 8993137615 10277871560 14389020184 17986275230 35972550460 71945100920
• Sum of all divisors σ(n): 216409190400
• Sum of proper divisors (its aliquot sum) s(n): 144464089480
• 71945100920 is an abundant number, because the sum of its proper divisors (144464089480) is greater than itself. Its abundance is 72518988560

Bases of 71945100920

• Binary: 1000011000000010000110001111001111000₂
• Hexadecimal: 0x10C0431E78
• Base-36: X1U975K

Squares and roots of 71945100920

• 71945100920 squared (71945100920²) is 5176097546388984846400
• 71945100920 cubed (71945100920³) is 372394860346719896350598698688000
• The square root of 71945100920 is 268225.8393965801
• The cube root of 71945100920 is 4159.1100190251

Scales and comparisons

• 71,945,100,920 seconds is equal to 2,287 years, 32 weeks, 5 days, 22 hours, 15 minutes, 20 seconds.
• To count from 1 to 71,945,100,920 would take you about four thousand, five hundred seventy-five 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 71945100920 cubic inches would be around 346.6 feet tall.

Recreational maths with 71945100920

• 71945100920 backwards is 02900154917
• The number of decimal digits it has is: 11
• The sum of 71945100920's digits is 38
• More coming soon!