3985981440

Names of 3985981440

• Cardinal: 3985981440 can be written as Three billion, nine hundred eighty-five million, nine hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.98598144 × 10⁹

Factors of 3985981440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 348

Divisors of 3985981440

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 224 240 245 256 280 294 320 331 336 384 392 420 448 480 490 512 560 588 640 662 672 735 768 784 840 896 960 980 993 1024 1120 1176 1280 1324 1344 1470 1536 1568 1655 1680 1792 1920 1960 1986 2048 2240 2317 2352 2560 2648 2688 2940 3072 3136 3310 3360 3584 3840 3920 3972 4096 4480 4634 4704 4965 5120 5296 5376 5880 6144 6272 6620 6720 6951 7168 7680 7840 7944 8192 8960 9268 9408 9930 10240 10592 10752 11585 11760 12288 12544 13240 13440 13902 14336 15360 15680 15888 16219 16384 17920 18536 18816 19860 20480 21184 21504 23170 23520 24576 25088 26480 26880 27804 28672 30720 31360 31776 32438 34755 35840 37072 37632 39720 40960 42368 43008 46340 47040 48657 49152 50176 52960 53760 55608 57344 61440 62720 63552 64876 69510 71680 74144 75264 79440 81095 81920 84736 86016 92680 94080 97314 100352 105920 107520 111216 114688 122880 125440 127104 129752 139020 143360 148288 150528 158880 162190 169472 172032 185360 188160 194628 200704 211840 215040 222432 243285 245760 250880 254208 259504 278040 286720 296576 301056 317760 324380 338944 344064 370720 376320 389256 401408 423680 430080 444864 486570 501760 508416 519008 556080 573440 593152 602112 635520 648760 677888 741440 752640 778512 802816 847360 860160 889728 973140 1003520 1016832 1038016 1112160 1186304 1204224 1271040 1297520 1355776 1482880 1505280 1557024 1694720 1720320 1779456 1946280 2007040 2033664 2076032 2224320 2372608 2408448 2542080 2595040 2711552 2965760 3010560 3114048 3389440 3558912 3892560 4014080 4067328 4152064 4448640 4745216 5084160 5190080 5423104 5931520 6021120 6228096 6778880 7117824 7785120 8134656 8304128 8897280 9490432 10168320 10380160 11863040 12042240 12456192 13557760 14235648 15570240 16269312 16608256 17794560 18980864 20336640 20760320 23726080 24912384 27115520 28471296 31140480 33216512 35589120 37961728 40673280 41520640 47452160 49824768 56942592 62280960 66433024 71178240 81346560 83041280 94904320 99649536 113885184 124561920 132866048 142356480 166082560 189808640 199299072 249123840 265732096 284712960 332165120 398598144 498247680 569425920 664330240 797196288 996495360 1328660480 1992990720 3985981440
• Sum of all divisors σ(n): 14881984992
• Sum of proper divisors (its aliquot sum) s(n): 10896003552
• 3985981440 is an abundant number, because the sum of its proper divisors (10896003552) is greater than itself. Its abundance is 6910022112

Bases of 3985981440

• Binary: 11101101100101010100000000000000₂
• Hexadecimal: 0xED954000
• Base-36: 1TX5EYO

Squares and roots of 3985981440

• 3985981440 squared (3985981440²) is 15888048040024473600
• 3985981440 cubed (3985981440³) is 63329464605365928915369984000
• The square root of 3985981440 is 63134.6294833509
• The cube root of 3985981440 is 1585.5444583043

Scales and comparisons

• 3,985,981,440 seconds is equal to 126 years, 38 weeks, 4 days, 1 hour, 4 minutes.
• To count from 1 to 3,985,981,440 would take you about two hundred fifty-three 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 3985981440 cubic inches would be around 132.1 feet tall.

Recreational maths with 3985981440

• 3985981440 backwards is 0441895893
• The number of decimal digits it has is: 10
• The sum of 3985981440's digits is 51
• More coming soon!