3997040640

Names of 3997040640

• Cardinal: 3997040640 can be written as Three billion, nine hundred ninety-seven million, forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.99704064 × 10⁹

Factors of 3997040640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 136

Divisors of 3997040640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 107 114 120 128 152 160 190 192 214 228 240 256 285 304 320 321 380 384 428 456 480 512 535 570 608 640 642 760 768 856 912 960 1024 1070 1140 1216 1280 1284 1520 1536 1605 1712 1824 1920 2033 2048 2140 2280 2432 2560 2568 3040 3072 3210 3424 3648 3840 4066 4096 4280 4560 4864 5120 5136 6080 6099 6144 6420 6848 7296 7680 8132 8192 8560 9120 9728 10165 10240 10272 12160 12198 12288 12840 13696 14592 15360 16264 16384 17120 18240 19456 20330 20480 20544 24320 24396 24576 25680 27392 29184 30495 30720 32528 32768 34240 36480 38912 40660 40960 41088 48640 48792 49152 51360 54784 58368 60990 61440 65056 65536 68480 72960 77824 81320 81920 82176 97280 97584 98304 102720 109568 116736 121980 122880 130112 131072 136960 145920 155648 162640 163840 164352 194560 195168 196608 205440 219136 233472 243960 245760 260224 273920 291840 311296 325280 327680 328704 389120 390336 393216 410880 438272 466944 487920 491520 520448 547840 583680 622592 650560 655360 657408 778240 780672 821760 876544 933888 975840 983040 1040896 1095680 1167360 1245184 1301120 1314816 1556480 1561344 1643520 1753088 1867776 1951680 1966080 2081792 2191360 2334720 2490368 2602240 2629632 3112960 3122688 3287040 3506176 3735552 3903360 4163584 4382720 4669440 5204480 5259264 6225920 6245376 6574080 7012352 7471104 7806720 8327168 8765440 9338880 10408960 10518528 12451840 12490752 13148160 14024704 15613440 16654336 17530880 18677760 20817920 21037056 24981504 26296320 31226880 33308672 35061760 37355520 41635840 42074112 49963008 52592640 62453760 66617344 70123520 83271680 99926016 105185280 124907520 133234688 166543360 199852032 210370560 249815040 266469376 333086720 399704064 499630080 666173440 799408128 999260160 1332346880 1998520320 3997040640
• Sum of all divisors σ(n): 13589493120
• Sum of proper divisors (its aliquot sum) s(n): 9592452480
• 3997040640 is an abundant number, because the sum of its proper divisors (9592452480) is greater than itself. Its abundance is 5595411840

Bases of 3997040640

• Binary: 11101110001111100000000000000000₂
• Hexadecimal: 0xEE3E0000
• Base-36: 1U3QGAO

Squares and roots of 3997040640

• 3997040640 squared (3997040640²) is 15976333877811609600
• 3997040640 cubed (3997040640³) is 63858055787821797835014144000
• The square root of 3997040640 is 63222.1530794389
• The cube root of 3997040640 is 1587.0094811209

Scales and comparisons

• 3,997,040,640 seconds is equal to 127 years, 4 weeks, 6 days, 1 hour, 4 minutes.
• To count from 1 to 3,997,040,640 would take you about two hundred fifty-four 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 3997040640 cubic inches would be around 132.3 feet tall.

Recreational maths with 3997040640

• 3997040640 backwards is 0460407993
• The number of decimal digits it has is: 10
• The sum of 3997040640's digits is 42
• More coming soon!