7728972460720128

Names of 7728972460720128

• Cardinal: 7728972460720128 can be written as Seven quadrillion, seven hundred twenty-eight trillion, nine hundred seventy-two billion, four hundred sixty million, seven hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.728972460720128 × 10¹⁵

Factors of 7728972460720128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 5064

Divisors of 7728972460720128

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4096 4608 5059 6144 8192 9216 10118 12288 15177 16384 18432 20236 24576 30354 32768 36864 40472 45531 49152 60708 65536 73728 80944 91062 98304 121416 131072 147456 161888 182124 196608 242832 262144 294912 323776 364248 393216 485664 524288 589824 647552 728496 786432 971328 1048576 1179648 1295104 1456992 1572864 1942656 2097152 2359296 2590208 2913984 3145728 3885312 4194304 4718592 5180416 5827968 6291456 7770624 8388608 9437184 10360832 11655936 12582912 15541248 16777216 18874368 20721664 23311872 25165824 25593481 31082496 33554432 37748736 41443328 46623744 50331648 51186962 62164992 75497472 76780443 82886656 93247488 100663296 102373924 124329984 150994944 153560886 165773312 186494976 204747848 230341329 248659968 301989888 307121772 331546624 372989952 409495696 460682658 497319936 614243544 663093248 745979904 818991392 921365316 994639872 1228487088 1326186496 1491959808 1637982784 1842730632 1989279744 2456974176 2652372992 2983919616 3275965568 3685461264 3978559488 4913948352 5304745984 5967839232 6551931136 7370922528 7957118976 9827896704 10609491968 11935678464 13103862272 14741845056 15914237952 19655793408 21218983936 23871356928 26207724544 29483690112 31828475904 39311586816 42437967872 47742713856 52415449088 58967380224 63656951808 78623173632 84875935744 95485427712 104830898176 117934760448 127313903616 157246347264 169751871488 190970855424 209661796352 235869520896 254627807232 314492694528 381941710848 419323592704 471739041792 509255614464 628985389056 763883421696 838647185408 943478083584 1257970778112 1527766843392 1677294370816 1886956167168 2515941556224 3354588741632 3773912334336 5031883112448 6709177483264 7547824668672 10063766224896 13418354966528 15095649337344 20127532449792 26836709933056 30191298674688 40255064899584 53673419866112 60382597349376 80510129799168 107346839732224 120765194698752 161020259598336 214693679464448 241530389397504 322040519196672 429387358928896 483060778795008 644081038393344 858774717857792 966121557590016 1288162076786688 1932243115180032 2576324153573376 3864486230360064 7728972460720128
• Sum of all divisors σ(n): 22332556752595479
• Sum of proper divisors (its aliquot sum) s(n): 14603584291875351
• 7728972460720128 is an abundant number, because the sum of its proper divisors (14603584291875351) is greater than itself. Its abundance is 6874611831155223

Bases of 7728972460720128

• Binary: 11011011101010111010110100010000000000000000000000000₂
• Hexadecimal: 0x1B7575A2000000
• Base-36: 243OWXIYGW0

Squares and roots of 7728972460720128

• 7728972460720128 squared (7728972460720128²) is 59737015298570150559868344336384
• 7728972460720128 cubed (7728972460720128³) is 461705746128265668408204739984085783054911537152
• The square root of 7728972460720128 is 87914574.7912149547
• The cube root of 7728972460720128 is 197715.4404748905

Scales and comparisons

• 7,728,972,460,720,128 seconds is equal to 245,757,416 years, 50 weeks, 2 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 7,728,972,460,720,128 would take you about seven hundred thirty-seven million, two hundred seventy-two thousand, two hundred fifty 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 7728972460720128 cubic inches would be around 16476.3 feet tall.

Recreational maths with 7728972460720128

• 7728972460720128 backwards is 8210270642798277
• 7728972460720128 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 7728972460720128's digits is 72
• More coming soon!